• 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
Corrosiveness of steam condensate is due to the presence of

Neither A nor B
CO₂
Dissolved O₂
Both A & B

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Circulation pump is located below the evaporater to

Avoid frequent priming
Avoid cavitation
None of these
Create more suction head

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m².K. At steady state, the temperature of the right face in °C is

71.2
77.2
63.8
48.7

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger?

All of these
Tube side pressure drop and the heat transfer rate
Effective tube surface area for convective heat transfer
Convective heat transfer co-efficient

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade?

81.25
35.5
48.25
43.75

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid

for fluids in laminar flow
for fluids in tubulent flow
when Grashhoff number is very important
none of the listed here

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
↑