• 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
Cooling water is required for following equipment in ammonia absorption plant

Condenser
Absorber
Evaporator
Condenser, absorber and separator (rectifier)

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature)

(T₁ - T₂)/T₁
T₂/ (T₂ - T₁)
(T₂ - T₁)/T₁
T₁ / (T₂ - T₁)

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
R-12 is generally preferred over R-22 in deep freezers since

It is miscible with oil over large range of temperatures
All of these
It gives higher coefficient of performance
It has low operating pressures

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The wet bulb depression indicates _________ humidity of the air.

Absolute
None of these
Relative
Specific

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

None of these
Remains constant
Increases
Decreases

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
A vapour absorption refrigerator uses _________ as a refrigerant.

Ammonia
Aqua-ammonia
Water
Freon

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
↑