A Carnot refrigerator extracts 35.0 kJ as heat during each cycle, operating with a coefficient of performance of 4.60 . Find the energy per cycle transferred as heat to the surroundings

Question

A Carnot refrigerator extracts 35.0 kJ as heat during each cycle, operating with a coefficient of performance of 4.60 . Find the energy per cycle transferred as heat to the surroundings (A) 42.6 kJ (B) 53.2 kJ (C) 63.9 kJ (D) 72.5 kJ

Tardigrade Admin · Accepted Answer

Coefficient of performance B = (Q2/Q1 - Q2) 4.6 = (35/Q1 - 35) 4.6 Q1 = 35 + 161 Q1 = 42.6 kJ

Q. A Carnot refrigerator extracts $35.0 k J$ as heat during each cycle, operating with a coefficient of performance of $4.60$ . Find the energy per cycle transferred as heat to the surroundings

42.6 kJ

53.2 kJ

63.9 kJ

72.5 kJ

Coefficient of performance
$B = \frac{Q _{2}}{Q _{1} - Q _{2}}$
$4.6 = \frac{35}{Q _{1} - 35}$
$4.6 Q_{1} = 35 + 161$
$Q_{1} = 42.6 k J$

Q. A Carnot refrigerator extracts 35.0kJ as heat during each cycle, operating with a coefficient of performance of 4.60 . Find the energy per cycle transferred as heat to the surroundings