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Theory of Machine

Theory of Machine
In an ideal machine, the output as compared to input is

Equal
More
May be less or more depending on efficiency
Less

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Theory of Machine
In a reciprocating steam engine, which of the following forms a kinematic link?

Cylinder and piston
Crankshaft and flywheel
Flywheel and engine frame
Piston rod and connecting rod

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Theory of Machine
Which of the following is an inversion of a double slider crank chain?

Elliptical trammel
All of these
Scotch yoke mechanism
Oldham's coupling

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Theory of Machine
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

To raise the bow and stern
To raise the bow and lower the stern
To lower the bow and stern
To raise the stern and lower the bow

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Theory of Machine
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

v²BA /AB
vBA /AB
vBA × AB
v²BA

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Theory of Machine
The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as

Rolling pair
Spherical pair
Sliding pair
Turning pair

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