a motor is operating under the following conditions: displacement 20 cc/rev s.g. 0.85 kin. viscosity 20 cst inlet pressure, pi 100 bar shaft torque 30 n-m flow rate in 40 l/min shaft speed 1800 rev/min a. find the slip coefficient for this motor. b. assuming the friction torque and the drag torque are equal, find cf and cd. c. if the inlet pressure was 150 bar, and the shaft speed was 900 rev/min, what are the 3 efficiency values?