• 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
Prandtl number for most of dry gases is about

70
150
0.72
0.001

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides

Lower capacity
Both A & B
Higher economy
Lower economy

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by

1/εx + 1/εy
(εx + εy)/(εx + εy - εx . εy)
Εx . εy
Εx + εy

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is

Nu = 2Gz0.5
Nu = Gz
Nu = 0.023 Re0.8 . Pr0.4
Nu = Gz

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force.

Inertial
None of these
Elastic
Viscous

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Heat transfer rate described by Fourier's law will decrease, if the __________ increases.

Temperature difference
Heat transfer area
Thermal conductivity
Thickness

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
↑