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Discussion
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Mechanical Engineering
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Engineering Mechanics
See What Others Are Saying!
Question
The bodies which rebound after impact are called
Options
A. inelastic bodies
B. elastic bodies
C. neither elastic nor inelastic bodies
D. none of these
Correct Answer
elastic bodies
More questions
1. The advantage of double-wishbone suspension design is that a large amount of freedom is available for setting geometry and precise settings can be made for driving comfort and steerability,
Options
A. Correct
B. Incorrect
Show Answer
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Discuss
Correct Answer: Correct
2. The amount of water evaporated or steam produced in kg per kg of fuel burnt is known as power of a boiler.
Options
A. True
B. False
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Correct Answer: True
3. The cooling of air, without any change in its specific humidity, is known as sensible cooling.
Options
A. Correct
B. Incorrect
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Correct Answer: Correct
4. A jet engine has
Options
A. no propeller
B. propeller in front
C. propeller at back
D. propeller on the top
Show Answer
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Correct Answer: no propeller
5. A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body.
Options
A. True
B. False
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Correct Answer: True
6. One stoke is equal to
Options
A. 10
-2
m
2
/s
B. 10
-3
m
2
/s
C. 10
-4
m
2
/s
D. 10
-6
m
2
/s
Show Answer
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Correct Answer: 10
-4
m
2
/s
7. For a beam, as shown in the below figure, when the load
W
is applied in the centre of the beam, the maximum deflection is
Options
A.
B.
C.
D.
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Correct Answer:
8. The centre of gravity of a hemisphere lies at a distance of 3
r
/ 8 from its base measured along the vertical radius.
Options
A. Correct
B. Incorrect
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Correct Answer: Correct
9. The tool may fail due to
Options
A. cracking at the cutting edge due to thermal stresses
B. chipping of the cutting edge
C. plastic deformation of the cutting edge
D. all of these
Show Answer
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Correct Answer: all of these
10. The main cause for the change in engine oil viscosity is
Options
A. humidity
B. temperature
C. vibration
D. contamination
Show Answer
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Correct Answer: temperature
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