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Theory of Machine

Theory of Machine
In a shaper mechanism, the Coriolis component of acceleration will

Not exist
None of these
Depend on position of crank
Exist

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Theory of Machine
When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be

ω²r. n/(n + 1)
ω²r. (n - 1)/n
ω²r. (n + 1)/n
ω²r. n/(n - 1)

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Theory of Machine
Module of a gear is

T/D
2T/D
2D/T
D/T

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Theory of Machine
The Coriolis component of acceleration acts

Parallel to the sliding surface
At 45° to the sliding surface
Perpendicular to the sliding surface
Along the sliding surface

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Theory of Machine
A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is

Kinematically sound
Data is not sufficient to determine same
Soundness would depend upon which link is kept fixed
Not sound

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Theory of Machine
The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

ω² r₁ sinθ
ω² (R - r₁) cosθ
ω² R cosθ
ω² (R - r₁) sinθ

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