• 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 boiling point of ________ is 10.5°C.

Carbon dioxide
R-12
Ammonia
Sulphur dioxide

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The process, generally used in winter air-conditioning to warm and humidity the air, is called

Humidification
Cooling and dehumidification
Dehumidification
Heating and humidification

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Air conditioning means

Heating
Dehumidifying
Cooling
All of these

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
In which of the following refrigeration system, waste heat can be effectively used?

Vapour absorption cycle
Air refrigeration cycle
Vapour compression cycle
None of the listed here

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

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be

6
0.2
5
1.2

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
↑