Fuels and Combustion Coke oven gas compared to blast furnace gas is Lighter All of these Less poisonous More explosive and inflammable Lighter All of these Less poisonous More explosive and inflammable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of nitrogen in combustion air does not reduce the Flame temperature Flue gas temperature Amount of heat liberated Any of the above Flame temperature Flue gas temperature Amount of heat liberated Any of the above ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Fast & high Slow & low Slow & high Fast & slow Fast & high Slow & low Slow & high Fast & slow ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Because, it alone produces unreactive coke Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Because, it alone produces unreactive coke Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bunsen burner is an example of a/an __________ burner. Outside mixing/diffusion flame/nozzle mix type Submerged combustion Inside mixing/premix type Rotary cup Outside mixing/diffusion flame/nozzle mix type Submerged combustion Inside mixing/premix type Rotary cup ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Higher calorific value Neither A nor B Both A & B Lower hydrogen content Higher calorific value Neither A nor B Both A & B Lower hydrogen content ANSWER DOWNLOAD EXAMIANS APP
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