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Machine Design

Machine Design
Belt slip may occur due to

Driving pulley too small
Heavy load
Loose belt
All of these

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Machine Design
The coefficient of friction between the belt and pulley depends upon the

Speed of belt
Material of belt and pulley
Slip of belt
All of these

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Machine Design
The maximum shear stress theory is used for

Nonferrous materials
Plastic materials
Ductile materials
Brittle materials

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Machine Design
Rankine Gordon formula for buckling is valid for

Long column
Very long column
Short column
Short and long column

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Machine Design
The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for

Reducing stress concentration
Ease of manufacture
Safety
Fullering and caulking

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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

1/sinθ
sinθ cosθ
1/cosθ
1/tanθ

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