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Machine Design

Machine Design
The shock resistance of steel is increased by adding

Nickel and chromium
Cobalt and molybdenum
Chromium
Nickel

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Machine Design
The smallest diameter of an external or internal screw thread is known as

Minor diameter
Major diameter
None of these
Pitch diameter

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

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

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Machine Design
The design of the pressure vessel is based on

None of these
Longitudinal stress
Hoop stress
Longitudinal and hoop stress

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Machine Design
Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

Yield strength
Shear strength
Elastic strength
None of these

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Machine Design
In a flange coupling, the flanges are coupled together by means of

None of these
Headless taper bolts
Bolts and nuts
Studs

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