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

Fuels and Combustion

Fuels and Combustion
Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain

Both B & C
CO
CO₂
H₂O

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Coke oven gas burns with an yellowish flame, because of the presence of

H₂
NH₃
CH₄
CO₂

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the

Incomplete combustion of coal
Risk of explosion
Chances of clinker formation
Requirement of large volume combustion chamber

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Efficient burning of anthracite coal requires

High excess air
Low preheat of air
All of these
Fine grinding

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Presence of phosphorous in metallurgical coal

Badly affects the quality of steel
Increases its caking power
Is not undersirable
Reduces its calorific value

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
The fuel ratio of a coal is

The ratio of its percentage of fixed carbon to that of volatile matter
Helpful in estimation of its rank
Both A and B
Neither A nor B

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Fuels and Combustion

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
↑