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THEORY OF MACHINE

Theory of Machine
The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is

h/(kG² + h²)
h²/(kG² + h²)
(kG² + h²)/h²
(kG² + h²)/h

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Theory of Machine
The frequency of oscillation of a compound pendulum is

(1/2π). √[gh/(kG² + h²)]
2π. √[(kG² + h²)/gh]
(1/2π). √[(kG² + h²)/gh]
2π. √[gh/(kG² + h²)]

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Theory of Machine
The minimum periodic time of a compound pendulum is

(1/2π). √(kG/g)
(1/2π). √(2kG/g)
2π. √(kG/g)
2π. √(2kG/g)

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Theory of Machine
In involute gears, the pressure angle is

Always variable
Dependent on the size of gears
Dependent on the size of teeth
Always constant

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Theory of Machine
In order to balance the reciprocating masses,

Secondary forces and couples must be balanced
Primary forces and couples must be balanced
Both (A) and (B)
None of these

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