• 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
Air refrigeration cycle is used in

Commercial refrigerators
Domestic refrigerators
Gas liquefaction
Air conditioning

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Which of the following refrigerant has the lowest freezing point?

Ammonia
R-22
R-11
R-12

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow.

None of these
Greater than
Equal to
Less than

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

R-12
Carbon dioxide
Sulphur dioxide
Lithium bromide

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Vertical lines on pressure-enthalpy chart show constant

Entropy lines
Pressure lines
Temperature lines
Total heat lines

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

Super-cooling
Normal cooling
None of the listed here
Sub-cooling or under-cooling

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
↑