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Machine Design

Machine Design
The yield point in static loading is __________ as compared to fatigue loading.

Same
Lower
None of these
Higher

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Machine Design
When two helical springs of equal lengths are arranged to form a cluster spring, then

Only A is correct
Shear stress in each spring will be equal
Load taken by each spring will be half the total load
Both A and B is correct

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Machine Design
The design of the pressure vessel is based on

Longitudinal and hoop stress
Hoop stress
None of these
Longitudinal stress

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Machine Design
Creep in belt is due to

Material of the pulley
Uneven extensions and contractions due to varying tension
Material of the belt
All of these

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Machine Design
In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by

Decreasing the cross-section area of bar
Increasing the cross-section area of bar
Remain unaffected with cross-section area
Would depend upon other factors

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Machine Design
In skew bevel gearing, the axes of shafts are

Intersecting and the teeth are curved
None of these
Non-intersecting and non-parallel and the teeth are straight
Non-intersecting and nonparallel and the teeth are curved

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