প্রতি টন রেফ্রিজারেশন ক্ষমতা হলো-
ক
3.5×COP
খ
COP/3.5
গ
2×COP
ঘ
3.5/COP
সঠিক উত্তর: 3.5/COP
Cop = coefficient of performance = Q/W = Amount of heat extracted in the refriginationAmount of work done Q = W × COP W = QCop = 1toncop = 3.5 kJ⁄scop = 3.5cop Q = Heat removed from the reservoir W = Heat supple to the cold reservoir on work required.