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Machine Design

Machine Design
The constant factor in case of R10 series of preferred numbers is

1.12
1.06
1.26
1.58

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Machine Design
The distribution of the forces along the length of key fitted in a shaft

Is uniform throughout
Varies exponentially, being less near the torque-input end
Varies exponentially, being more near the torque-input end
Varies linearly

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Machine Design
In static loading, stress concentration is more serious in

Ductile materials
Elastic materials
Brittle as well as ductile materials
Brittle materials

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Machine Design
A riveted joint is a __________ fastening.

Temporary
Permanent
None of these
Either A or B

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Machine Design
For steel, the ultimate strength in shear as compared to ultimate strength in tension is

43833
43864
43834
43832

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

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

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