• 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
The unit of heat transfer co-efficient in SI unit is

J/m°K
W/m°K
J/M2°K
W/m2°K

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is

Thick walled
Having the value of Ao/Ai > 2
Thin walled having the value of Ao Ai/< 2
Both B and C

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is

2
10
100
0.5

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as

Ha = 2hL
Ha = 0.8hL
Ha= 5hL
Ha = hL

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
A diathermaneous substance __________ the thermal radiation completely.

None of these
Reflects
Transmits
Absorbs

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Fourier's law applies to the heat transfer by

radiation
convection
conduction
None of the listed here

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
↑