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Machine Design

Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

p.t.σt
(p - d) t.σt
(p - d) σt
p.d.σt

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

Equal to
None of these
Greater than
Less than

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Machine Design
The expression 0.175 - 0.841/T is the Lewis form factor for

20° full depth involute system
20° stub system
None of these
14½° composite and full depth involute system

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Machine Design
The maximum shear stress theory is used for

Brittle materials
Nonferrous materials
Plastic materials
Ductile materials

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Machine Design
The included angle between the sides of V-belt is

60°
45°
38°
40°

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Machine Design
Which of the following is not correct procedure to increase the fatigue limit?

Under stressing
Surface decarburisation
Cold working
Shot peening

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