• 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
Allowable pressure on high pressure side or ammonia absorption system is of the order of

24 bars
56 bars
Atmospheric pressure
Slightly above atmospheric pressure

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
An important characteristic of absorption system of refrigeration is

very little power consumption
quiet operation
cooling below 0°C
noisy operation

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Reducing suction pressure in refrigeration cycle

All of these
Lowers compressor capacity because vapour is lighter
Lowers evaporation temperature
Increases power required per ton of refrigeration

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
Cooled and humidified
Heated and dehumidified
Cooled and dehumidified

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The specific humidity during dehumidification process

Increases
Remains constant
Decreases
None of these

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Moisture in Freon refrigeration system causes

Freezing automatic regulating valve
High power consumption
Corrosion of whole system
Ineffective refrigeration

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
↑