Fuels and Combustion During combustion of gaseous fuels, deficiency of air Lengthens the flame Increases the flame temperature Does not affect the flame length Tends to shorten the flame Lengthens the flame Increases the flame temperature Does not affect the flame length Tends to shorten the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 18 36 28 6 18 36 28 6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Preheated secondary air High amount/current of combustion air Low amount/current of combustion air Very little excess air Preheated secondary air High amount/current of combustion air Low amount/current of combustion air Very little excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Incomplete combustion Flue gases Unburnt carbon in flue gases Ash content in the fuel Incomplete combustion Flue gases Unburnt carbon in flue gases Ash content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by Cuprous chloride Alkaline pyrogallol solution Potassium hydroxide None of these Cuprous chloride Alkaline pyrogallol solution Potassium hydroxide None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³. 300 3000 30 30, 000 300 3000 30 30, 000 ANSWER DOWNLOAD EXAMIANS APP
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