Fuels and Combustion Bunsen burner is an example of a/an __________ burner. Rotary cup Submerged combustion Inside mixing/premix type Outside mixing/diffusion flame/nozzle mix type Rotary cup Submerged combustion Inside mixing/premix type Outside mixing/diffusion flame/nozzle mix type 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 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 36 6 18 28 36 6 18 28 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Mineral matter content Both B and C Caking index Ash content Mineral matter content Both B and C Caking index Ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Either A or B, depends on other factors Decreases Increases Remains same Either A or B, depends on other factors Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal. 160 500 750 60 160 500 750 60 ANSWER DOWNLOAD EXAMIANS APP
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