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Theory of Machine

Theory of Machine
In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from

25°-30°
10°-15°
30°-40°
15°-25°

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Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

3, 1
2, 2
4, 0
1, 3

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Theory of Machine
According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle

A triangle
A straight line
Two lines
A point

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Theory of Machine
The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

Outer edge
Inner edge
None of these
Corners

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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
None of the listed here
Smaller OR Larger
Larger

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Theory of Machine
A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is

52.92 N-s/m
18.52 N-s/m
1.4 N-s/m
529.2 N-s/m

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