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Machine Design

Machine Design
The difference between the upper limit and lower limit of a dimension is called

Nominal size
Actual size
Tolerance
Basic size

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

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

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Machine Design
A riveted joint is a __________ fastening.

Temporary
None of these
Either A or B
Permanent

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Machine Design
The fatigue life of a part can be improved by

Electroplating
Coating
Shot peening
Polishing

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Machine Design
The material used for brake lining should have __________ coefficient of friction.

None of these
Low
High
Moderate

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Machine Design
Ball bearing type screws are found in following application

Steering mechanism
Aeroplane engines
Crane
Screw jack

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