Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 500 950 1100 750 500 950 1100 750 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of pitch from distillation of high temperature tar is around __________ percent. 10 90 25 65 10 90 25 65 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. More Less Equal More or less ; (depends on the state of fuel.) More Less Equal More or less ; (depends on the state of fuel.) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Blast furnace gas Water gas Natural gas Coke oven gas Blast furnace gas Water gas Natural gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Wet scrubber Bag filter Multicyclones Hydrocyclones Wet scrubber Bag filter Multicyclones Hydrocyclones ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal Is not undersirable Badly affects the quality of steel Reduces its calorific value Increases its caking power Is not undersirable Badly affects the quality of steel Reduces its calorific value Increases its caking power ANSWER DOWNLOAD EXAMIANS APP
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