A Carnot refrigerator operates between 300.3 K and 273 K. The fraction of cooling effect required as work input is

Related MCQs

• A Carnot refrigerator extracts 100 kcal of heat per minute from a cold room which is maintained at - 15?C and it is discharged to atmosphere 30C?. The horse power required to run the unit would be
• 2 HP per ton of refrigeration is required to maintain the temperature of - 40?C in the refrigerator if the refrigeration cycle works on Carnot cycle. The COP of the cycle would be
• The COP of Carnot Refrigerator is 3 and it produces 1 TR. The work that will be done is equal to
• Co-efficient of performance of a Reversed Carnot cycle refrigerator working between higher temperature T2 and lower temperature T1
• Carnot refrigerator absorbs heat at -13° C and requires 1 kW for each 6.5 kW of heat absorbed, the COP and temperature of heat rejections respectively
• The ratio of high temperature to low temperature for reversed Carnot refrigerator is 1.25. The COP will be
• No refrigerator using reversed Carnot cycle has been constructed because
• No refrigerator using reversed Carnot cycle has been constructed because
• A refrigerating system operates on the reversed Carnot cycle. The higher temperature of the refrigerant in the system is 40?C and the lower is - 15?C. The capacity is to be 10 tons. Neglecting all losses, the coefficient of performance of the system would be
• Two Carnot Refrigerators are employed, one for ice making and other for comfort cooling