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Theory of Machine

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

Small
Too large
Too small
Large

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Theory of Machine
Klein's construction can be used to determine acceleration of various parts when the crank is at

Right angles to the link of the stroke
Outer dead centre
All of the listed here
Inner dead centre

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Theory of Machine
The factor which affects the critical speed of a shaft is

Eccentricity
All of the listed here
Span of shaft
Diameter of disc

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Theory of Machine
A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is

3
4
5
2

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Theory of Machine
The Klein's diagram is used when

Crank has uniform angular velocity
Crank has uniform angular acceleration
Crank has nonuniform angular velocity
Crank has nonuniform angular acceleration

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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

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

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