Preboard_4 - Practical Problem

7/29/2019 Preboard_4 - Practical Problem

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ACTICAL PROBLEM

A variation of pipe wrench with a swiveling

serrated jaw and knurled control knob located

between the frame forming the head and the

handled of the wrench?

a. Pipe Wrenchb. Stillson wrenchc. Rap Wrenchd. End Pipe WrenchA unique type of pipe wrench in which turning

force applied is multiplied. The principle of lever

action in a simple machine had been applied in

this type of patented plumbing tools

a.

End Pipe Wrenchb. Pipe wrenchc. Compound leverage Wrenchd. Stillson WrenchIt is individual or company responsible for the

performance of the construction work

a. Superintendentb. Contractorc. Apprenticed. JourneymenCISP stand for

a. Cast Iron and Steel Instituteb. I dont Knowc. None of the Choicesd. Cast Iron Soil Pipe InstituteIt is a scaled view that shows the shape and size

of the exterior walls and the roof of the buildinga. Section Drawingb. Detail Drawingc. Plot Pland. Exterior Elevation DrawingWhat is the minimum size of water supply inlet

for shower stall

a. b. c. 1d. The effective thread length of a 3 diameter

screwed steel pipe is

a. 1 3/8b. 1 c. 1 d. 1 5/8The recommended hot water supply to a hotel

lavatory (private)

a. 4b. 2c. 6d. 5A type of wrench having a heavy sprocket chain

that is slipped around a pipe and then attached to

the wrench handled. It is used on piping work

especially large size pipe metal pipes and in areas

that is not easily accessible.

a. Chain wrenchb. Compound Leverage wrenchc. Offset pipe Wrenchd. Adjustable Spud Wrench A wrench with hexagonal jaw which is multisided,used to provide secure grip on all hexagonal nuts,

square nuts, unions and valve packing nuts. The

extra-wide opening offset is ideal for securing

drain nut on sticks and tubs.

a. Internal wrenchb. Compound leverage wrenchc. Offset pipe wrenchd. Hex wrench A tool used to tighten the nut that secure thebasket to the sink

a. Basket Strainer wrenchb. Closet Wrenchc. Valve seat toold. Closet Wrench

12. Yoke and base are made of strong, dependableiron. It has hardened ally steel jaws and

convenient pipe rest and bender

a. Bench Strainer Wrenchb. Portable tristand Chain Visec. Bench Yoke Vised. Bench Chain Vise

13. Is a three dimensional drawing in the plumbingsystem

a. Exterior Elevation drawingb. Schematic Piping Lay-outc. Isometric Drawingd. Plot Plan

14.

Is an adjustable cast iron box that is flash withfinished grade and its capped with removable iron

cover

a. Stop cockb. Stop boxc. Corporation cockd. None of the above

15. Is a fitting or device that, when properly vented,provides a liquid seal to prevent the emission of

sewer gasses.

a. Fixture trapsb. Cleanoutc. Stackd. Chase

16. Is the drainage pipe that extends from the trap ofa fixture to the junction to the junction of the

next drainage pipe.a. Fixture drainb. Horizontal branchc. Building drain branchd. Sanitary sewer

17. To boost the water pressure of hot water, usea. Elevated water tankb. Hydroelectric water tankc. Gravity tankd. Circulating tank

18. Stainless steel plumbing fixture are manufacturedbased on standard set by the organization

a. F.S.b. U.L.c. PDId. CS and PS

19. Polyvinyl Chloride (PVC) pipes used for drainwaste vent (DWV) are manufactured based on

standard set by this organization

a. AWWAb. ANSIc. ASTM

20. What is the minimum size of water supply inletfor urinal stall

a. b. c. 1d.

21. Is a pipe that conveys rainwater from the roof tothe storm drain

a. Combinationb. Rainwater leaderc. Sanitary piped. Waste pipe

22. It is a type of ladder that stands independently ofsupport

a. Extension ladderb. Stepladderc. Scaffoldsd. Fixed ladder

23. Class ____ fire extinguishers are identified by thecolor green inside a triangle

a. Class Kb. Class Ac. Class Bd. Class C

24. It is a plastic rasin that can be heated andreformed repeatedly with little or no degradation

in physical characteristics.

a. PBb. Thermoplasticc. PEd. Thermosetting

25. CPVC Pipe and fitting are ___ coloredthermoplastic materials specially formulated to

withstand higher temperatures than other plastic

a. Whiteb. Blackc. Blued.

Cream

26. Is a person who has completed apprenticeshiptraining in a trade and skilled in a particular field.

a. Apprenticeb. Journeymenc. Superintendentd. Estimator

27. ANSI stands fora. American National Standard Instituteb. American National Standard Institutec. Association for national Standard Instituted. None of the Above

28. NAMPAP stands fora. National Master Plumbing Association of the

Philippines

b. National Master Plumbers Association of thePhilippines

c. New Master Plumbing Association of thePhilippines

d. None of the Above29. Is a civil drawing that shaped and size of the

building lot and the location on the building lot

a. Plot planb. Exterior Elevation Drawingc. Schematic Piping Layoutd. Isometric Drawing

30. Is a valve installed on water service to turn on oroff the flow of potable water in the building

a. Stop boxb. Curb Cockc. Corporation Cockd. Stop Cock

31. Is a pipe that conveys the discharge of watercloset other similar fixtures containing local

matter with or without the discharge of other

fixtures.

