• 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
Superheating in a refrigeration cycle

O.P remains unaltered
Increases C.O.P
Decreases C.O.P
Other factors decide C.O.P

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be

Heated and humidified
Heated and dehumidified
Cooled and dehumidified
Cooled and humidified

ANSWER DOWNLOAD EXAMIANS APP

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

All of these
R-12
Ammonia
CO?

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
One tonne of refrigeration (1TR) means that the heat removing capacity is

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

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The evolution of heat of solution takes place in ammonia absorption plant when

Lithium bromide mixes with ammonia
Weak solution mixes with strong solution
Ammonia vapour goes into solution
Ammonia vapour is driven out of solution

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The heat rejection factor (HRF) is given by

1 - C.O.P.
1 - (1/C.O.P)
1 + (1/C.O.P)
1 + C.O.P

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
↑