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Machine Design

Machine Design
Rankine's theory is used for

Brittle materials
Elastic materials
Ductile materials
Plastic materials

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Machine Design
The contact ratio for gears is

Greater than one
Zero
None of these
Less than one

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Machine Design
Which one of the following loading is considered for the design of axles?

Combined action of bending moment, twisting moment and axial thrust
Twisting moment only
Bending moment only
Combined bending moment and twisting moments

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

43864
43834
43832
43833

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Machine Design
Surface endurance limit of gear material is dependent upon its

Yield strength
Elastic strength
Brinell hardness number
Toughness

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Machine Design
Which process will increase the fatigue duration of parts?

Electroplating
Finishing and polishing
De-carburisation
Shot-peening

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MORE MCQ ON Machine Design

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