a. Waste Pipeb. Soil Pipec. Sanitary Piped. Water Pipe

32. Is a pipe that ventilates the drainage system ofthe building

a. Soil Pipesb. Vent Pipesc. Waste Piped. All of the Above

33. Is an eye and face protection device that coversthe entire face with a plastic shielda. Face Shieldb. Gogglesc. Shieldd. Mask

34. Is a temporary wiring used to supply power toportable electric tools and equipment

a. AC/DC regulatorb. Extension Cordc. Wiring Lined. All of the Above

35. Is securing equipment or materials preparationfor lifting by means of rope, chain or web sling

a. Riggingb. Lockingc. Securingd. All of the Above


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Class ____ fire extinguishers are identified by thecolor blue inside a circle

a. Class Bb. Class Ac. Class Kd. Class C It is a plastic resin that cannot be melted after it isformed and cured in its final shape.

a. Thermoplasticb. Thermosettingc. PEd. PB Is a plumbing design in which centrally locatedmanifolds distribute water to each fixture withdedicated hot and cold water lines

a. Home Runb. Distribution Runc. Goald. Base The color used to identify the drawn copper tubefor Type L is

a. Whiteb. Redc. Oranged. Blue Is a steel pipe manufactured by drawing flat steelstrips trough a die to form a cylindrical shape

a. Seamless Pipeb. Brazed Pipec. Welded Piped. All of the Above Is a nipple that is threaded on the ends and hasshort unthreaded pipe in the middle

a. Close Nippleb. Shoulder Nipplec. All nippled. Twin Nipple Is a gate valve in which one piece solid bronzewedge fits against the seat to restrict the flow

a. Full Gate Valveb. Solid wedge disk gate valvec. Split wedge disk gate valved. Single Disk gate valve Is a person who enter into an agreement with anemployer

a. Apprenticeb. Journeymenc. Superintendentd. Estimator OSHA stands fora. Occupational Standard for Health and

Administration

b. Occupational Safety and HealthAdministration

c. Occupational Sanitation and HealthAdministration

d. None of the Above Is a drawing of piping system without regard toscale and exact location of the fixture shown in

drawing.

a. Isometric drawingb. Schematic piping layoutc. Exterior elevation drawingd. Plot plan Is a pipe extending from the corporation cock tothe water supply distribution system of the

building

a. Curb cockb. Corporation cockc. Water serviced. Curb cock Any vertical line of soil, waste or vent pipeextending through one or more stories

a. Stackb. Chasec. Soild. Vent

48. PPE usually seen on entrance before entering theconstruction site stands for;

a. Personal protection equipmentb. Parental protective equipmentc. Promote protective equipmentd. Personal protective equipment

49. Is a ladder that is permanently attached to astructure, tank or vault.

a. Extension ladderb. Stepladderc. Scaffoldsd. Fixed Ladder

50. Is a temporary or movable platform andstructures for plumbers to stand on whenworking above floor level.

a. Boomsb. Ladderc. Ridged. Fixed ladder

51. Class ____ fire extinguishers are identified by thecolor red inside a square

a. Class Ab. Class Bc. Class Kd. Class C

52. It has a deeper and broader hook jaw housingwhich provided a smooth, flat surface that is may

used be occasionally used as a hammer

a. End pipe wrenchb. Pipe wrenchc. Stillson wrenchd. Rapwrench

53. Screwed steel pipe 2 diameter should havethis number of threads for effect ive jointing

a. 8b. 13c. 10d. 12

54. The effective thread length of a diametersteel pipe is

a. 1 longb. 1 longc. 1 longd. long

55. What do you call this valve installed at the suctionline of the pump to prevent the loss of prime of

pump?

a. Check valveb. Suction valvec. Underground valved. Foot valve

56. A male thread fitting with square head used forclosing another female fitting is called

a. Nippleb. Copc. Plugd. Bushing

57. Electric water heaters are manufactured based onthe standard set by this organization.

a. P.S.b. F.S.c. I.S.d. U.L.

58. The best solder for brazing/soldering joints isa. Alloyb. 95-5 tin antimonyc. 50-50 tin alloyd. None of the Above

59. How does a safety mechanism of a hot watersystem work?

a. Manuallyb. Mechanicallyc. Automaticallyd. Electrically

60. Gasses found in the sewer air septic tank excepta. Methane gasb. Carbon dioxide

c. Chlorided. Ammonia

61. Waste in the plumbing drainage are prohibitedwaste when you discharge

a. Alkaline wasteb. Inflammable wastec. Acid wasted. Toxic waste

62. What causes the bad taste and odor of watera. Lack of oxygenb. The presence of algaec. The lack of nitrogend. The presence of minerals

63.

