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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

10°-15°
30°-40°
15°-25°
25°-30°

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

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

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Theory of Machine
The pair is known as a higher pair, when the relative motion between the elements of a pair is

Turning only
Sliding only
Partly turning and partly sliding
Rolling only

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Theory of Machine
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

(m + M)/m
m/(m + M)
(m + M)/M
M/(m + M)

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Theory of Machine
A shaft carrying three rotors will have

Three nodes
One node
Two nodes
No node

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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

50°- 60°
60°-70°
70°- 80°
80°- 90°

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