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SCORE CARD TIME MANAGEMENT QUESTIONS REPORT SOLUTION

Solution Report For ME DEMO TEST : Basic LevelRepresent whole test solution with correct and incorrect answers.

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Q. No

Question Status

Q.1

Not Attempt Correct Ans. dSolutionHave any doubt?FAQ?

What is the value of the following expression?

a. 21024b. 22032c. 22302d. 22048

REPORTS

NEWS

Q.2

Attempt Incorrect Your Ans. d Correct Ans. bSolutionHave any doubt?FAQ?

In the given sentence, one word is written in bold letters in the box. Which of the options given below cannot be used to replace the word in BOLD letters?The seasoned stage artist easily portrayed the nuances of this complex character.

a. shadesb. passionc. subtletiesd. finer points

Q.3

Attempt Correct Correct Ans. dSolutionHave any doubt?FAQ?

In the sentence given below, two words are missing. Identify the correct option from the given options to complete the sentence:_________ by its inability legally to confiscate a contraband shipment from an insurgent country that was intercepted by the Coast Guards earlier this year, the government decided to set up a new _______ to crackdown on such trade.

a. Crestfallen, royalb. Appalled, perilousc. Stumped, unprecedentedd. Incensed, proscription

Q.4

Not Attempt Correct Ans. cSolutionHave any doubt?FAQ?

Which amongst the following is grammatically correct ?a. Almost nobody is interested in spending time on reading classical

mechanics.b. Almost nobody is interested about spending time on reading classical

mechanicsc. Hardly anybody is interested in spending time reading classical

mechanics.d. Hardly anybody is interested in spending time in reading classical

mechanics.

Q.5

Attempt Incorrect Your Ans. 8 Correct Ans. 9SolutionHave any doubt?FAQ?

All 2 digit numbers are written in ascending order with a vertical line separating every pair of consecutive numbers. The number of these vertical line is ___________.

Q.6


In the following question, there is a main statement followed by 4 answer choices. From the options given, select the one that follows from the main statement.Sonakshi buys either a refrigerator or an air conditioner

a. Sonakshi is not buying a refrigerator implies that she is buying an air conditioner

b. Sonakshi is not buying a air conditioner implies that she is buying an refrigerator

c. Sonakshi is neither buying a refrigerator nor an air conditioner.d. both ‘a’ and ‘b’

Q.7

Attempt Correct Correct Ans. bSolutionHave any doubt?FAQ?

A shopkeeper gives a discount on the marked price based on quantity bought by a customer. Raja bought 10 pieces of a lunch box and was given 10% discount by the shopkeeper. When Radhika bought 20 pieces of the same lunch box, she was given 15% discount by the shopkeeper. In both the cases, the net amount of profit for the shopkeeper was identical. Which of the following is the ratio of marked price to the cost price for the lunch box?

a. 4 : 5b. 5 : 4c. 8 : 7d. 4 : 3

Q.8

Attempt Incorrect Your Ans. c Correct Ans. aSolutionSee your AnswerFAQ?

P and Q are distinct real numbers such that 4 < P < 5 and -9 < Q < -8. Which of the following has the least possible value?

a. P4Qb. 64 PQc. PQ3

d. PQ4

Q.9

Attempt Incorrect Your Ans. b Correct Ans. cSolutionHave any doubt?FAQ?

Rangan is appearing for a practical exam where there are a total of 20 experiments to choose from – names of these experiments are written on slips of paper. Rangan is prepared for 8 of the experiments only. Each student is asked to draw a slip and asked to perform the experiment written on the slip. What is the probability of getting an experiment known to Rangan if he is 2nd in sequence?

a. 0.3b. 0.8c. 0.4d. 0.5

Q.10

Attempt Incorrect Your Ans. .36 Correct Ans. 41SolutionHave any doubt?FAQ?

Given below is information related to installed capacity and generation of electricity in India for a specific year:

The closest integral value of capacity utilization for the entire country in the year under consideration is ____________ %.[Capacity utilization is the ratio of Electricity generated per hour and Installed capacity. Assume that all plants work 365 days a year for 24 hours per day].

Q.11

Attempt Correct Correct Ans. cSolutionHave any doubt?FAQ?

The Miller indices of the direction OM as shown below is

a. (0 1 2)b. (0 2 1)c. (1 2 0)d. (2 0 1)

Q.12

Attempt Incorrect Your Ans. d Correct Ans. aSolutionHave any doubt?FAQ?

A heat engine that receives heat from a furnace at 1500 K and rejects waste heat to river at 300 K, has a thermal efficiency of 40 percent. Second law efficiency (in %) of this engine is

a. 50b. 60c. 55.5d. 25

Q.13

Not Attempt Correct Ans. dSolutionHave any doubt?FAQ?

