Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in temperature (i.e. preheating) All of these Use of pure oxygen for combustion instead of air Increase in gas pressure Increase in temperature (i.e. preheating) All of these Use of pure oxygen for combustion instead of air Increase in gas pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Pulverised coking coal Furnace oil, light diesel oil and tar/PCM F. gas, coke oven gas and L.D. converter gas Coal middling from washeries Pulverised coking coal Furnace oil, light diesel oil and tar/PCM F. gas, coke oven gas and L.D. converter gas Coal middling from washeries ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Orsat apparatus Can All of these Gives flue gas analysis on dry basis Determines Nā in flue gas indirectly Can All of these Gives flue gas analysis on dry basis Determines Nā in flue gas indirectly ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cooling medium used in dry quenching of coke is Nitrogen Carbon dioxide Air Phenolic water Nitrogen Carbon dioxide Air Phenolic water ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Both B and C Produce weak coke Produce strong coke May damage the coke oven walls during carbonisation Both B and C Produce weak coke Produce strong coke May damage the coke oven walls during carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Ash content in the fuel Incomplete combustion Flue gases Unburnt carbon in flue gases Ash content in the fuel Incomplete combustion Flue gases Unburnt carbon in flue gases ANSWER DOWNLOAD EXAMIANS APP
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