What type of wrench is used to assemble hublessjoint

a. Pipe wrenchb. Strap wrenchc. Torque Wrenchd. Chain wrench

64. Copper pipe are sizeda. 1/8 bigger than their inside diameterb. bigger than their inside diameterc. 3/16 bigger than their inside diameterd. 1/16 bigger than their inside diameter

65. It has internal legs and tray hat folds in for easycarrying and set up. Large vise base overhangs

front legs for clear tool swing

a. Portable tristand chain viseb. Bench yoke visec. Bench chain vised. Stand chain vise

66. A wrench for screws with hexagonally shapedrecess in its head

a. Offset pipe wrencb. Allen wrenchc. Internl wrenchd. Compound leverage wrench

67. Another variation of pipe wrench featuring a jawopening parallel to the handle and a narrower

hook jaw which provided easy entry into tight

space

a. Offset pipe wrenchb. Compound leverage wrenchc. Adjustable leverage wrenchd. End-pipe wrench

68. A tool fast and easy grip used on constrictedspaces or close to a wall. It has a solid housing

which keeps it from breaking or wrapping under

normal use.

a. Rap wrenchb. Stillson wrenchc. Compound leverage wrenchd. End-pipe wrench

69. This is used to remove square and octagonally-shaped threaded faucets. It has a right angle bar

with one end for square nuts and other

octagonal.

a. Valve seat toolb. Closet wrenchc. Basket strainer wrenchd. Basin wrench70. It is a pipe that conveys potable water for publicand community use from the municipal water

supply source.

a. Water serviceb. Water supplyc. Distribution systemd. Water main

71. Is a device used to measure the volume of waterthat passes through the water service

a. Water serviceb. Compound distributionc. Water distributiond. Water meter

72. Is a pipe that conveys only liquid waste that isfree from fecal matter.

a. Soil


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b. Ventc. Wasted. None of the Above An eye protection device with flexible frame, theyare secured on the face with an elastic headband.

a. Face shieldb. Gogglesc. Shieldd. Mask Is an adjustable height ladder with a fixed bedsection and sliding, lockable fly section

a. Extension ladderb. Stepladderc.

Scaffolds

d. Fixed ladder NFPA classified fires as Class ____ by electricalfires.

a. Class Bb. Class Ac. Class Cd. Class K PVC pipe and fittings are ____ coloreda. Whiteb. Blackc. Blued. Cream Is a steel pipe made by piercing a solid cylindricalsteel billet with a series of mandrels while passing

the billet through rollers

a. Brazed pipeb. Welded pipec. Seamless piped. None of the above Is a full-way valve used to regulate fluid flow inwhich a threaded stem raises and lowers a

wedges shaped disk

a. Globe valveb. Gate valvec. Gate valved. Disk valve The colors used to identify the drawn copper tubefor Type M is

a. Orangeb. Redc. Greend. White Is a person who estimate the cost of constructionprojects the contractor wants to bid

a. Apprenticeb. Journeymenc. Superintendentd. Estimator Is a scaled view created by passing an imaginarycutting plane through a portion of a building

a. Detail drawingb. Plot planc. Exterior elevation drawingd. Section drawing Is a valve placed on water main to which thewater service of the building is connected

a. Corporation cockb. Curb cockc. Water meterd. Stop cock Is a soil or waste stack that extends horizontallyfrom fixture on the same floor as the branch.

a. Horizontal Branchb. Sanitary Sewerc. Fixture Draind. Building Drain Branch Is a pivoting hook mechanism attached to the flysection of an extension ladder to hold the fly

section at the desired height

a. Rigged lockb. Auto lockc. Pawl lockd. All of the above

85. Class ____ fire extinguishers are identified by thecolor yellow inside a star

a. Class Db. Class Ac. Class Bd. None of the above

86. Is a nipple that is threaded its entire lengtha. Close nippleb. Shoulder nipplec. All nippled. All of the above

87. Is a gate valve in which two pieces bronze wedgefits against the seat to restrict the flow

a.

Split wedge disk gate valveb. Single disk gate valvec. Full gate valved. None of the above

88. PEX denotes asa. Polyethylene extrab. Cross linked polyethylenec. X-linked polyethylened. All of the above

89. NFPA classified fires as Class ____ by flammableliquids, gasses or grease

a. Class Kb. Class Ac. Class Cd. Class B

90. Is a drawing showing a small part of a floor plan,elevation or section drawing at enlarge scalea. Detail drawingb. Plot planc. Exterior elevation drawingd. Schematic piping layout

91. The effective thread length of a screwed pipeis

a. 1 longb. longc. 1 longd. long

92. Screwed steel pipe 2 should have this numberof threads for effective jointing

a. 8b. 13c. 10d. 12

93. What is the minimum size of water supply inletfor urinal stall

a. b. c. 1d.

94. The most common and widely used gate valvea. Single diskb. Split wedgec. Solid wedged. Double disk

95. In figure is a graphical symbol for what kind of tee

a. Welded tee turned upb. Welded tee turned downc. B & S turned downd. B & S turned up

96. If the sewer and vent layout of the plumbingplans specified PVC S-1000, estimate the quantity

of bend x 50 mm

a. 72b. 86c. 48d. 64

97. A common heat source for indirect water heatera. Steamb. Gasc. Electricityd. Oil

98. In figure, is a graphical symbol for what type ofpipe joint

a. Welded jointb. Screwed jointc. Soldered jointd. B & S joint

99. Based on the storm drainage layout of plumbingplans, estimate the quantity of cast iron hubless

pipe size 50 mm x 3.0 m to be used for canopy

drain pipe.

a. 4b. 5c. 6d.

3

100. What do you call this caulking tool drawna. Finishing ironb. Regular ironc. Spring yarning irond. Long iron

101. In figure, is a graphical symbol for what k ind ofvalve

a. Welded globe valveb. Screwed globe valvec. Bell & Spigot gate valved. Flanged gate valve

102. What do you call this hammering tool showna. Sledge hammerb. Drilling hammerc. Engineers hammerd. Ball pien hammer

103. The simplest and cheapest bonnet design of valveis

a. Boltedb. Pluggedc. Screwedd. Welded

104. What causes the bad taste and odor of watera. The lack of oxygenb. The presence of algaec. The lack of nitrogend. The pressure of mineral

105. A welded tee turn down fitting drawn in graphicasymbol is shown

a. .b. .c. .d. .

