Theory of Machine
The following is the inversion of slider crank chain mechanism

Whitworth quick return mechanism
Oscillating cylinder engine
Hand pump
All of these

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will

Become equal to R/4
Become equal to R/2
Become equal to 2R
Remain same as before

ANSWER DOWNLOAD EXAMIANS APP