96) The unbalanced primary forces in a reciprocating engine are

97) The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

98) The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear.

99) The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

100) For static balancing of a shaft, the net dynamic force acting on the shaft is equal to zero.