106. A flanged joint drawn in graphical symbola. .b.c. .d. .

107. A screwed cock valve drawn in graphical symbola. .b. .c. .d. .

108. What is the minimum size of water supply inletfor kitchen sink?

a.


4/8

b. c. d. 3/8

9. In figure, is a graphical symbol for what kind ofvalve?

a. Socket ball valveb. Screwed check valvec. Flanged gate valved. Soldered angle valve

0. What is the minimum size of water supply inlet ofa shower stall?

a. b.

c. d. 1

1. A flanged globe valve drawn in graphical symbol isshown

a. .b. .c. .d. .

2. What do you call this valve installed at the suctionline of pump to prevent the loss of prime of the

pump

a. Check valveb. Flopper calvec. Float valved. Foot valve

3. Polyvinyl Chloride (PVC) pipes used for drainwaste vent (DWV) are manufactures based on the

standard set by this organization

a. AWWAb. ANSIc. ASTMd. PAWWA

4. Water for domestic use comes from these sourcesexcept

a. Ground waterb. Rain waterc. Surface waterd. Sea water

5. What is the setting height from the floor for wallhung lavatory

a. 24b. 22c. 28d. 26

6. A welded elbow fitting drawn in graphical symbolis shown

a. .b. .c. .d. .

7. How much is the plumbing permit fee for onelavatory in excess of one unit minimum required?

a. P 6.00b. P 1. 00c. P 4.00d. P 2.00

8. What do you call this caulking tool drawna. Offset ironb. Piping ironc. Ceiling irond. S-iron

9. In figure, is a graphical symbol for what k ind ofelbow reducer

a. Flanged elbow reducerb. Screwed elbow reducerc. Socket elbow reducerd. Soldered elbow reducer

120. A bell & spigot globe valve drawn in graphicalsymbol is shown

a. .b. .c. .d. .

121.

The recommended hot water supply to an hotelwashing machine is?

a. 25 GPHb. 15 GPHc. 20 GPHd. 10 GPH

122. In figure, is a graphical symbol for what k ind oftee

a. Socket tee turned upb. Soldered tee turned downc. Soldered tee turned upd. Soldered tee turned down

123. A bell and spigot safety valve drawn in graphicalsymbol is shown

a. .b. .c. .d. .

124. Gasses not found in sewer air of septic tank area. Methane gasb. Carbon monoxidec. Ammoniad. Chloride

125. What is the setting height from the floor for awater supply inlet of flush tank water closet

a. 16b. 14c. 8d. 12

126. In figure, is a graphical symbol for what kind ofbend

a. Flanged bend turned-upb. Screwed bend turned-upc. Screwed bend turned-downd. Flanged bend turned-down

127. A flanged bend turned down fitting drawn ingraphical symbol

a. .b. .c. .d. .

128. A male thread fitting with square head used forclosing another female fitting is called

a. Nippleb. Capc. Bushingd. Plug

129. In figure, is graphical symbol for what kind of pipeline

a. Cold water lineb. Air linec. Hot water lined. Gas line

130. In figure, is a graphical symbol for what k ind ofcross tee

a. Soldered cross teeb. Flanged cross teec. Welded cross teed. Screwed cross tee

131. The recommended hot water supply to a hotellavatory


132. Copper pipes are sizeda. 1/8 bigger than their inside diameterb. bigger than their inside diameterc.

3/16 bigger than their inside diameter

d. 1/16 bigger than their inside diameter133. To boost the water pressure of hot water, use

a. Elevated water tankb. Hydroelectric tankc. Gravity tankd. Circulating pump

134. Which type of wrench is used to assemble hublesjoint

a. Pipe wrenchb. Strap wrenchc. Torque wrenchd. Chain wrench

135. When silt and dirt is removed from water, theprocess is called

a. Filtrationb. Sedimentationc. Straight pipe wrenchd. Rap wrench

136. The recommended hot water supply is atherapeutic bath?


137. What is the setting distance from the floor for abidet waste drain outlet?

a. 20b. 12c. 18d. 16

138. Electric water heaters are manufactured based onthe standard set by this organization.

a. P.S.b. F.S.c. I.S.d. U.L.

139. Plumbing pipe color coded in Aqua-blue stripe orbar is identified as

a. Gas pipeb. Row water pipec. Potable water piped. Air pipe

140. Stainless steel plumbing fixture are manufacturedbased on the standard set by this organization

a. F.Sb. U.I.c. PDId. CS and PS

141. In figure, is a graphical symbol for what k ind oftee

a. Screwed tee turned downb. Soldered tee turned downc. Screwed tee turned upd. Soldered tee turned up

142. When a lift check valve is not working properly,what should be done?

a. Check the lift diskb. Adjust the sliding pistonc. Check hingesd. Lubricate the plug

143. What is the material applied to a thread of pipe tocompensate for workmanship in a screwed joint

a. Oil


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b. Teflon tapec. Paintd. Masking tape

4. Which of the following type of valve usuallyoperated without manual control?

a. Check valveb. Globe valvec. Gate valved. Angle valve

5. When soldering copper gutters, what is that fluxthat is generally used

a. Ammoniab. Muriatic acidc.

