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Machine Design

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

43832
43864
43833
43834

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Machine Design
In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to

Decrease the key length
Increase the key depth
Increase the key length
Increase the key width

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Machine Design
A hot short metal is

Brittle when hot
Ductile at high temperature
Brittle when cold
Brittle under all conditions

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Machine Design
Buttress threads are usually found on

Railway carriage couplings
Screw cutting lathes
Spindles of bench vices
Feed mechanisms

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Machine Design
A riveted joint is a __________ fastening.

Permanent
Temporary
Either A or B
None of these

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Machine Design
A connecting rod is designed as a

All of these
Long column
Short column
Strut

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