Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Cyclone separator Electrostatic precipitator Washing with monoethanolamine Wet packed scrubber Cyclone separator Electrostatic precipitator Washing with monoethanolamine Wet packed scrubber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Combustion of fire slacks on the grates Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) None of these Combustion of fire slacks on the grates Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High calorific value Low ash High ash High volatile matter High calorific value Low ash High ash High volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Coal middling from washeries Furnace oil, light diesel oil and tar/PCM Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Coal middling from washeries Furnace oil, light diesel oil and tar/PCM Pulverised coking coal F. gas, coke oven gas and L.D. converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Less More Data insufficient; can't be predicted Same Less More Data insufficient; can't be predicted Same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. 50 0.5 10 500 50 0.5 10 500 ANSWER DOWNLOAD EXAMIANS APP
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