Home

Formation of frost on evaporator in refrigerator

Share latest video status. Download from playstore now!

A. Results in loss of heat due to poor heat transfer

B. Increases heat transfer rate

C. Is immaterial

D. Can be avoided by proper design

Share this question with your friends

Correct Answer : A.


Download Objective type questions of Refrigeration & Air-Conditioning PDF

Get all objective type questions of Refrigeration & Air-Conditioning MCQ

Related Questions

  1. In a vapour compression cycle, the refrigerant immediately after expansion valve is
  2. The coefficient of performance of Electrolux refrigerator is the ratio of
  3. Moisture should be removed from refrigerants to avoid
  4. Pick up the wrong statement. A refrigerant should have
  5. In a psychrometric chart, specific humidity (moisture content) lines are
  6. In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor)
  7. Oil separator in a refrigeration cycle is installed
  8. Which of the following refrigerant has the lowest freezing point?
  9. The process of under-cooling is generally brought about by
  10. The sensible heat factor during the heating and humidification process is given by (where h₁…
  11. In vapour compression cycle, the condition of refrigerant is very wet vapour
  12. In case of sensible cooling of air, the coil efficiency is given by
  13. The condition of refrigerant as it leaves the compressor in a vapour compression system is
  14. The difference between dry bulb temperature and wet bulb temperature, is called
  15. The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed…
  16. During adiabatic saturation process on unsaturated air __________ remains constant.
  17. Which of the following statement is correct?
  18. Wet bulb temperature is the temperature of air recorded by a thermometer, when
  19. The sensible heat factor during cooling and dehumidification process is given by (where h₁ =…
  20. The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer.
  21. Dry bulb temperature is the temperature of air recorded by a thermometer, when
  22. The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
  23. Short horizontal lines on pressure-enthalpy chart show
  24. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water…
  25. For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference…
  26. Superheating in a refrigeration cycle
  27. The lowest temperature during the cycle in a vapour compression system occurs after
  28. One of the purposes of sub cooling the liquid refrigerant is to
  29. The refrigerant widely used in domestic refrigerators is
  30. The leakage in a refrigeration system using Freon is detected by

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Also checkout these categories

Numbers MCQ Rearrangement Set 9 MCQ Industrial Engineering & Production Management Test MCQ Surface Chemistry MCQ Machine Input MI - set 1 MCQ Current Affairs August 2017 MCQ Partnership MCQ English Grammer MCQ Concrete Technology and Design MCQ Surface Area MCQ Synonyms MCQ Digestive System MCQ