An ideal gas undergoes a constant temperature process in a closed system. The heat transfer and work respectively, are

a. 0, –CV ΔTb. CV ΔT, 0c. CP ΔT, RΔT

d.

Q.14


For laminar forced convection over a flat plate, if the free stream velocity increases by a factor of 2, the average heat transfer coefficient

a. changes by a factor of 1b. decreases by a factor of c. increases by a factor of d. increases by a factor of 4

Q.15

Attempt Incorrect Your Ans. c Correct Ans. aSolutionHave any doubt?FAQ?

Match List-I (Type of products) with List-II (Type of layout) and select the correct answer using the code given below:

a. ab. bc. cd. d

Q.16

Attempt Incorrect Your Ans. d Correct Ans. aSolutionHave any doubt?FAQ?

Creep strain is

a. Caused due to dead load onlyb. Caused due to live load onlyc. Caused due to cyclic load onlyd. Independent of load

Q.17


Four column of the same material and having identical geometric properties are supported in different ways as shown below:

It is required to arrange these four column in the increasing order of their respective buckling loads. The correct order is given by

a. I, II, III, IVb. III, IV, I, IIc. II, I, IV, IIId. I, II, IV, III

Q.18


In a four bar mechanism as shown, if a force FA is acting at point A in the direction of its velocity VA and a force FB is transmitted to the joint B in the direction of its velocity VB, then the ideal mechanical advantage is

a.b. FB · VA

c.

d.

Q.19

Attempt Incorrect Your Ans. c Correct Ans. bSolutionHave any doubt?FAQ?

The following are the constituent steps in the process of powder metallurgy1. Powder conditioning2. Sintering3. Production of metallic powder.4. Pressing or compacting into the desired shape.Identify the current order in which they have to performed and select the correct answer using the codes given below:

a. 1, 2, 3, 4b. 3, 1, 4, 2c. 3, 1, 2, 4d. 3, 4, 1, 2

Q.20

Attempt Incorrect Your Ans. a Correct Ans. dSolutionHave any doubt?FAQ?

Match List-I (Name of the process) with List-II (Advantage) and select the correct answer using the codes:

a. A-2, B-3, C-5, D-1b. A-4, B-1, C-2, D-3c. A-2, B-1, C-5, D-3d. A-4, B-3, C-2, D-1

Q.21


For fully developed flow of water in a pipe having diameter 0.1 m, velocity 10 cm/s and Kinematic viscosity 10–5 m2/s, the value of darcy friction factor is

a. 0.64b. 0.16c. 0.064d. 0.016

Q.22

Attempt Correct Correct Ans. aSolutionHave any doubt?FAQ?

A wheel of radius 10 cm can rotate freely about its centre. A string is cropped over its rim and is pulled by a force of 5N. It is found that torque produces an angular acceleration 2 rad/s2 in wheel. The moment of inertia of the wheel is

a. 0.25 kg m2

b. 0.5 kg m2

c. 0.75 kg m2

d. 1 kg m2

Q.23


A pair of fair dice is thrown independently three times. The probability of getting a score of exactly ‘9’ twice is

a.

b.

c.

d.

Q.24


The solution of the differential equation yd x + (x + x2y)dy = 0 is

a.

b.

c.d. logy = Cx

Q.25

Attempt Incorrect Your Ans. a Correct Ans. dSolutionHave any doubt?FAQ?

where w and z are complex numbers

a. a circleb. an ellipsec. a parabolad. a straight line

Q.26

Attempt Correct Correct Ans. 7.85SolutionHave any doubt?FAQ?

If the material of key and shaft is same, and the width of key is one fourth of the diameter of shaft, then the length of key will be __________ cm.[Given shaft diameter, d = 5 cm]

Q.27

Attempt Correct Correct Ans. 140SolutionHave any doubt?FAQ?

Heat transfer (in kJ/kg) for the reversible steady flow process 1 - 3 shown in figure below is_________ (kJ/kg).

Q.28


For a diesel cycle, the clearance ratio is 10% and cut off takes place at 5% of stroke. The efficiency of the cycle is _____________ %.

Q.29

Attempt Incorrect Your Ans. 56 Correct Ans. - 932SolutionHave any doubt?FAQ?

An inverted U-tube is connected across two pipes A and B carrying fluids as shown. What will be the pressure difference between the centre lines of the pipes _____________ N/m2.

Q.30


The below figure shows a four for mechanism. If the radial acceleration of the point C is 5 cm/s2, the length of the link CD is ____________ cm.

Q.31


In a pure rolling the draft is increased by 100% and diameter of the roll is also increased by 100%, the bite will increase by ____________ %.

Q.32


Lubricating oil (ρ = 865 kg/m3, k = 0.14 W/m-K, cp = 1.78 kJ/kg-K and ν = 9 × 10–6 m2/s) at 60°C enters a 1 cm diameter tube with a velocity of 3.5 m/s. The Prandtl number will be __________.

