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Machine Design

Machine Design
The material commonly used for machine tool bodies is

Brass
Cast iron
Aluminium
Mild steel

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Machine Design
If a material fails below its yield point, failure would be due to

Fatigue
Sudden loading
Creep
Straining

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

sinθ cosθ
1/cosθ
1/sinθ
1/tanθ

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Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

More than
Equal to
Less than
None of these

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Machine Design
The face angle of a bevel gear is equal to

Pitch angle + dedendum angle
Pitch angle - dedendum angle
Pitch angle - addendum angle
Pitch angle + addendum angle

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Machine Design
According to Indian standard specifications, plain carbon steel designated by 40C8 contains carbon

0.20 to 0.40%
0.40 to 0.60%
0.35 to 0.45%
None of these

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