Resin

d. Calcium chloride6. What is that plumbing devices that prevent the

passage of bad odor and gasses from the sewer

system to a building?

a. Corporation stopb. Stop cockc. Trapd. Union patent

7. What is that device suitable for pumping sewagefrom the deep basement floor into the sewer

line?

a. Pressurized relief valveb. Pneumatic ejectorc. Vacuum breakerd. Turbine

8. Minor stoppage from water closet traps can becleared with plunger, but for more stubborn

clogs, use

a. Closet augerb. Insertable toolsc. Sewer snaked. Pick out iron

9. To repair a leaking DWV copper joint, you shoulda. Cut and unscrew at the jointb. Tighten the bolts on the steel clampc. Correct the misalignment of the jointd. Disassemble and clean the components

0. A storage heater is used when the demanda. Is levelb. Has small volume changesc. Is constantd. Has large volume changes

1. Water like gases solid is composed of smallindividual parts scientifically referred to as:

a. Dropb. Particlec. Moleculed. Vapor

2. The most practical circulating pump for use in thehot water system is the type:

a. Centrifugal pumpb. Rotary pumpc. Piston pumpd. All of these

3. In sizing a downspout the deciding factor for itsproper size:

a. Roof area of buildingb. Rainfall inventory in the localityc. Pitch of roofingd. All of these

4. A system of pipes and equipment used exclusivelyto supply water for extinguishing fire:

a. Sprinkler systemb. Stand pipec. Fire hydrantd. Siamese connection

5. A device or structure, above or below the groundused for removing soil or colloidal materials of a

type that cannot be remove by sedimentation

a. Catch basinb. Screenc. Trapd. Filter

156. Installation of water service must be direct and inshort manner a possible turns, or offset elbows

should be avoided because the element will incur

a. Friction lossesb. Plastic pipec. Asbestos piped. All of these

157. Friction in plumbing system will causes losses inpressure in pipe due to

a. Resistance produce by contact of flowingwater and the interior surface of pipe

b. Resistance between molecule of waterc. Resistance between elevation of higher leveld.

All of these

158. What is the pipe fitting used in theinterconnection of service pipe and insertion to

the water main?

a. Corporation cockb. Clamp saddlec. Nippled. Straight elbow

159. What is the knockdown coupling like fitting that isspecially use and interconnect two water service

pipes in place?

a. Bushingb. Union patentc. Sleevesd. Nipple

160. A pipe fitting with outside thread and projectingsquare head used for closing the edge of anotherfitting

a. Knotb. Bushingc. Plugd. Cap

161. A short pipe with outside thread used forconnecting pipe or fitting

a. Nippleb. Couplingc. Sleevesd. All of these

162. A nut that is screwed up tightly against anothernut to prevent it from becoming loose

a. Lock nutb. Obstinate nutc. Bushingd. Bolt nut

163. The difference between a tube and a pipe is that,tube has relatively thin wall and

a. The listed sized correspond to the insidediameter

b. The listed size correspond to outsidediameter

c. Relatively square edged. Straight edge

164. What do you call the phenomenon causingrumbling sound and severe shock when water

flow is halted abruptly by rapid closure of valve or

faucet?

a. Pressure energyb. Water surgec. Water hammerd. Shock wave

165. What is the level to which water must use in afixture to overflow without restriction?

a. Flood levelb. Flushing surfacec. Overflow leveld. Drain board

166. What is the type of water closet for public use?a. Egg shape bowl typeb. Elongated bowl typec. Circular bowl typed. All of these

167. Floor drain is always provided with removablestrainer, the open are of which is equivalent to a

fraction of the cross sectional area of the drain

pipe

a. of the areab. 1/3 of the areac. 2/3 of the aread. 3/8 of the area

168. A flexible auger is use to remove obstruction thattake place in these fittings

a. P-trapb. Trap way of toilet bowlc. Flush tankd. Floor drain

169. In starting an obstinate, rusty nut or bolt, a sharpblow with hammer often start rotation where astraight pull will not. In this case a steady pull

with blow will do the work

a. The blow deliver to the wrench near the nutb. Blow at other end of the wrenchc. Blow at the middle of the wrenchd. On top

170. The use of compound in screw joint, a dope mayapplied by plumber for what purpose

a. To compensate for a poor workmanshipb. To lubricate and reduce friction in the screw

joint

c. To make permanentd. All of these

171. In a screwed connection, always begin to screwby hand and make sure the fitting turn readily

after the length of approximatelya. 2 threadsb. 3 threadsc. 4 threadsd. 5 threads

172. The kind of valve installation characterized as tocheck or prevent reversal of flow in the pipe

a. Globe valveb. Gate valvec. Check valved. Angle valve

173. The type of wrench use for screwing bolt andinsert for valve with hexagonal end

a. Pipe wrenchb. Strap wrenchc. Monkey wrenchd. Chain wrench

174. The type of wrench used in working with platedor high-finish materials and in place with two

small to admit pipe wrench

a. Monkey wrenchb. Strap wrenchc. Open wrenchd. Closed wrench

175. The explosion of molten lead when pouring intothe hub of G.I. pipe when preparing a caulk joint

is caused by:

a. Wet and watery hub endb. Overheating of leadc. Sudden cooling of pig leadd. Dirty hub end

176. When making screwed joints in a potable watersystem, apply sealing compound ona. Fitting threads onlyb. Temperature above 600 Fc. Brass piping onlyd. Male thread only

177. Which flushing action in water closet requires aflushometer?

a. Siphon jetb. Washdownc. Blowoutd. Reverse trap

178. Which type of urinals uses less water than any ofthe other type?

a. Washoutb. Washdownc. Blowout


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d. Reverse trap9. In a solvent-cemented plastic piping system, most

leaking joints are caused by a workers failure to:

a. Mark all fitting and pipe for positioningb. Deburr the inside of the pipec. Apply solvent primer to the joint surfacesd. Cut the pipe in meter box

0. Which of the following should be used forlubricating during the threading process?

a. Water solubleb. Machine lubricating oilc. Crankcase oild. Sulfur-lard oil

1.