Q.33

Attempt Incorrect Your Ans. 25 Correct Ans. 15.07SolutionHave any doubt?FAQ?

The minimum number of teeth on the pinion to avoid interference when the addendum for stub teeth is 0.84 module, the pressure angle φ = cos–1 0.95 and the gear ratio is 3 to 1 will be ___________.

Q.34


The probability that A speaks truth is 4/5, while this probability for B is 3/4. The probability that they contradict each other when asked to speak on a fact is ___________.

Q.35


Q.36

Not Attempt Correct Ans. bSolutionHave any doubt?FAQ?

Saturated ammonia at 0.2365 MPa enters a single acting compressor and liquid ammonia at 21°C enters the expansion valve of a refrigerating plant.If head pressure is 1.1638 MPa, then the COP of the refrigerating cycle is:Given: CP (Liquid NH3) = 4.6 kJ/kgK ; CP (Vapour NH3) = 2.75 kJ/kgK

a. 5.49b. 4.94c. 4.14d. 6.14

Q.37


A mild steel plate 400 mm × 800 mm × 30 mm is to be shaped along its wider face. The ratio of return time to cutting time is 2 : 3 and the feed per cycle is 2 mm. Tool approach and overtravel respectively are 50 mm latch and cutting speed of tool is 24 m/min. The machining time required for machining the given plate with WSS tool will be

a. 5 minb. 20 minc. 13 mind. 17 min

Q.38

Attempt Incorrect Your Ans. a Correct Ans. cSolutionHave any doubt?FAQ?

A petrol engine has a bore of 10 cm and a stroke of 15 cm. The work done is 1000 joules. If the clearance volume is 200 cc then the heat added will be:

a. 2060 Joulesb. 1960 Joulesc. 1860 Joulesd. 1760 Joules

Q.39

Attempt Incorrect Your Ans. d Correct Ans. bSolutionHave any doubt?FAQ?

In an orthogonal cutting test on mild steel, the following data were obtained. cutting speed : 40 m/min depth of cut : 0.3 mm tool rake angle : 5° chip thickness : 1.5 mm cutting force : 900 N Thrust force : 450 NUsing merchant’s analysis’s the friction angle during machining will be

a. 26.6°b. 31.5°c. 45°d. 63.4°

Q.40


Air at a rate of 15 kg/min flows steadily in a pipe with a velocity of 25 m/s at 300 kPa and 350 K.The rate of flow energy (kW) and rate of energy transport (in kW) by mass respectively, are[Take, for air R = 0.287 kJ/kgK, and CP = 1.008 kJ/kgK (at 350 K)]

a. 16.25 and 32.50b. 25.11 and 88.27c. 25.11 and 44.25d. 52.24 and 88.27

Q.41


A piece of material is subjected to two mutual perpendicular tensile stresses and strains in the two directions are in the ratio 3 : 4. If the value of Poisson’s ratio is 0.25 and greatest stress is 90 N/mm2, then Volumetric strain is[E = 200 GPa]

a. 0.15 × 10–3b. 0.25 × 10–3c. 0.35 × 10–3d. 0.45 × 10–3

Q.42


A solid shaft of 250 mm diameter has the same cross-sectional area as the hollow shaft of same material with inside diameter of 200 mm. These two shafts are rotating with same angular velocity and stressed to same intensity. The ratio of power transmitted in the two shaft will be

a. 0.56b. 5.67c. 1.78d. 1.11

Q.43

Not Attempt Correct Ans. aSolutionHave any doubt?FAQ?

In the cantilever beam PQR shown in figure below, the segment PQ has flexural rigidity EI and the segment QR has infinite flexural rigidity

The deflection and slope of the beam at Q are respectively

a.

b.

c.

d.

Q.44


Match List-I with List-II and select the correct answer using the code given below:

a. ab. bc. cd. d

Q.45


Manning formula for velocity of flow V in uniform flow in a open channel is written as

Where R = hydraulic radius, S0 = bed slope and n = Manning’s coefficient. The dimensions of ‘n’ is

a. [L-2/3T]b. [L-2/3T2]c. [L-1/3T]d. [LT1/3]

Q.46


Oil of viscosity 0.97 poise and relative density 0.9 is flowing in a horizontal circular pipe of diameter 100 mm and of length 10. If 100 kg of oil is collected at the outlet of the pipe in 30s, the difference is pressure at the two ends of the pipe, assuming the flow as laminar will be?[ρwater = 998 kg/m3]

a. 467 Pab. 2934 Pac. –1467 Pad. –2934 Pa

Q.47


1.80 m wide and 5 m long plate moves through a stationary air of density 1.22 kg/m3 and viscosity 1.8 × 10–4 poise at a velocity of 1.75 m/s parallel to its length. The drag force on one side of the plate assuming turbulent flow conditions is?

