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Theory of Machine

Theory of Machine
The number of centers in a crank driven slider crank mechanism is

6
4
2

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Theory of Machine
If the pressure angle is __________, a reciprocating follower will jam in its bearings.

Too small
Too large
Large
Small

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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
Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts?

Mechanisms
Applied mechanics
Kinetics
Theory of machines

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Theory of Machine
The mechanism in which two are turning pairs and two are sliding pairs, is called a

Scotch yoke mechanism
All of these
Elliptical trammel
Double slider crank chain

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Theory of Machine
The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load)

0.5615/√δ
0.6253/√δ
0.571/√δ
0.4985/√δ

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