• 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
The unit of Stefan Boltzmann constant is

watt/cm2 °K⁴
watt/cm4 °K
watt/cm3 °K
watt2/cm °K⁴

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by

Convection
Both convection and conduction
Conduction
Radiation

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Reynolds number is the ratio of

Kinematic viscosity to thermal diffusivity
Inertia force to viscous force
None of these
Energy transferred by convection to that by conduction

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means, is known as

Forced convection
Radiation
Conduction
Free convection

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The most commonly used method for the design of duct size is the

Equal friction method
Dual or double method
Velocity reduction method
Static regains method

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The use of heat exchangers is made in

All of these
Radiators in automobile
Condensers and boilers in steam plants
Condensers and evaporators in refrigeration and air conditioning units

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
↑