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Question

`omega` rad/sec is the angular velocity of a crank whose radius is r. If it makes `theta^circ` with inner dead centre and obliquity of the connecting rod l is `psi`, the velocity v of the piston, is given by the equation


Options:
A .  `omega^2(l cos psi + r sin psi tan theta)`
B .  `omega^2(l sin psi + r cos psi tan theta)`
C .  `omega(l sin psi + r cos psi tan theta)`
D .  `omega^2(l sin psi - r cos theta tan psi)`
Answer: Option C



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