• 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.

2 TR
8 TR
10 TR
4 TR

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Two long parallel surfaces each of emissivity 0.7 are maintained at different temperatures and accordingly have radiation heat exchange between them. It is desired to reduce 75% of the radiant heat transfer by inserting thin parallel shields of emissivity 1 on both sides. The number of shields should be

Three
One
Two
Four

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
If the temperature of a solid surface changes form 27°C to 627°C, then its emissive power changes in the ratio of

270
81
3
9

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
LMTD in case of counter flow heat exchanger as compared to parallel flow heat exchanger is

Lower
Same
Depends on the area of heat exchanger
Higher

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit

Area
Thickness
Time
Temperature

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
The insulation ability of an insulator with the presence of moisture would

May increase/decrease depending on temperature and thickness of insulation
Increase
Remain unaffected
Decrease

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
↑