Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Handling (e.g. when emptying wagons) None of these Its pulverisation (as it requires more power) Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) None of these Its pulverisation (as it requires more power) Combustion of fire slacks on the grates ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Narrower limit of inflammability Higher calorific value Lower ignition temperature Lower theoretical flame temperature Narrower limit of inflammability Higher calorific value Lower ignition temperature Lower theoretical flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack (chimney) height in a big thermal power plant is dictated by the None of these Limitation of constructional facilities Draught to be created Pollution control aspect None of these Limitation of constructional facilities Draught to be created Pollution control aspect ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Ethylene Benzol Napthalene Pitch-cresosote mixture (PCM) Ethylene Benzol Napthalene Pitch-cresosote mixture (PCM) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Neither A nor B Lower hydrogen content Both A & B Higher calorific value Neither A nor B Lower hydrogen content Both A & B Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross and net calorific value of a fuel will be the same Ifits carbon content is very low If its hydrogen/hydrogen compound content is zero If its ash content is zero Under no circumstances Ifits carbon content is very low If its hydrogen/hydrogen compound content is zero If its ash content is zero Under no circumstances ANSWER DOWNLOAD EXAMIANS APP
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