• 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
An ordinary passenger aircraft requires a cooling system of capacity.

8 TR
2 TR
4 TR
10 TR

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
A perfect black body is one which

Reflects all heat
Transmits all heat radiations
Is black in colour
Absorbs heat radiations of all wave lengths falling on it

ANSWER DOWNLOAD EXAMIANS APP

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

Higher
More or less same
Same
Very much lower

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Which of the following has least value of conductivity?

Glass
Air
Plastic
Water

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

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The ratio of the energy absorbed by the body to total energy falling on it is called

Absorptivity
Emissivity
Absorptive power
Emissive power

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
↑