• 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
Which of the following refrigerants has lowest freezing point?

Freon-22
CO2
Freon-12
NH3

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is

Screw
Rotating
Reciprocating
Centrifugal

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
Less than
Equal to

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by

O.P)P = (
O.P)R - 1
O.P)P = (
O.P.)P = (
O.P)R
(
(
(
O.P.)P = (
O.P.)R + 2
O.P.)R + 1
(

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Refrigeration and Air Conditioning
The dry bulb temperature lines, on the psychrometric chart are

Curved lines
Horizontal and uniformly spaced
Horizontal and non-uniformly spaced
Vertical and uniformly spaced

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
↑