• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Heat Transfer

Heat Transfer
Which of the following has maximum thermal conductivity?

Tar
Coal
Nitrogen
Iron

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The separation of liquid droplets from the vapor is done by a/an __________ , in the evaporators.

Vacuum pump
Compressor
Entrainment separator
Steam ejector

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
In an extended surface heat exchanger, fluid having lower co-efficient

Flows outside the tubes
Should not be used as it gives very high pressure drop
Flows through the tube
Can flow either inside or outside the tubes

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The critical radius of insulation for a spherical shell is (where, K = thermal conductivity of insulating material h0 = heat transfer coefficient at the outer surface)

h0/2K
h0/K
2K/h0
K/h0

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The purpose of providing a 'catchall' in the vapor line of an evaporator is to

Arrest the entrained liquid
Vent the non-condensible gases
Regulate the vapor flow
Create vacuum

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then

hf could be greater or smaller than hd
hf = hd
hf > hd
hf < hd

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Heat Transfer

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
↑