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Machine Design

Machine Design
Rankine's theory is used for

Ductile materials
Plastic materials
Elastic materials
Brittle materials

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

Cold working
Grinding and lapping surface
Shot peening
Hot working

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Machine Design
The temperature at which the new grains are formed in the metal is known as

None of these
Upper critical temperature
Lower critical temperature
Recrystallization temperature

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Machine Design
The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for

Reducing stress concentration
Ease of manufacture
Safety
Fullering and caulking

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Machine Design
Shear stress theory is applicable for

Ductile materials
All of these
Brittle materials
Elastic materials

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Machine Design
The rocker arms in internal combustion engines are of__________.

First type levers
Second type levers
Third type levers
None of these

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