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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 10
21.
The instantaneous centres, which moves as the mechanism moves but joints are of permanent nature, are called permanent instantaneous centres.
Yes
No
Answer: Option
Explanation:
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22.
A pair is said to be a kinematic pair, if the relative motion between them is completely or successfully constrained.
Correct
Incorrect
Answer: Option
Explanation:
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23.
The pitching of a ship is assumed to take place with simple harmonic motion.
Yes
No
Answer: Option
Explanation:
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24.
The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load)
Answer: Option
Explanation:
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25.
A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, men due to centrifugal force
the reaction on me inner wheels increases and on the outer wheels decreases
the reaction on the outer wheels increases and on the inner wheels decreases
the reaction on the front wheels increases and on the rear wheels decreases
the reaction on the rear wheels increases and on the front wheels decreases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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