The horse power of the motor running the compressor of a refrigerator having COP of 4.5 and extracting $200 \mathrm{~kJ} \mathrm{~kg}^{-1}$ of evaporating heat with $1.5 \mathrm{~kg} \min ^{-1}$ refrigerant flow rate is

(A) 0.5

(B) 1.0

(C) 1.5

(D) 2.0

The horse power of the motor running the compressor of a refrigerator having COP of 4.5 and extracting $200 \mathrm{~kJ} \mathrm{~kg}^{-1}$ of evaporating heat with $1.5 \mathrm{~kg} \min ^{-1}$ refrigerant flow rate is

(A) 0.5

(B) 1.0

(C) 1.5

(D) 2.0

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