• 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 leakage in a refrigeration system using ammonia is detected by

Soap and water
Sulphur sticks
Halide torch
All of these

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?

Carbon dioxide
Fluorine
Sulphur dioxide
Ammonia

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The relative coefficient of performance is

Theoretical COP/actual COP
Actual COP × theoretical COP
Actual COP/theoretical COP
None of these

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
In a domestic vapour compression refrigerator, the refrigerant commonly used is

All of these
CO?
R-12
Ammonia

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Condensing temperature in a refrigerator is the temperature

Of evaporator
Of freezing zone
At which refrigerant gas becomes liquid
Of cooling medium

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The leaks in a refrigeration system using Freon are detected by

Smelling
Using reagents
Sulphur sticks which on detection gives white smoke
Halide torch which on detection produces greenish flame lighting

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
↑