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Mechanical Engineering - Theory of machines

Exercise : Theory of machines - Section 9
16.
The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is
Answer: Option
Explanation:
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17.
The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called
radial component
tangential component
coriolis component
none of these
Answer: Option
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18.
The interference may only be avoided if the addendum circles of the two mating gears cut the common tangent to the base circles between the points of tangency.
True
False
Answer: Option
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19.
The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle)
Answer: Option
Explanation:
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20.
When the crank is at the inner dead centre, in a reciprocating steam engine, then the acceleration of the piston will be
Answer: Option
Explanation:
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