Theory of Machine
The arrangement is called bevel gearing, when two __________ are connected by gears.

Non-intersecting and non-coplanar shafts
Parallel and coplanar shafts
Intersecting and coplanar shafts
Parallel and non-coplanar shafts

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Theory of Machine
A system of masses rotating in different parallel planes is in dynamic balance if the

Resultant couple is equal to zero
Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero
Resultant force is equal to zero
Resultant force and resultant couple are both equal to zero

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