Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Causes heat loss of fuel by its partial combustion Lengthens the flame Both A & B Shortens the flame Causes heat loss of fuel by its partial combustion Lengthens the flame Both A & B Shortens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Gobar gas Refinery gas Blast furnace gas Converter gas Gobar gas Refinery gas Blast furnace gas Converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Either more or less; depends on the type of fuel More than Equal to Less than Either more or less; depends on the type of fuel More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Oxidation None of these Fermentation Hydrogenation Oxidation None of these Fermentation Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal is accelerated by the Storage in compressed piles All of these Storage in large heaps Absence of porous or friable particles Storage in compressed piles All of these Storage in large heaps Absence of porous or friable particles 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 ? Hydrocyclones Multicyclones Wet scrubber Bag filter Hydrocyclones Multicyclones Wet scrubber Bag filter ANSWER DOWNLOAD EXAMIANS APP
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