The
coefficient of performance of the Bell-Coleman air refrigeration cycle in terms
of the pressure ratio rp is given by:
दबाव अनुपात आरपी के संदर्भ में बेल-कोलमैन वायु प्रशीतन चक्र के प्रदर्शन का गुणांक इस प्रकार दिया गया है:
The coefficient of performance of the Bell-Coleman air refrigeration cycle in terms of the pressure ratio rp is given by
Where 
is specific heat ratio
i.e. 
(Cp = Specific heat constant pressure,
CV = Specific heat at
constant volume)
Hence, the
correct option is (D).
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