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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 10
16.
Two pulleys of radii r1 and r2 and at distance x apart are connected by means of an open belt drive. The length of the belt is
Answer: Option
Explanation:
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17.
The centre of percussion is below the centre of gravity of the body and is at a distance equal to
h/kG
h2/kG
kG2/h
h x kG
Answer: Option
Explanation:
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18.
A governor is said to be isochronous when range of speed is zero for all radii of rotation of the balls within the working range, neglecting friction.
Yes
No
Answer: Option
Explanation:
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19.
An overdamped system, when disturbed from the equilibrium position, will not cross the equilibrium position.
Right
Wrong
Answer: Option
Explanation:
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20.
The efficiency of a screw jack is dependent upon the load raised or lowered.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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