• 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
According to Stefan's law, the total radiation from a black body per second per unit area is proportional to

T
T5
T2
Absolute temperature

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
According to Wien's law, the wavelength corresponding to maximum energy is proportion to

Absolute temperature (T)
F
I²
T

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The concept of overall coefficient of heat transfer is used in heat transfer problems of

Convection
Radiation
Conduction
Conduction and convection

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

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The amount of radiation mainly depends on

Nature of body
Type of surface of body
Temperature of body
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)

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

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
↑