Questions for Lesson #1C

Questions for Lesson #1C

Record your final answers in the corresponding spaces below. Show all calculations when necessary. Submit to WCC for correction with the provided lesson scantron. You must use a new answer sheet every time you submit this lesson quiz for correction.

SPF04 Answer Sheet #1C Name:___________________________ WCC ID: @00__________________

The area of a drawing that shows all 7. necessary information not given on the face of the drawing is the ____________. ______________________________________

The thickest line on a drawing is the 8. center line. A. True B. False

Refer to Drawing 1 in the Appendix and answer the following questions.

What type of line is illustrated by letters 9. (E) and (G). ______________________________________

List all letters representing object lines. 10. ______________________________________

Refer to Drawing 2 in the Appendix and answer the remaining questions.

What type of line do (A), (D), (E) and (H) 11. represent? ______________________________________

The number of parts ordered is 24. 12. A. True B. False

What is the purpose of a blueprint? 1. ______________________________________ ______________________________________

Name an older process used to produce 2. a duplicate, but not used as frequently as in the past. ______________________________________

_________ tell the story in a drawing 3. rather than words. ______________________________________

Lines in a drawing should all be the 4. same darkness. The contrast between these lines is controlled by the ____________. ______________________________________

Name a type of line used to represent 5. edges not visible to the viewer. ______________________________________

Object lines, hidden lines, center lines, 6. extension lines, and dimension lines are used in combination to produce a ____________. ______________________________________




What two dimensions are shown in the 6. top view? _______________________________________ _______________________________________

By looking at the right side of an object 7. and tracing an outline of it, we obtain a _______________ view. _______________________________________

Refer to Drawing 3 in the Appendix and answer the following questions.

What kind of lines are (J) and (K)? 8. _______________________________________ _______________________________________

What line in the front view does surface 9. (G) in the right side view represent? _______________________________________

What view(s) show the height of the 10. bracket? _______________________________________ _______________________________________

A drawing must contain three views to 1. show the three principle dimensions.A. True B. False

In the building trade, the front view is 2. called the _________________________. _______________________________________

What three principal dimensions do all 3. objects have? _______________________________________ _______________________________________ _______________________________________

What is the dimension that is common 4. in the top view and the right side view? _______________________________________

All of the necessary information and 5. instructions can also be shown by two or three views for sprinkler work. A. True B. False



Is surface (M) in the three-dimension 11. drawing visible in the multi-view drawing? _______________________________________

What is the name given to the view of a 12. building if looking straight down on it? _______________________________________

In addition to the views shown, would a 13. left side view be of any value? Why? _______________________________________ _______________________________________

Name the views which show the depth 14. of the support bracket. _______________________________________ _______________________________________

The surface represented by the letter 15. (B) and the surface represented by the letter (F) are at the same height.A. True B. False




Most objects shown within a drawing 1. require __________ views. _______________________________________

Name two objects that would require 2. only two views. __________________ __________________

A hidden line on a drawing represents 3. what? _______________________________________ _______________________________________

How would the height or thickness of a 4. part in a one-view drawing be indicated? _______________________________________

Refer to Drawing 4 in the Appendix to an-swer the following questions.

Give the encircled letter that denotes a 5. dimension line. _______________________________________

From what material is the flange made? 6. _______________________________________

What line in the front view represents 7. the surface marked (M) in the top view? _______________________________________

What line in the front view represents 8. surface (H) in the top view? _______________________________________

What is the dimension between surface 9. (K) and surface (J) in the front view? _______________________________________

Give the encircled letter that denotes a 10. center line in the front view. _______________________________________

What kind of lines are (B) and (C)? 11. _______________________________________

Diameters are indicated on this 12. drawing by the use of _____________ and ___________________. __________________ __________________




What is the name given to the style of 7. dimensions when they can be read from the bottom of a drawing? _______________________________________

Bidirectional dimensions are placed 8. on a drawing so as to be read from either the __________________ or __________________. _______________________________________ _______________________________________

What type of dimension is used for 9. indicating the measurements of a shape of a part? _______________________________________

Refer to Drawing 6 in the Appendix to answer the following questions.

What is the overall length of the part? 10. _______________________________________

What is the dimension from the hidden 11. surface indicated by the 1¾" dimension and the right edge of the part? _______________________________________

Valves and fittings in piping drawings 1. are located by measurements to their _______________________. _______________________________________

On a piping drawing, how would 40" be 2. indicated? _______________________________________

What is the type of dimension that is 3. usually given from a finished surface or the center of holes? _______________________________________

What is another name given to 4. dimensions used in producing a part? _______________________________________

Give two reasons for placing dimensions 5. on a drawing. _______________________________________ _______________________________________

Name the two general types of 6. dimensions. _______________________________________ _______________________________________



What is the center-to-center distance 12. between the two similar holes? _______________________________________

What is the overall depth? 13. _______________________________________

What is the diameter of the material the 14. ⅛" NPT is going through? _______________________________________

What is the overall height? 15. _______________________________________

Refer to Drawing 7 in the Appendix and answer the remaining questions. The di-mensions in the drawing are center-to-center.

