• 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
When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be

Positive
None of the listed here
Zero
Negative

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Air conditioning
Gas liquefaction
Domestic refrigerators
Commercial refrigerators

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The power per tonne of refrigeration is

3.5/C.O.P.
O.P/3.5
None of these
3.5 × C.O.P.

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg)

25 kJ/kg
50 kJ/kg
100 kJ/kg
125 kJ/kg

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Accumulators should have adequate volume to store refrigerant charge at least

0.5
0.1
0.25
0.75

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

0.1 ton
5 tons
10 tons
40 tons

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
↑