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Machine Design

Machine Design
In a flange coupling, the bolts are subjected to

Compressive stress
Tensile stress
None of these
Shear stress

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Machine Design
According to Indian standard specifications, 100 H6/g5 means that the

Actual size is 100 mm
Basic size is 100 mm
Difference between the actual size and basic size is 100 mm
None of these

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Machine Design
The coefficient of friction in belt drive depends upon

Belt velocity
Materials of belt and pulley
Material of pulley
Material of belt

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Machine Design
Belt slip may occur due to

Driving pulley too small
Heavy load
All of these
Loose belt

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Machine Design
The power transmitted by the belt drive can be increased by

Increasing wrap angle by using idler pulley
All of these
Dressing the belt to increase the coefficient of friction
Increasing the initial tension in the belt

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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

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

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