What is the center-to-center distance 16. between the two check valves on the 2" outlet? _______________________________________

What is the distance between the elbow 17. indicated by the letter “B” and the exhauster on the right? _______________________________________

What is the difference from the center 18. of the tee in the 3" exhaust line to the center of the tripping device as measured along the ¾" pipe? _______________________________________

What is the longest piece of 3" pipe, 19. center-to-center, utilized? Disregard the 3" exhaust line extending off the drawing. _______________________________________

What is the distance along the 2" pipe 20. between the center of fitting (A) and the center of the farthest exhauster 2" outlet? _______________________________________




Reducing the size of an object in a draw‑ 5. ing to fit the paper is known as making the drawing ___________________________. _______________________________________

In what view should the diameter and 6. length of a cylinder be shown? ______________________________________ ______________________________________

If a single view of a cylindrical object 7. is shown, how do you indicate the diameter on the dimension? ______________________________________

Suppose you find it necessary to 8. measure some pipe runs on a drawing that has a scale of ½" = 1'0". How long are the actual runs when the dimensions from the drawing are as follows? Drawn Size Actual Size

6"

10"

4½"

7¼"

12⅛"

When a scale of ¼" = 1'0" is used, to 1. what length will each of the following actual sizes be drawn on the drawing? Actual Size Drawn Size

12'

8'

2'

6'6"

10'3"

Small objects may be drawn ________ 2. size if the drawing paper is large enough. ______________________________________

Name two processes by which a hole 3. can be produced in a part. ______________________________________ ______________________________________

In dimensioning arcs, or sections of 4. circles, what does the letter “R” stand for? ______________________________________



What is the name of the standard used 9. to dimension holes? ______________________________________

When dimensioning an arc or section of 10. a circle, the dimension line should point to or lead from where? ______________________________________


What is the diameter of the small end of 11. the taper? ______________________________________

What is the horizontal dimension of the 12. tapered portion of the roll on the right end? ______________________________________

What is the overall width (length) of the 13. pipe roll? ______________________________________


What is the distance from the bottom 14. edge of the bracket to the top of the arm that contains the two ⅝" holes? ______________________________________

How deep will the two holes be 15. counterbored? ______________________________________




In threads, what is the included angle 7. between the sides of the threads? _______________________________________

The second letter in a thread callout 8. represents what? ______________________________________


The ¾"-16NF is a type of pipe thread. 9. A. True B. False

How deep are the holes to be threaded 10. ⅝"-11NC-2? ______________________________________

How many holes are to be threaded with 11. ¾" threads? ______________________________________

Is the ¾"-16NF-2 left-handed or right-12. handed? ______________________________________

Name the three types of symbols used 1. to represent threads on a drawing. ______________________________________ ______________________________________ ______________________________________

What are the two series of the American 2. National Form used on threads? ______________________________________ ____________________________________

How many classes of fits are there? 3. ______________________________________

The pipe size given on a drawing is the 4. outside diameter of the pipe. A. True B. False

Threads are dimensioned or called 5. out on a drawing by a series of _____________ and _____________. __________________ __________________

What two types of threads pertain to the 6. sprinkler fitter? ______________________________________



The ¾"-16NF is a type of pipe thread.13. A. True B. False

How many holes have tapered threads? 14. _______________________________________

What does ⅝"-11NC-2 mean? 15. _______________________________________ _______________________________________




When are partial or “broken out” 6. sections used? _______________________________________ _______________________________________

How is a cutting plane line represented 7. on a drawing? _______________________________________

What does the cutting plane represent? 8. _______________________________________ _______________________________________

When is a half section usually shown? 9. _______________________________________ _______________________________________

What type of section is represented by a 10. wavy, irregular cutting plane? _______________________________________ _______________________________________

What is the basic purpose of a sectional 1. view? _______________________________________ _______________________________________

The imaginary plane that passes 2. through an object, cutting it, is called the _________________. ______________________________________

What do the arrowheads on the end of 3. the cutting plane line signify? _______________________________________

The parallel slanted lines drawn on an 4. object where it has been cut are called ________ or ________ lines. __________________ ___________________

What is a full section? A half section? 5. Full___________________________________ _______________________________________ Half___________________________________ _______________________________________



What makes seeing different parts in a 11. section view of an assembled group of component parts easier? ______________________________________ ______________________________________

May hidden lines be omitted in sectional 12. views? Explain. ______________________________________ ______________________________________


What type of section is used on the 13. check valve? ______________________________________

What type of section is used on the 14. union? ______________________________________

Would a half section view of the globe 15. valve completely describe it? ______________________________________

Of what material is the union made? 16. ______________________________________

What type of material is the packing nut 17. made of on the globe valve? ______________________________________

Of what material are the following check 18. valve parts made? Part Material Body

Disc

Cap

The cap and body of the swing check 19. valve are made from different material.A. True B. False

What type of material is the union 20. bonnet ring made of on the globe valve? ______________________________________




Name a more difficult shape to sketch 7. freehand. ______________________________________

Why is a soft pencil desirable in 8. sketching? ______________________________________ ______________________________________


Sketch the front view of Block “A.” 9.

