Fuels and Combustion

A. Gasoline
B. Diesel
C. Fuel oil
D. Kerosene

A. Ensure its complete combustion
B. Facilitate easy ash removal
C. Enhance its calorific value
D. Provide trouble free operation

A. Reactivity with O2
B. Abradability
C. Phosphorus content
D. Volatile matter content

A. Give less yield of tar and gas on carbonisation
B. Burn with a small non-smoky flame
C. Have a very high calorific value
D. None of these

A. Auto catalytic
B. Exothermic
C. Endothermic
D. None of these

A. More
B. Less
C. Same
D. Data insufficient; can’t be predicted

A. Sulphur content
B. Calorific value
C. Both A. & B.
D. Neither A. nor B.

A. N2
B. H2
C. CH4
D. CO2

A. Lower than
B. Higher than
C. Same as
D. Not related to

A. Excessive power requirement of air blower
B. Enhanced sensible heat loss in the flue gas
C. Intermittent and uncontrolled combustion of the fuel
D. High exit flue gas temperature from the furnace