• 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

Conduction and radiation combined
Radiation
Convection
Conduction

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
In heat exchangers, degree of approach is defined as the difference between temperatures of

Hot medium inlet and outlet
Cold water inlet and outlet
Hot medium outlet and cold water inlet
Hot medium outlet and cold water outlet

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Heat transfer by radiation mainly depends upon

Its temperature
Nature of the body
Kind and extent of its surface
All of these

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Total emissivity of polished silver compared to black body is

Same
Very much lower
More or less same
Higher

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The energy distribution of an ideal reflector at higher temperatures is largely in the range of

Wavelength has nothing to do with it
Shorter wavelength
Remain same at all wavelengths
Longer wavelength

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
↑