Mechanical Engineering - Engineering Mechanics

36.
The impact between two lead spheres is approximately equal to an __________ impact.
elastic
inelastic
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
nine times
six times
four times
two times
Answer: Option
Explanation:
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38.
If a body is thrown upwards, then the gravitational acceleration is taken as zero.
Correct
Incorrect
Answer: Option
Explanation:
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39.
An ideal machine is one whose efficiency is
between 60 and 70 %
between 70 and 80%
between 80 and 90%
100%
Answer: Option
Explanation:
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40.
The energy possessed by a body, for doing work by virtue of its position, is called
potential energy
kinetic energy
electrical energy
chemical energy
Answer: Option
Explanation:
No answer description is available. Let's discuss.