P-7.188 Determine the work input and entropy generationduring the compression of steam from 100 kPa to 1 MPa in(a) an adiabatic pump and (b) an adiabatic compressor if theinlet state is saturated liquid in the pump and saturated vaporin the compressor and the isentropic efficiency is 85 percentfor both devices.

Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.