Question: A heat pump cycle is executed with R134a under the saturation dome between the pressure limits of 1.8 and 0.2 MPa. The maximum coefficient of

A heat pump cycle is executed with R–134a under the saturation dome between the pressure limits of 1.8 and 0.2 MPa. The maximum coefficient of performance of this heat pump is
(a) 1.1
(b) 3.6
(c) 5.0
(d) 4.6
(e) 2.6

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