• 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
One tonne of refrigeration (1TR) means that the heat removing capacity is

420 kJ/min
210 kJ/min
620 kJ/min
21 kJ/min

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
In Electrolux refrigerator

Ammonia is absorbed in hydrogen
Hydrogen evaporates in ammonia
Ammonia evaporates in hydrogen
Ammonia is absorbed in water

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The domestic refrigerator uses following type of compressor

Piston type reciprocating
Axial
Centrifugal
Miniature sealed unit

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Aqua ammonia is used as refrigerant in the following type of refrigeration system

Indirect
Absorption
Compression
Direct

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process)

(hA - h1)/ (h2 - h1)
(h2 - hA)/ (h1 - h2)
(hA - h2)/ (h1 - h2)
(h1 - h2)/ (hA - h2)

ANSWER DOWNLOAD EXAMIANS APP

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

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

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
↑