Theory of Machine
Coriolis component acts

Somewhere in between above two
Along sliding surfaces
None of these
Perpendicular to sliding surfaces

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

Both (A) and (B)
The algebraic sum of the primary forces must be equal to zero
None of these
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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