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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 8
21.
When no external force acts on a body, after giving it an initial displacement, the body is said to have free vibrations.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which of the following is an example of sliding pair?
Piston and cylinder of a reciprocating steam engine
Shaft with collars at both ends fitted into a circular hole
Lead screw of a lathe with nut
Ball and a socket joint
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The coriolis component of acceleration exists whenever apoint moves along a path that has
linear displacement
rotational motion
gravitational acceleration
tangential acceleration
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
In a steam engine, the distance by which the inner edge of the D-slide valve overlaps the steam port is called lead.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
A shaft of mass (mc)and stiffness (s) is fixed at one end and carries a mass (m) at the other end. The natural frequency of its transverse vibration is same as for longitudinal vibration.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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