Theory of Machine
In multi V-belt transmission, if one of the belt is broken, we have to change the

Broken belt
There is no need of changing any one as remaining belts can take care of transmission of load
All the belts
Broken belt and its adjacent belts

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Theory of Machine
In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines

None of these
Both (A) and (B)
The algebraic sum of the primary forces must be equal to zero
The algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero

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