• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Furnace Technology

Furnace Technology
The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent.

85
99
50
65

ANSWER DOWNLOAD EXAMIANS APP

Furnace Technology
Protective gas used in the annealing furnace for steel coil comprises of

100% CO
100 %H₂
5% H₂ + 9% N₂
95% N₂ + 5% H₂

ANSWER DOWNLOAD EXAMIANS APP

Furnace Technology
Tunnel kilns are usually used for

Roasting of pyrites
Melting of glass
Reheating of slabs
Drying/tempering of refractories

ANSWER DOWNLOAD EXAMIANS APP

Furnace Technology
In reverberatory furnace, charge is heated mainly by

None of these
Radiation of heat from the roof of the combustion chamber
Natural convection
Conduction

ANSWER DOWNLOAD EXAMIANS APP

Furnace Technology
Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing?

Erosion of induced draft fan blades
Excessive fly ash discharge from the stack
Higher power consumption in its transportation
Ash disposal problem

ANSWER DOWNLOAD EXAMIANS APP

Furnace Technology
The heat recoverable from flue gases of furnaces depends on the

Flue gas temperature drop through the furnace
Quantity of flue gases
Thermal efficiency of furnace
All of these

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Furnace Technology

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
↑