Thermodynamic Properties MCQ

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

• A refrigerant should have a low latent heat of vaporization at the evaporator temperature.
  ক

  True

  খ

  False
• R – 11 is having the highest C.O.P for refrigeration system working under the temperature limits of -15°C and 30°C as evaporator and condenser temperature respectively.
  ক

  False

  খ

  True
• Among the following refrigerants, which is having the lowest C.O.P for refrigeration system working under the temperature limits of -15°C and 30°C as evaporator and condenser temperature respectively?
  ক

  Ammonia

  খ

  R – 12

  গ

  R – 30

  ঘ

  Carbon dioxide
• Among the following refrigerants, which is having the lowest boiling point?
  ক

  Ammonia

  খ

  R – 12

  গ

  Carbon dioxide

  ঘ

  Sulphur dioxide
• What is the freezing point of R – 12 at atmospheric pressure?
  ক

  -86.6°C

  খ

  -73.6°C

  গ

  -157.5°C

  ঘ

  -160°C
• What is the boiling point of Carbon dioxide at atmospheric pressure?
  ক

  -20.5°C

  খ

  -73.6°C

  গ

  -50°C

  ঘ

  -68°C
• R – 717 is the refrigerant number of which of the following refrigerant?
  ক

  Ammonia

  খ

  Water

  গ

  Carbon dioxide

  ঘ

  Sulphur dioxide
• What is the boiling point of Ammonia at atmospheric pressure?
  ক

  -10.5°C

  খ

  -30°C

  গ

  -33.3°C

  ঘ

  -77.7°C
• Among the following refrigerants, which is having the lowest freezing point?
  ক

  R – 21

  খ

  R – 11

  গ

  R – 12

  ঘ

  R – 22