No refrigerator using reversed Carnot cycle has been constructed because

Refrigeration and Air conditioning Mcqs
BILAL KHATTAK0

A.It is less efficient
B.It requires bulky machines
C.It is uneconomical
D.Isentropic portions of cycle require low speeds whereas isothermal protuons require high speeds

Related Mcqs:

  1. Brayton cycle cannot be used in reciprocating engines even for same compression rations and work output because
  2. Brayton cycle cannot be used in reciprocating engines even for same adiabatic compression ratio and work output because
  3. The efficiency of a Carnot engine is given as 0.75. If the cycle direction is reversed, what will be the value of COP of reversed Carnot cycle
  4. A Brayton cycle is also a reversed
  5. A Rankine cycle working with saturated steam differs thermodynamically from a Carnot cycle only in the fact that
  6. Brayton cycle cannot be used in reciprocating engines even for same compression ratio and work output because
  7. Reversed Carnot cycle assumes that all processes in the cycle are
  8. The Carnot refrigeration cycle
  9. 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
  10. The ratio of high temperature to low temperature for reversed Carnot refrigerator is 1.25. The COP will be

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