Machine Design
In skew bevel gearing, the axes of shafts are

None of these
Non-intersecting and nonparallel and the teeth are curved
Intersecting and the teeth are curved
Non-intersecting and non-parallel and the teeth are straight

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Machine Design
The shear stress at a point in a shaft subjected to a torque is

Directly proportional to the applied torque and inversely proportional to the polar moment of inertia
Inversely proportional to the applied torque and the polar moment of inertia
Directly proportional to the polar moment of inertia and to the distance of the point from the axis
Directly proportional to the applied torque and the polar moment of inertia

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