How much heat will it deliver to the environment

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Reference no: EM131083824

A refrigeration unit has a COP of 4 and extracts 10 kJ of heat from the cold reservoir. If this machine works as a heat pump, how much heat will it deliver to the environment?

(A) 2 kJ

(B) 2.5 kJ

(D) 25 kJ

71. When a hydrocarbon fuel burns in deficit air, Orsat analyzer will show the presence of following gases in the engine exhaust

(A) 2 2 2 CO N and O

(B) 2 2 2 CO,CO N and O

(D) 2 2 2 2 CO CO, N ,O and H O

Reference no: EM131083824

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