Aheat pump receives energy from a source at 75 °c and delivers energy to a boiler that operates at 300 kpa. the boiler input is saturated liquid water and the exit is saturated vapor both at 350 kpa. the heat pump is driven by a 3 mw motor and has a cop that is 50% of a carnot heat pump cop, what is the maximum mass flow rate of water the system can deliver?

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.