What is the other name for rain waterdownspout?

a. Riserb. Leaderc. Run outd. Stack

2. Which of the following is not a type of waterfountain?

a. Wall mountedb. Column standingc. Free standingd. Semi- recessed

3. What is the valve which is an adoption of ballvalve?

a. Butterfly valveb. Plug valvec. Glove valved. Gate valve

4. All of the following are used in a site drainagesystem EXCEPT:

a. Drain inletsb. Catch basinsc. Roof drainsd. Manholes

5. Subsoil water is collected and carried to aa. Sanitary sewerb. Storm sewerc. Sumpd. River

6. Which of the following is not a plumbing fixture?a. Gravity tankb. Roof drainc. Booster pumpd. Floor drain

7. Which type of lavatories is designed for groupuse?

a. Splash-back lavatoryb. Wash fountainc. Shelf- back lavatoryd. Slab lavatory

8. What must be the slope of building draininstallation?

a. 1/8-1/4 in/ftb. 5/8-3/4 in/ftc. 7/8-1/2 in/ftd. 3/8-1/2 in/ft

9. Minor stoppage form water closet traps can becleared with plunger, but for more stubbornclogs, use

a. Closet augerb. Insertable toolsc. Sewer snaked. Pick out iron

0. What are references in measuring the depth of atrap seal of the trap?

a. Crown weir to top dipb. Bottom dip to top dipc. Crown weir to bottom dipd. Inlet to outlet

1. Subsoil drains are installed at what level?a. In level with the ground floorb. In level with the basement floorc. Under the ground floord. Under the basement floor

192. The prescribe color coding of piping under steamdivision of a high pressure pipe is

a. Blackb. Redc. Whited. Blue

193. What are the most common joints used for brassand steel piping installation?

a. Clamp and gasketb. Oakum and leadc. Cement and oakumd. Screwed and flanged

194. What is the prescribed color coding of pipingunder water division of fresh water pipe?a. Greenb. Bluec. Whited. Orange

195. In large restaurant, the fixture for washingvegetable pan cauldron is the:

a. Scullery sinkb. Kitchen sinkc. Slop sinkd. Wash basin

196. What is that pressure that comes from theamount of air that was drag along with friction by

flowing down the wall of the waste stack?

a. Atmospheric pressureb. Pneumatic pressurec. Back pressured. Water pressure

197. At the base of a vertical drain, flow enters thehorizontal drain at a relatively high velocity, what

do you call that flow?

a. Shooting flowb. Hydraulic jumpc. Surging flowd. Jumping flow

198. The handicapped fixtures are usually designed forpeople with less physical ability than the general

public, for the handicapped toilet requirement,

the height is higher than standard toilet. What is

the height of the handicapped fixtures?

a. 18 inchesb. 16 inchesc. 20 inchesd. 34 inches

199. Water taken from background sources usuallycontain compound of Calcium and Magnesium

which render its inconvenient for domestic used

particularly?

a. It react with chemical element contain insoap

b. It useless cleansing agentc. It precipitate salt form within pipe that

reduces the diameter

d. All of these200. The device installed above the flood level rim of

plumbing fixtures to primarily permit air from

atmosphere to prevent back siphonage of liquid

from the fixture is known as:a. Pressure valveb. Vacuum breakerc. Air valved. Relief valve

201. Whenever water flow in the water supply systemof a building, there is a continues loss of pressure

generating between the moving water and inner

surface of pipe, this is known as:

a. Friction lossb. Energy lossc. Head lossd. Pressure loss

202. As the water line for the building strike againstthe higher spots inside pipe surface, energy is

transferred into the pipe causing it to move or

vibrate, also produces line noise, these

phenomenon is known as:

a. Energy lossb. Water hammerc. Pressure lossd. Water shocks

203. When backfilling over laid drainage pipe, aplumber must take measure to prevent damage

to the pipe. Back fill materials should be added

gradually at typical layer and must be compacted

before nest layer is dump.

a. 0.15 & 0.30 m per layerb. 0.30 & 0.60 m per layerc.

