• 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
Steam economy in case of a triple effect evaporator will be

> 1
< 1
1
Between 0 and 1

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be

0.85
0.35
0.55
0.45

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
In a forward feed multiple effect, the pressure build up will be

highest at the outlet of the last effect
least at the inlet of the first effect
least at the outlet of the last effect
highest at the inlet of the last effect

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining the same, the temperature of the exit liquid will be

Equal to 45°C
Initially decreases and remains constant thereafter
Less than 45°C
More than 45°C

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The value of Stefan-Boltazman constant in SI unit is

0.1714 x 10-8W/m².°K4
5.6697 x 10-8W/m².°K4
0.1714 x 10-8kcal/m². °K4
5.6697 x 10-8kcal/m² . °K4

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Analogy between mass and heat transfer is not applicable in case of

Thermal or pressure mass diffusion
Both B and C
Same velocity profile or equal eddy diffusivities
Viscous heating or chemical reaction

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
↑