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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
The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force)

3 Pc
2 Pc
Pc/3
1 Pc

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Machine Design
In leaf springs, the longest leaf is known as

None of these
Master leaf
Lower leaf
Upper leaf

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Machine Design
Stress concentration in static loading is more serious in

Depends on other factors
Ductile materials
Equally serious in both cases
Brittle materials

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Machine Design
For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

10
8
4
6

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Machine Design
A shaft coupling should

All of these
Transmit full power of the shaft
Hold the shafts in perfect alignment
Be easy to connect or disconnect

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