Carnot Cycle MCQ

Test your knowledge with important Carnot Cycle MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Carnot Cycle MCQs on Bissoy. Bissoy App

• A carnot cycle refrigerator operates between 250ºK and 300ºK. What is the value of COP?
  ক

  10

  খ

  20

  গ

  25

  ঘ

  5
• A cyclic heat engine does 50kJ of work per cycle. If efficiency of engine is 75%, the heat rejected per cycle will be ___________
  ক

  60.6kJ

  খ

  16.6kJ

  গ

  66.6kJ

  ঘ

  200kJ
• A carnot cycle is to be designed to attain efficiency of 0.75. if temperature of high temperature reservoir is 727ºC, then low temperature reservoir will have to be maintained at ___________
  ক

  23ºC

  খ

  181ºC

  গ

  -23ºC

  ঘ

  -181ºC
• A carnot heat pump is used to heat a house. The outside temperature is -3ºC and the indoor temperature is 27ºC. If the heat loss from the house is 40kW, the power required to operate the heat pump is?
  ক

  1kW

  খ

  2kW

  গ

  3kW

  ঘ

  4kW
• For a given temperature T1, as the difference between T1 and T2 increases, the COP of a carnot heat pump ___________
  ক

  increases

  খ

  decreases

  গ

  first increases, then decreases

  ঘ

  none of the mentioned
• The adiabatic process of a carnot cycle needs very __________ motion to complete the adiabatic process.
  ক

  slow

  খ

  fast

  গ

  medium

  ঘ

  none of the mentioned
• The isothermal process of a carnot cycle needs very __________ motion of the piston to maintain constant temperature.
  ক

  slow

  খ

  fast

  গ

  medium

  ঘ

  none of the mentioned
• In a carnot cycle, what is the working fluid?
  ক

  a real gas

  খ

  an ideal gas

  গ

  a natural gas

  ঘ

  none of the mentioned
• In a carnot cycle, the working medium rejects heat at a ____________ temperature.
  ক

  lower

  খ

  higher

  গ

  constant

  ঘ

  none of the mentioned
• In a carnot cycle, the working medium receives heat at a _____________ temperature.
  ক

  lower

  খ

  higher

  গ

  constant

  ঘ

  none of the mentioned