• 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 COP of a domestic refrigerator

Is less than 1
Depends upon the make
Is equal to 1
Is more than 1

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
In case of sensible cooling of air, the coil efficiency is given by

1/ B.P.F.
1 + B.P.F.
P.F. - 1
1 - B.P.F.

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The lowest thermal diffusivity is of

Iron
Lead
Aluminium
Rubber

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
During heating and humidification, the final relative humidity of air

Can be lower or higher than that of the entering air
Is lower than that of the entering air
None of the listed here
Is higher than that of the entering air

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by

Raising the higher temperature
Lowering the higher temperature
Operating the machine at higher speeds
Operating the machine at lower speeds

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
A refrigerant compressor is used to

All of these
Circulate the refrigerant through the refrigerating system
Raise the temperature of the refrigerant
Raise the pressure of the refrigerant

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
↑