• 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
In a refrigerating machine, heat rejected is _________ heat absorbed.

Less than
Equal to
Greater than
None of these

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Under cooling in a refrigeration cycle

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

ANSWER DOWNLOAD EXAMIANS APP

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

remains same
increases
decreases
depends on other factors

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
One of the purposes of sub cooling the liquid refrigerant is to

Increase cooling effect
Ensure that only liquid and not the vapour enters the expansion (throttling) valve
Reduce compressor overheating
Reduce compressor discharge temperature

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The capillary tube, as an expansion device, is used in

All of these
Water coolers
Domestic refrigerators
Room air conditioners

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
An important characteristic of absorption system of refrigeration is

very little power consumption
quiet operation
cooling below 0°C
noisy operation

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
↑