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

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Machine Design
The plasticity is the property of a material which enables it to

Retain deformation produced under load permanently
Regain its original shape after deformation when the external forces are removed
Draw into wires by the application of a tensile force
Resist fracture due to high impact loads

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Machine Design
Tapered roller bearings can take

Both radial and axial loads and the ratio of these being greater than unity
Both radial and axial loads and the ratio of these being less than unity
Radial load only
Axial load only

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