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Machine Design

Machine Design
A riveted joint is a __________ fastening.

Temporary
Permanent
Either A or B
None of these

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Machine Design
Pick up wrong statement. Fatigue strength can be increased by

Shot peening
Grinding and lapping surface
Hot working
Cold working

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Machine Design
Screws used for power transmission should have

Strong teeth
Low efficiency
High efficiency
Very fine threads

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Machine Design
A V-belt designated as B 4430 LP has

4430 mm as diameter of large pulley
4430 mm as centre distance between pulleys
4430 mm as diameter of small pulley
4430 mm as nominal pitch length

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Machine Design
The value of stress concentration factor depends upon

None of these
Geometry of the part
Material and geometry of the part
Material of the part

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Machine Design
The material generally used for aircraft components is

High speed steel
Aluminium
Stainless steel
Mild steel

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