Name three factors necessary in making 1. a good pencil sketch.

An engineer, architect, and sprinkler 2. fitter often use a pencil sketch for what purpose? ______________________________________

A sketch is thought of as a 3. ______________ of a final drawing. ______________________________________

A horizontal line is drawn using a 4. forearm motion from ________ to _________. __________________ __________________

The same methods used in sketching 5. horizontal lines can be applied to sloping lines.A. True B. False

How many steps should be used in 6. sketching a circle? ______________________________________



Sketch the side view of Block “A.” 10.

Sketch the top view of Block “A.” 11.

A left side view of “Block A” would show 12. more detail than the right side view.A. True B. False

View “E” is a top view of “Block A.”13. A. True B. False

A top view of the welding coupling 14. would give more detail than the front view.A. True B. False

From which views can the angle of the 15. sloping side be determined? ______________________________________ ______________________________________




What two views in a drawing or sketch 5. have the same depth? ______________________________________ ______________________________________

Why should a beginning sketch be done 6. with light lines? ______________________________________ ______________________________________

In a single view sketch, dimensions are 7. placed where? ______________________________________ ______________________________________

To start sketching, the easiest way is to 8. use the _____________ method of layout. ______________________________________

Dimensioning requires the addition of 1. two types of lines to the sketch. Name these lines. ______________________________________ ______________________________________

Your sketch could serve as a 2. __________________ of a solution to a problem. ______________________________________

The height is the same in what two 3. views? ______________________________________ ______________________________________

List the four steps to use when 4. preparing a sketch. ______________________________________ ______________________________________ ______________________________________ ______________________________________




In the spaces provided below, sketch 9. three views of the pipe support using the method described within the chapter.

Place dimensions on the sketch in their 10. appropriate locations.

Top

Front Right side

What is the overall height of the flat iron 11. hanger ring? ______________________________________

What is the diameter of the hole in the 12. top of the ring? ______________________________________




The following figures will be found 4. within this study guide. Make a list of the figure numbers and answer yes or no as to whether they are or are not an isometric drawings. Figures

1.7

2.1

2.3

3.1

5.1

5.6

7.1

The three principal dimensions appear 1. in their true length in isometrics.A. True B. False

In an isometric drawing, two 30° angled 2. lines and a vertical line make up what is known as the ______________. ______________________________________

What is the definition for the word 3. isometric? ______________________________________



Sketch an isometric of a 2" cube. In each visible side, construct a 2" circle. 5. Note: Triangle sides are ¼".



Use the the following views of the Locating Block to create an isometric sketch.6.

TOP

FRONT RIGHT SIDE




Draw the isometric axes as shown in 1. the first figure at right making each line 2 inches long. Draw the Vertical “A” line first, then the two horizontal lines “B” and “C.” Add the lines necessary to complete a cube as indicated in the second figure at right. Notes: Hidden lines not normally shown on isometric drawings. Triangles are ¼" on each side.

2" 2"

2"

C

A

B



The figure below shows four isometric views of a small building. Draw two of the 2. isometric views of the small building which between them show the top and the four sides. Use the dimensions 1 inch wide, ¾ inch high, and 1½ inches long.

Right FrontProfile

Left RearProfile

Right RearProfile

Left FrontProfile

Front

Top Top

West Side East SideFront Rear

Top Top

East Side West SideRear



3. Convert the plan and elevation views below to an isometric drawing.

N

East Elevation

Plan



4. Convert the plan and elevation views below to an isometric drawing.

PlanN

South Elevation




Draw a southwest view and a northwest view of the building shown in Figure 12.2. 1. The west side has two windows and the north side has one door.

Northwest

Southwest

N

N



Draw all four Isometric views of the piping in the figure below. 2.

Plan

East Elevation

N

Southeast

Northeast

Southwest

Northwest



N

West Elevation

Draw the southeast and the northwest isometric views of the piping shown in the figure 3. below.



Draw a southeast isometric view of the piping below.4.




1.

Top

Front Right Side

From the multi-view drawings provided, sketch the isometric in a single-line style. Show all fittings. Use approximately the same scale.



2.

T op

F ront R ight S ide




3.

Front

Top

Right Side




4.

Top

Right SideFront




5.

Right SideFront

Top


Questions for Lesson #1C

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