a. 0.043 Nb. 0.087 Nc. 0.056 Nd. 0.093 N

Q.48


The figure shown a body of mass m moving with a velocity v = 10 m/s, under the action of the forces as shown below. If the coefficient of friction between the body and the ground is m, the work done by the forces on the body per second?

a. [μ(mg + 100) + 200] 10 Nmb. μ[(mg + 100) – 200] 10 Nmc. –[μ(mg + 100) + 200] 10 Nmd. –[μ(mg + 100) – 200] 10 Nm

Q.49


A heat pump is used to maintain a house at 24°C by extracting heat from outside environment which is at 4°C. The house is estimated to lose heat at a rate of 110,000 kJ/h, and heat pump consumes 5 kW of electric power. Which of the following statement is correct regarding the above said heat pump?

a. this heat-pump is powerful enough to do this jobb. this heat pump is not powerful enough to do this jobc. this heat pump cycle is not possibled. None of the above

Q.50


In the given following pairs of hole and shaft which one represent interference fit

a. Pair 1 and 2b. Pair 2 and 3c. Only pair 2d. Pair 1, 2 and 3

Q.51


Which of the following is true regarding involute teeth?A: Pressure angle is constant throughout the engagement of teeth.B: Two convex surface are in contact.C: Teeth have radial flanks and are weaker.D: A little variation in centre distance does not affect the velocity ratio.

a. A, B and Cb. A and Bc. A and Cd. A, B, C and D

Q.52

Not Attempt Correct Ans. bSolutionHave any doubt?FAQ?

Vibrating system consists of a mass of 50 kg, a spring with a stiffness of X kN/m and a damper. The damping provided is 20% of the critical value. The ratio of two consecutive amplitude is 3.6. The damped frequency is 24 rad/s. Then X is

a. 15 kN/mb. 30 kN/mc. 45 kN/md. 60 kN/m

Q.53

Attempt Incorrect Your Ans. c Correct Ans. aSolutionHave any doubt?FAQ?

Consider a signal x(t) given by , then

x(t) is given by

a.

b.

c.

d.

Q.54

Attempt Incorrect Your Ans. b Correct Ans. dSolutionHave any doubt?FAQ?

Let . The only correct statement about the matrix

A is

a. A–1 does not existb. A = (–1) I, where I is a unit matrixc. A is a zero matrixd. A2 = I

Q.55

Attempt Incorrect Your Ans. c Correct Ans. bSolutionHave any doubt?FAQ?

a.b. πc. 0d. 2 π

Q.56


A frictionless piston-cylinder device initially contains air at 100 kPa and 0.25 m3. At this state, a linear spring (F ∝ x) is just touching the piston but exerts no force on it. The air is now heated to final state of 0.75 m3

and 800 kPa. Workdone against the spring is ____________ kJ.

Q.57

Attempt Incorrect Your Ans. .9866 Correct Ans. 162.2SolutionHave any doubt?FAQ?

The pitch circles of a train of a spur gears are shown below. Gear A is running at 1000 rpm receives 3.5 kW of power through its shaft and rotates in clockwise direction. An idler gear B drives the gear C. The number of teeth on gear A, B and C are 30, 60 and 40 respectively, and the module is 5 mm.

Radial component of force between idler gear B and C is ___________ N.[Assume 20° involute system for the gears]

Q.58


Two dimensional stress tensor at a point is given by a matrix

The maximum shear stress is ____________ MPa.

Q.59


The sale of a product during last four years is tabulated below:

The ratio of forecast for year 2014 using weighted moving average method to simple moving average method is ___________.

Q.60

Attempt Incorrect Your Ans. 31.62 Correct Ans. 1622SolutionHave any doubt?FAQ?

For the velocity field given by , the absolute acceleration at point P (2, 3) is____________ units.

Q.61


A tool with side cutting edge angle of 30° and end cutting edge angle of 10° is used for fine turning with a feed of 1 mm/rev. The nose radius of the tool is 1.25 mm. The maximum height of surface roughness produced will be __________ mm.

Q.62


The melting efficiency in case of arc welding of steel with a potential of 20 V and current of 200 A is to be calculated. The travel speed is 5 mm/s and the cross-sectional area fo the joint is 20 mm2. Heat required to melt steel may be taken as 10 J/mm3 and the heat transfer efficiency as 0.85. The melting efficiency will be _____________.

Q.63

Attempt Incorrect Your Ans. 43982.30 Correct Ans. 128.02SolutionHave any doubt?FAQ?

If the shear strength of the work material is 350 MPa, the force required to pierce a circular hole of diameter 20 mm in a 2 mm thick mild steel plate with the help of flat ended die and punch in a press tool is __________ N.

Q.64


If x is real, the maximum value of is ____________.

Q.65


If A = , then the sum of eigen values of A3 is __________.

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