Refrigerant-134a enters the compressor of a

Refrigerant-134a enters the compressor of a

Refrigerant-134a enters the compressor of a refrigerator at 140 kPa and -10째C at a rate of 0.3 m3/min and leaves at 1 MPa. The isentropic efficiency of the compressor is 78 percent. The refrigerant enters the throttling valve at 0.95 MPa and 30째C and leaves the evaporator as saturated vapor at -18.5째C. Show the cycle on a T-s diagram with respect to saturation lines, and determine

(a) The power input to the compressor,

(b) The rate of heat removal from the refrigerated space, and

(c) The pressure drop and rate of heat gain in the line between the evaporator
and the compressor.

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