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Practice Test: Mechanical Engineering (ME)- 3 - Mechanical Engineering MCQ
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30 Questions MCQ Test - Practice Test: Mechanical Engineering (ME)- 3
Practice Test: Mechanical Engineering (ME)- 3 for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Practice Test: Mechanical Engineering (ME)- 3 questions and answers have been prepared
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Practice Test: Mechanical Engineering (ME)- 3 - Question 1
Choose the word or phrase which is nearest in meaning to the key word Lethargy
Practice Test: Mechanical Engineering (ME)- 3 - Question 2
The following question comprise two words that have a certain relationship between them followed by four pairs of words. Select the pair that has same relationship as the original pair of words.
Break : Piece
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Practice Test: Mechanical Engineering (ME)- 3 - Question 3
Replace the phrase printed in bold to make it grammatically correct ?
"Even though many companies" are now penetrating rural India, it would help to give India a real chance of witnessing a double digit GDP growth.
"Even though many companies" are now penetrating rural India, it would help to give India a real chance of witnessing a double digit GDP growth.
Practice Test: Mechanical Engineering (ME)- 3 - Question 4
Which one of the following represents open thermodynamic system?
Practice Test: Mechanical Engineering (ME)- 3 - Question 5
What is the deformation or dynamic factor if sum of errors on meshing teeth of steel pinion and gear is 32 x 10-3 mm?
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Practice Test: Mechanical Engineering (ME)- 3 - Question 6
Chirag decided to give 12% of his salary to his younger brother as a pocket money. But he gave 1260 Rs which was 60% of what he had decided earlier. How much is Chirag’s salary?
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Practice Test: Mechanical Engineering (ME)- 3 - Question 7
Two pipes can fill a tank in 15 minutes and 25 minutes respectively. Both the pipes are opened together and after some time, the first pipe is closed and the tank is completely full in 15 minutes. For how many minutes is the first pipe opened?
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Practice Test: Mechanical Engineering (ME)- 3 - Question 8
A and B are required to solve a problem independently. If 1/2 and 1/3 are their respectively probabilities of solving the problem, then the probability that atleast one of them solves the problem.
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Practice Test: Mechanical Engineering (ME)- 3 - Question 9
What is the probability that a leap year has 53 Sundays and 52 Mondays?
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Practice Test: Mechanical Engineering (ME)- 3 - Question 10
A certain sum of money is invested for one year at a certain rate of simple interest. If the rate of interest is 3% higher, then the interest earned will be 25% more than the interest earned earlier. What is the earlier rate of interest ?
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 3 - Question 10
is
Practice Test: Mechanical Engineering (ME)- 3 - Question 12
Suppose f(x) = 
If 
f(x) = f(1), the possible values of a and b are
If f(x) = f(1), the possible values of a and b are
Practice Test: Mechanical Engineering (ME)- 3 - Question 13
On her vacations, Katrina visits four cities (A, B, C and D) in a random order. The probability that she visits A either first or second place is
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 3 - Question 14
has
Practice Test: Mechanical Engineering (ME)- 3 - Question 16
A work piece of 150 cm length and 40 cm width is machined by planning operation with a feed of 0.3 mm/stroke. The machine tool executes 10 double strokes/min. The planning time (in min) for a single pass is
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 3 - Question 16
Practice Test: Mechanical Engineering (ME)- 3 - Question 17
Which one of the following is the correct relationship between the boundary layer thickness d, displacement thickness 
and the momentum thickness q?
and the momentum thickness q?
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Practice Test: Mechanical Engineering (ME)- 3 - Question 18
Using Johnsons' rule, find the optimal sequence
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Practice Test: Mechanical Engineering (ME)- 3 - Question 19
The maximum interference in mm after assembly between a bush of size 30+0.06+0.03 and a shaft of size 30+0.04+0.02 is
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Practice Test: Mechanical Engineering (ME)- 3 - Question 20
In a gas turbine operating on Brayton cycle with intercooling
1. Efficiency of cycle increases
2. Work ratio increases
3. Compressor work decreases
Which of the above statements are true
1. Efficiency of cycle increases
2. Work ratio increases
3. Compressor work decreases
Which of the above statements are true
Practice Test: Mechanical Engineering (ME)- 3 - Question 21
A glass plate at 
is heated by passing hot air over it with a convection co-efficient of 18 
K. If the temperature change over the thickness is not to exceed 
to avoid damage, the maximum allowable temperature 
of the air will be. (Thermal conductivity of the plate matrial is 1.9 W/mK.). Thickness of plate is 1 mm.
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Practice Test: Mechanical Engineering (ME)- 3 - Question 23
A single radial ball bearing of base diameter of 55 mm and subject to a radial load of 22 kN. The shaft rotates at 600 rpm. assume f = 0.0015 The frictional torque in N.m. is
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 3 - Question 23
Practice Test: Mechanical Engineering (ME)- 3 - Question 24
During a non-flow isothermal reversible expansion, 1 kmol of 
at 350 k expands from 0.06 
to 0.15 
Use Vander waals equation to determine 
Final pressure of gas
at 350 k expands from 0.06 to 0.15 Use Vander waals equation to determine Final pressure of gas
Practice Test: Mechanical Engineering (ME)- 3 - Question 25
During a non-flow isothermal reversible expansion, 1 kmol of 
at 350 k expands from 0.06 
to 0.15 
.Use Vander waals equation to determine 
Work done during process
at 350 k expands from 0.06 to 0.15 .Use Vander waals equation to determine Work done during process
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 3 - Question 25
Practice Test: Mechanical Engineering (ME)- 3 - Question 26
Equation of motion for single degree of freedom system is 
Where x is displacement from mean position. Which of following is true
Where x is displacement from mean position. Which of following is true
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Practice Test: Mechanical Engineering (ME)- 3 - Question 27
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
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Practice Test: Mechanical Engineering (ME)- 3 - Question 28
Rod of length l slides down along the inclined wall as shown. At the instant shown, the speed of end A is v, then the speed of B will be:-
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 3 - Question 28
Subject to
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Practice Test: Mechanical Engineering (ME)- 3 - Question 30
The mechanical efficiency of a single cylinder four stroke engine is 80%. If the break power is estimated to 100 KW, the frictional power will be
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