Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Combustion of fire slacks on the grates None of these Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) Combustion of fire slacks on the grates None of these Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to Burn the lumpy coal Pneumatically convey the pulverised coal Completely burn the volatile matter None of these Burn the lumpy coal Pneumatically convey the pulverised coal Completely burn the volatile matter None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Both A & B Neither A nor B Mature Young Both A & B Neither A nor B Mature Young ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs Neither A nor B Both A & B CO₂ SO₂ Neither A nor B Both A & B CO₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Remain unchanged May increase or decrease ; depends on the quantity of products of combustion Increase Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of pitch from distillation of high temperature tar is around __________ percent. 65 25 10 90 65 25 10 90 ANSWER DOWNLOAD EXAMIANS APP
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