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Machine Design

Machine Design
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

3W/A
W/A
W/2A
2W/A

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Machine Design
For low and moderate speed engines, the cam follower should move with

Uniform acceleration and retardation
Cycloidal motion
Simple harmonic motion
Uniform velocity

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Machine Design
The lower deviation is the algebraic difference between the

Maximum limit and the basic size
Minimum limit and the basic size
None of these
Actual size and the corresponding basic size

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Machine Design
For general industrial machinery, the ratio of the length of journal to its diameter is taken as

3 to 5
5 to 10
1 to 2
0.5 to 1

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Machine Design
In a steam engine, the valve rod is connected to an eccentric rod by means of

Flange coupling
Knuckle joint
Universal joint
Cotter joint

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Machine Design
A chain drive transmits __________ power as compared to belt drive.

Same
None of these
More
Less

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