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Machine Design

Machine Design
A screw is specified by its

Pitch
Major diameter
Minor diameter
Pitch diameter

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Machine Design
The rolling contact bearings as compared to sliding contact bearings have

Accuracy of shaft alignment
Low starting and low running friction except at very high speeds
Small overall dimensions
All of these

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

None of these
Studs
Bolts and nuts
Headless taper bolts

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Machine Design
A steel containing up to 0.15% carbon is known as

Dead mild steel
High carbon steel
Medium carbon steel
Mild steel

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Machine Design
If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio

None of these
Increases
Remains unchanged
Decreases

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Machine Design
The shock absorbing capacity of a bolt can be increased by

Grinding the shank
Tightening it properly
Increasing shank diameter
Making shank diameter equal to core diameter of thread

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