0.20 & 0.40 m per layer

d. 0.50 m per layer204. When pipe penetrate an exterior wall it must pass

thru a sleeve. What is the size of the sleeve thru

which to be installed for the pipe to rest?

a. Two pipe size largerb. One pipe size largerc. Three pipe size largerd. One and one half pipe size larger

205. Factory waste or domestic waste is not allowed tobe discharge into the drain pipe such as what?

a. Sanitary drain pipeb. Storm drain pipec. Industrial drain piped. Drain tile

206. Manholes are NOT required for the laid drain pipeof this diametera. 150 mmb. 250 mmc. 300 mmd. 200 mm

207. Which of the following trap is a prohibited trapinside residences?

a. Crown trapb. Deep seal trapc. Anti-siphon trapd. Bell trap

208. Aside from the proper sizing of house drain, theother factor in the installation is the grade, what

is the pipe pitch necessary to have adequate flow

throughout the length and assure through

discharge of waste water.

a. in/ftb. 1/8 in/ftc. in/ftd. 1/16 in/ft

209. The phenomenon called water hammer, broughtabout by sudden closing or opening of valves can

be controlled by installing devices above each

faucet such as these:

a. Air chamberb. Check chamberc. Vacuum breakerd. Shock absorber

210. In plumbing installation, what portion of pipelinedo you need to provide air break?

a. Faucet connectionb. Indirect water connectionc. Water closetd. Trap convestion

211. The new technique of installing floor mountedwater closet with the end in view of assuring

cleanliness, leak proof and convenience is with

the used of this materials:

a. White cementb. Floor flange and gasketc. Portland cementd. Epoxy

212. The ventilation method whose primary purpose isNOT to protect trap against back pressure and

siphonage is what?

a. Back ventb. Circuit ventc. Loop vent


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d. Main vent3. The wastes in plumbing system contain many

chemical elements which are detrimental to the

piping materials yet can be eliminated through

proper ventilation. What elements are found to

be in large quantities that cause deterioration of

piping materials?

a. Hydrogenb. Oxygenc. Carbond. Ozone

4. Which of the fixture need to be provided withindividual vent to avoid the transmittal or surge

effect to other fixture trap connected to a branchdrain:

a. bathtubb. laundry trayc. kitchen trayd. water closet

5. During the initial phase of waste water todischarge into drain pipe, which of the fixtures

produces the very sudden and heavy surge with

appreciable shock effect in other fixture:

a. Urinalsb. Kitchen sinkc. Lavatoryd. Bathtub

6. In inserting a wye fitting into laid house sewer,the practical produce is these

a. Remove three length of pipe and insert wyefitting into the line

b. Cut the sewer to the length and insert thewye and cement joint end

c. Cut the sewer to the length, insert wye andjoint ends with sleeves

d. None of these7. After threading of a G.I. pipe thru a stack and dies

the next step for plumber should do is to ream

the inside of pipe for these purpose

a. Remove deformation which will causereduction of pipe diameter

b. Remove burr to facilitate application oflubricant

c. Smoothening the surface end of the piped. Making the pipe and straight

8. When a caulking iron had stricken hard a cast ironhub while doing caulk joint and had the pipe

cracked, what would you do?

a. Proceed in caulking, anyway the oakum andpouring lead will cover the crack

b. Replace the pipe and fittingc. Weld the crack portiond. Sealed the crack with moisture resistant

pigment

9. An inside roof leader is extended verticallythrough the floor of the building to a point below

the roof. What is the common practice to reduce

the danger of breakage which may result from

expansion and contraction of roof?

a. Extended horizontally below the roof withan elbow to form swing joint

b. Install sleeves below the roofc. Install packing materials to cushion possible

impact

d. Provide the end of roof leader with flexiblematerial

0. What of the following device is NOT a plumbingfixture?

a. Floor drainb. Water heaterc. Shower headd. Pneumatic pump

1. In preparing of a mortar or form a sticky mass tobe squeezed into the bell of clay pipe for a

cement joint, the mixture will be

a. One percent cement, one percent fine sandand water

b. Pure cement and waterc. Two part cement, one part sand and waterd. Two part sand, one part cement and water

222. It is a loss of trap seal due to unequal atmosphericpressure condition and due to rapid flows of

water thru the trap.

a. Wind effectb. Capillary effectc. Siphonaged. Back pressure

223. It is portion of the vent pipe through which liquidwaste flow:

a.

Local ventb. Individual ventc. Utility ventd. Relief vent

224. It is arrangement of venting so installed that onevent will serve two trap

a. Local ventb. Wet ventc. Unit ventd. Relief vent

225. It is the pipe extension of a solid waste or wastestack above the highest horizontal drain

connected to the stack:

a. Vent stack thru roofb. Local ventc. Stack vent thru roofd. Loop vent

226. A pit or receptacle at low point to which wastewater are drained:

a. Catch basinb. Holding tankc. Sump pitd. Septic tank

227. The spoon like tools use for pouring molten piglead into hub as making caulk joint in cast iron

pipe is called:

a. Spatulab. Scoopc. Dippersd. None of these

228. The trap provision required to restaurant andother establishment were sewage covers large

amount of grease prior to discharge to sewer

a. Drum trapb. Grease trapc. Catch basind. S-trap

229. Under the term and condition of PD 856,Sanitation Code of the Philippines, the effective

depth of a septic tank is measured from the

bottom of septic tank to the level:

a. Liquid level lineb. Bottom of inside cover of tankc. Invert if inlet pipelined. Invert of discharge pipe line

230. The receptacle in which waste water are retainedfor sufficient period to deposit suitable materials:

a. Catch basinb. Cesspoolc. Interceptord. Septic tank

231. In term of discharge one fixture unit representthe flow rate approximately:

a. 7.0 gallonsb. 5 gallonsc. 7.48 gallonsd. 6.5 gallons

232. The water service is a pipe that extends from thea. Water riser run out to the water tankb. Water main to the water tankc. Water main to the water meterd. Water main to the building

233. The basic elements of a cold water supply includethe

a. Riser run outb. Subsoil drain linesc. Downspoutd. Water closets

234. Flushometer is another name for:a. Flush tankb. Relief valvec. Vacuum breakerd. Flush valve

235. The minimum size of a Fire Hose outlet of aninterior wet standpipe is:

a. 20 mm b. 41 mm c.

