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Theory of Machine

Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Machine
Inversion
Mechanism
Structure

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Theory of Machine
When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration.

Smaller OR Larger
Smaller
None of the listed here
Larger

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Theory of Machine
In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called

Steam lap
None of these
Lead
Exhaust lap

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Theory of Machine
The ratio of maximum fluctuation of speed to the mean speed is called

None of these
Maximum fluctuation of speed
Fluctuation of speed
Coefficient of fluctuation of speed

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Theory of Machine
When a slider moves on a fixed link having curved surface, their instantaneous centre lies

At the centre of circle
On their point of contact
At the pin joint
At the centre of curvature

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Theory of Machine
Which of the following is an open pair?

Journal bearing
Lead screw and nut
Cam and follower
Ball and socket joint

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