Fuels and Combustion In low temperature carbonisation of coal, the Temperature maintained is 700°C Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal Volatile matter in coke is zero Temperature maintained is 700°C Yield of tar is about 3% of dry coal Yield of coke oven gas is 290 Nm³ /ton dry coal Volatile matter in coke is zero ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 55 to 75 15 to 25 75 35 to 45 55 to 75 15 to 25 75 35 to 45 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Decreases Remains constant Increases May increase or decrease, depends on combustibles Decreases Remains constant Increases May increase or decrease, depends on combustibles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Micum Index of a coke is a measure of its Porosity Reactivity Hardness & strength Bulk density Porosity Reactivity Hardness & strength Bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is CH₄ CO₂ H₂ CO CH₄ CO₂ H₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of __________ the flame temperature. The gaseous fuel before combustion decreases Combustion air decreases Either the fuel or the air or both, increases Either the fuel or the air does not affect The gaseous fuel before combustion decreases Combustion air decreases Either the fuel or the air or both, increases Either the fuel or the air does not affect ANSWER DOWNLOAD EXAMIANS APP
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