Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Water gas Natural gas Blast furnace gas Coke oven gas Water gas Natural gas Blast furnace gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Hydrogenation Oxidation None of these Fermentation Hydrogenation Oxidation None of these Fermentation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of phosphorous in metallurgical coal 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 Is not undersirable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Gives larger yield of coke (around 85%) as compared to by-product ovens Produces coke with very poor strength Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Gives larger yield of coke (around 85%) as compared to by-product ovens Produces coke with very poor strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Micum Index of a coke is a measure of its Porosity Hardness & strength Bulk density Reactivity Porosity Hardness & strength Bulk density Reactivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) None of these Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) None of these Combustion of fire slacks on the grates ANSWER DOWNLOAD EXAMIANS APP
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