• 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 atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is

0.67
0.6
0.4
0.376

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

0.67
1.5
0.3
0.6

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
In aircraft, air refrigeration Cycle is used because of

Low temperature at high altitudes
Higher coefficient of performance
Low weight per tonne of refrigeration
High heat transfer rate

ANSWER DOWNLOAD EXAMIANS APP

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

CO?
All of these
Ammonia
R-12

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Nusselt number (NN) is given by

NN = V²/t.cp
NN = μ cp/k
NN = ρ V l /μ
NN = hl/k

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The boiling point of ammonia is

-10.5°C
-33.3°C
-30°C
-77.7°C

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
↑