• 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 equation, (NSt x N2/3Pr) = f/2, is the __________ analogy.

Prandtl
Colburn
None of these
Reynolds

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C.

100-500
18537
5000-15000
1000-1500

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
In Biot number, the characteristic length used is the ratio of the __________ of the solid.

Perimeter to surface area
Volume to surface area
Surface area to perimeter
Surface area to volume

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
With increase in porosity, the thermal conductivity of a solid substance

Remains unchanged
May increase or decrease; depends on the solid
Increases
Decreases

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second.

3 x l08
3 x l05
3 x l010
3 x l012

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
A body is called grey if the monochromatic emissivity of the body is

Same for all wavelengths
Different for all wavelengths
Unity
Zero

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
↑