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MACHINE DESIGN

Machine Design
If T₁ and T₂ are the tensions on the tight and slack sides of the belt respectively, and Tc is the centrifugal tension, then initial tension in the belt is equal to

(T₁ - T₂ + Tc)/2
T₁ + T₂ + Tc
(T₁ + T₂ + Tc)/2
T₁ - T₂ + Tc

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Machine Design
The size of a cam depends upon

Prime circle
Base circle
Pitch curve
Pitch circle

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Machine Design
The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is

Smaller
Equal
Larger
Larger/smaller depending on diameter of spring coil

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Machine Design
In a horizontal flat belt drive, it is customary to use

Bottom side of belt as slack side
Top side of belt as slack side
None of these
Idler pulley

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

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

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