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Theory of Machine

Theory of Machine
The lower pairs are _________ pairs.

Friction closed
Self-closed
None of these
Force-closed

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Theory of Machine
Which of the following has sliding motion?

Cross-head
Crank pin
Connecting rod
Crank

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

r/2πk. √(g/l)
r/2πk. √(l/g)
2πk/r. √(g/l)
2πr/k. √(g/l)

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Theory of Machine
Scotch yoke mechanism is used to generate

Square roots
Sine functions
Inversions
Logarithms

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Theory of Machine
Pulley in a belt drive acts as

Rolling pair
Sliding pair
Cylindrical pair
Turning pair

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

kG² + l₁
(kG² + l₁²)/ l₁
(kG + l₁²)/ l₁
kG + l₁

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