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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

30°-40°
25°-30°
15°-25°
10°-15°

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

60°-70°
80°- 90°
70°- 80°
50°- 60°

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Theory of Machine
A completely constrained motion can be transmitted with.

2 links with pin joints
3 links with pin joints
4 links with pin joints
1 link with pin joints

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Theory of Machine
The main disadvantage of the sliding pair is that it is

Both (A) and (B) above
Difficult to manufacture
Wears rapidly
Bulky

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Theory of Machine
The frequency of oscillation of a torsional pendulum is

2πr/k. √(g/l)
r/2πk. √(g/l)
2πk/r. √(g/l)
r/2πk. √(l/g)

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Theory of Machine
In a pantograph, all the pairs are

Sliding pairs
Self-closed pairs
Turning pairs
Spherical pairs

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