• 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 and Mass Transfer

Heat and Mass Transfer
Stefan Boltzmann law is applicable for heat transfer by

Radiation
Conduction
Convection
Conduction and radiation combined

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The ratio of surface convection resistance to the internal conduction resistance is known as

Grashoff number
Prandtl number
Stanton number
Biot number

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Which of the following is a case of steady state heat transfer?

I.C. engine
None of these
Heating of building in winter
Air preheaters

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Depending on the radiating properties, a body will be white when (Where a = absorptivity, p = reflectivity, x = transmissivity)

P = 0, x = 1 and a = 0
P=1, T = 0 and a = 0
P = 0, x = 0 and a = 1
X = 0, a + p = 1

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The expression Q = ρ AT4 is called

Newton Reichmann equation
Fourier equation
Stefan-Boltzmann equation
Joseph-Stefan equation

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Radiation is the process of heat transfer in which heat flows from a ________, in a straight line, without affecting the intervening medium.

Hot body to cold body
Smaller body to larger body
Larger body to smaller body
Cold body to hot body

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Heat and Mass 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
↑