• 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 unit of thermal diffusivity is

m²/hK
m²/h
m/h
m/hK

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called

Absolute humidity
Humidity ratio
Degree of saturation
Relative humidity

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
An infinite parallel planes with emissivities e₁ and e₂, the interchange factor for radiation from surface 1 to surface 2 is given by

(e₁ + e₂)/ e₁ + e₂ - e₁e₂
e₁e₂
e₁ + e₂
1/e₁ + 1/e₂

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The vapour pressure of refrigerant should be

Could be anything
Higher than atmospheric pressure
Lower than atmospheric pressure
Equal to atmospheric pressure

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The leakage in a refrigeration system using Freon is detected by

Halide torch
Sulphur sticks
All of these
Soap and water

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The power per tonne of refrigeration is

3.5 × C.O.P.
None of these
O.P/3.5
3.5/C.O.P.

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
↑