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Machine Design

Machine Design
The material commonly used for crane hooks is

Aluminium
Wrought iron
Cast iron
Mild steel

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Machine Design
The size of a gear is usually specified by

Diametral pitch
Pitch circle diameter
Circular pitch
Pressure angle

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Machine Design
The shear modulus of resilience is proportional to

(Shear stress)²
Shear stress
(Shear stress)3
(Shear stress)⁴

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Machine Design
The objective of idler pulley in belt drive is to

Increase the wrap angle and belt tension
Decrease the tendency of belt to slip
Increase the power transmission capacity
All the above objectives

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

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

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

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

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