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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 1
31.
The gears are termed as medium velocity gears, if their peripheral velocity is
1 - 3 m/s
3 - 15 m/s
15 - 30 m/s
30 - 50 m/s
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
For a twin cylinder V-engine, the crank positions for primary reverse cranks and secondary direct cranks are shown in the below figure. The engine is a
30° V-engine
60° V-engine
120° V-engine
150° V-engine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The frequency of damped vibrations with viscous damping is __________ the frequency of undamped vibrations.
more than
less than
same as
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Whitworth quick return motion mechanism consists of three turning pairs and one sliding pair.
Right
Wrong
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a right turn. The effect of gyroscopic couple acting on it will be to raise the stern and lower the bow.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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