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THEORY OF MACHINE

Theory of Machine
Oldham’s coupling is an inversion of the kinematic chain used in

Whitworth quick return mechanism
Universal joint
Rotary engine
Elliptical trammels

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Theory of Machine
The Coriolis component of acceleration depends upon

Both (A) and (B)
Velocity of slider
Angular velocity of the link
None of these

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Theory of Machine
The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body)

l₂ = kG
l₁l₂ = kG
l₁l₂ = kG²
l₁ = kG

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Theory of Machine
The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

Horizontally and parallel
Vertically and parallel
Vertically and perpendicular
Horizontally and perpendicular

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Theory of Machine
The Ackermann steering mechanism is preferred to the Davis type in automobiles because

The former is mathematically accurate
The former is most rigid
The former is most economical
The former is having turning pair

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