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Machine Design

Machine Design
Rankine's theory is used for

Ductile materials
Brittle materials
Elastic materials
Plastic materials

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Machine Design
A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel.

Less than
Equal to
Greater than
None of these

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Machine Design
In nitrated parts, the origins of the fatigue cracks will occur at

Just below the surface
None of these
Within the core
Surface

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Machine Design
Tensile strength of a mild steel specimen can be roughly predicted from following hardness test

None of these
Brinell
Vickers
Rockwell

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Machine Design
Which of the following spring is used in mechanical wrist watch?

Torsion spring
Spiral spring
Helical compression spring
Belleville spring

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

43832
43833
43834
43864

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