Machine Design
Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth)

0.124 - (0.684/T)
None of these
0.154 - (0.912/T)
0.175 - (0.841/T)

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Machine Design
When the belt is transmitting maximum power,

None of these
The tension in tight side is thrice the centrifugal tension
The tension in tight side is twice the centrifugal tension
The tension in slack side is equal to the centrifugal tension

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