1.5kW per ton of refrigeration is required to maintain the temperature of -40°C in the refrigerator. If the refrigeration cycle works on carnot cycle' determine the following: (a) C. O.P of the cycle (b) temperature of the sink
(c) Heat rejected to the sink per ton of refrigeration and
(d) heat supplied and the COP, if the cycle is used as a heat pump​

answer:

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explanation:

which ordered pair is not in the solution

y > -1/2x + 5

y ≤ 3x - 2

a) (5,3) b) (4,3)

c) (3,4) d) (4,4)