25 mm

d. 38 mm 236. All Dry standpipe shall extend from the ground

floor and over the roof and shall be equipped

with 0.63 millimeters outlet in every floor level

with a minimum height from the floor of:

a. 1.00 mb. 1.50 mc. 0.90 md. 1.20 m

237. Dry standpipes shall have sufficient strength towithstand a water pressure of how much when

ready for service?

a. 25 kg/ sqcmb. 20 kg/sqcmc. 10 kg/sqcmd. 5 kg/ sqcm

238. PD 1096 prescribes that Dry stand pipe is requiredfor every building of how many floors?

a. 4 or moreb. 2 or morec. 5 or mored. 3 or more

239. Which type of lavatories is designed for groupuse?

a. Splash back lavatoryb. Shelf-back lavatoryc. Countertopd. Wall hung

240. Which of the following is not a plumbing fixture?a. Gravity tankb. Roof drainc. Booster pumpd. Floor drain

241. The code that prescribed regulation on sanitaryand industrial plumbing installation inside

buildings and premises is the:

a. National Building Codeb. National Plumbing Codec. Water Code of the Philippinesd. National Standards of Drinking Water

242. Subsoil water is collected and carried to aa. Sanitary sewerb. Storm sewerc. Sumpd. River

243. Which of the following carries waste discharge tothe building sewer?a. Soil stackb. Indirect connectionc. Building draind. Waste stack

244. All of the following are used in site drainagesytem EXCEPT;

a. Drain inletsb. Catch basinsc. Roof drainsd. manholes

245. The Code that prescribes criteria on the quality ofdrinking water from meteoric, surface or

underground sources is:

a. National Standards for Drinking Waterb. Water Code of the Philippinesc. National Building Code


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d. National Plumbing Code6. Ball valves are an adaptation of

a. Butterfly valveb. Plug valvesc. Glove valvesd. Gate valve

7. For public health reasons, a sanitary drainagesystem must discharge into

a. The groundb. A public storm systemc. A public sewer systemd. A water way

8. What type of end connection are used for valvessmaller than 2 in. in diameter?a. Flangedb. Compressivec. Uniond. Threaded

9. Which if these materials is best for vent pipes inan acid waste system?

a. Plasticb. Galvanized steelc. DWV copperd. Malleable iron

0. Soil and waste stacks carry the d ischarge from allof the following EXCEPT

a. Sinksb. Water closetc. Roof drainsd. Floor drains

1. In a water distribution system, what connects thewater main to the water risers?

a. Water serviceb. Riser runoutc. Water pumpd. Water tank

2. What is the device suitable for pumping sewagefrom the deep basement floor into sewer line?

a. Pressure relief valveb. Pneumatic ejectorc. Vacuum breakerd. None of these

3. The length of pipe along the waterline of the pipeone fitting

a. Standard lengthb. Commercial lengthc. Developed lengthd. Length

4. A device which discharges of pre-determinedquantity of water to pipeline for flushing purpose

actuated by direct water pressure.

a. Flushometer valveb. Pressure valvec. Water meterd. Gate valve

5. What is that greatest stress which a material canstand without a permanent deformation after

release of the stress?

a. Fatigueb. Tensile stressc. Working stressd. Ultimate stress

6. In a water supply system the unobstructedvertical distance thru the free atmosphere

between a faucet supplying water and the flood

level rim of the fixtures is called?

a. Airplaneb. Air gapc. Fixture draind. None of these

7. What do you call that point which is unobstructedopen edge of the fixture?

a. Flushing surfaceb. Rimc. Blisterd. Drain board

258. How does subsoil water is collected and beingtranslated?

a. Storm sewerb. Sumpc. Riverd. Sanitary sewer

259. Which of the following is NOT a type of lavatory?a. Splash-backb. Ledge-backc. Reverse trapd. Countertop

260. What is the depth of the building sewer wheninstalled?

a.

1.00 mb. 0.30 mc. 0.65 md. 1.20 m

261. What is that branch vent that serves two or moretrap and from in front of the last fixtures

connection of the horizontal branch to the vent

stock?

a. Local ventb. Individual ventc. Yoke ventd. Utility vent

262. Caulk joint shall be firmly packed with oakum orhemp and powered received with pure load what

that depth of lead over oakum?

a. 25 mm (1)b. 32 mm (1 )c. 38 mm (1 ) d. 13 mm ()

263. What is that term with reference to the loadproducing effect on the plumbing system for

different kind of plumbing fixtures?

a. Flush tank volumeb. Demand loadc. Fixtures valued. Fixture unit

264. What is the minimum size of a fire hose outlet ofan interior wet standpipe?

a. 50 mmb. 41 mmc. 20 mmd. 38 mm

265. How does evaporation of the trap seal of a fixturebe eliminated?

a. Inside a roomb. Proper ventilationc. Frequently usedd. Install vacuum breaker

266. What is the corresponding name of the followingabbreviation pertaining to local trade and

government regulating body?

a. DTIb. PCAc. NAMPAPd. PRC

267. What is the standard size of water service fromthe water main to the dwelling unit?

a. 19.00 mm (3/4)b. 28.00 mm (1 )c. 12.5 mm (1/2)

268.

Preboard_4 - Practical Problem

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