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Machine Design

Machine Design
Rankine's theory is used for

Elastic materials
Ductile materials
Plastic materials
Brittle materials

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Machine Design
Screws used for power transmission should have

Strong teeth
Low efficiency
Very fine threads
High efficiency

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Machine Design
The notch angle of the Izod impact test specimen is

10°
30°
45°
20°

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Machine Design
A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called

Hydrostatic lubricated bearing
Boundary lubricated bearing
Hydrodynamic lubricated bearing
Zero film bearing

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Machine Design
When a metal or alloy is cold worked,

Both (A) and (B)
None of these
It is worked below recrystallization temperature
Its hardness and strength increases

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Machine Design
Guest's theory is used for

Elastic materials
Brittle materials
Ductile materials
Plastic materials

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MORE MCQ ON Machine Design

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