Fuels and Combustion Which of the following can be made into briquettes without the use of a binder? Lignite None of these Bituminous coal Anthracite coal Lignite None of these Bituminous coal Anthracite coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by Dry gas/stack gas loss None of these Moisture loss Incomplete combustion Dry gas/stack gas loss None of these Moisture loss Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Less air for combustion Correct amount of air for combustion Pulverised coal in boilers Too much air for combustion Less air for combustion Correct amount of air for combustion Pulverised coal in boilers Too much air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the temperature of carbonisation of coal Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content All of these Hydrogen content of coke oven gas increases due to cracking of hydrocarbons Methane content in the coke oven gas decreases and carbon monoxide content increases Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content All of these Hydrogen content of coke oven gas increases due to cracking of hydrocarbons Methane content in the coke oven gas decreases and carbon monoxide content increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Neither A nor B Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Neither A nor B Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Origin of petroleum oil Variation of coal quality with depth Origin of coal Coalification Origin of petroleum oil Variation of coal quality with depth Origin of coal Coalification ANSWER DOWNLOAD EXAMIANS APP
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