• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The freezing point of R-12 is

-107.7°C
-86.6°C
-135.8°C
-95.2°C

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Under cooling in a refrigeration cycle

Increases C.O.P
Other factors decide C.O.P
Decreases C.O.P
O.P remains unaltered

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant

depends on other factors
increases
decreases
remains same

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called

Refrigerating efficiency
Coefficient of performance of refrigeration
Relative coefficient of performance
Coefficient of performance of heat pump

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Which of the following refrigerant is highly toxic and flammable?

Sulphur dioxide
Ammonia
R-12
Carbon dioxide

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Highest temperature encountered in refrigeration cycle should be

At critical Temperature
Much below critical temperature
Near critical temperature of refrigerant
Above critical temperature

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Refrigeration and Air Conditioning

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