• 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
For what value of Prandtl number, St = f/2?

2
1
1.5
> 1

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Which of the following has the lowest Prandtl number?

Water
Transformer oil
Molten sodium (a coolant used in fast breeder reactor)
Dilute H₂SO₄

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature)

Δt
√Δt
Δt³
Δt²

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by

Conduction
Eddies current
Convection
None of these

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Multiple effect evaporation accounts for

Investment economy
Steam economy
None of these
Lower operating costs

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The film thickness for laminar film condensation on vertical surface __________ from top to bottom.

Cummulatively decreases
Cummulatively increases
And the surface conductance increase
Remains constant

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
↑