Theory of Machine
The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

ω(R - r₁) sinθ
ωR cosθ
ω(R - r₁) cosθ
ωr₁ sinθ

ANSWER DOWNLOAD EXAMIANS APP

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

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
Both (A) and (B)

ANSWER DOWNLOAD EXAMIANS APP