Fuels and Combustion Coke oven gas compared to blast furnace gas is Lighter More explosive and inflammable Less poisonous All of these Lighter More explosive and inflammable Less poisonous All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. More than Less than Either more or less; depends on the type of fuel Equal to More than Less than Either more or less; depends on the type of fuel Equal to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have high porosity Should be brittle Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should be brittle Should have low fusion point of its ash Must contain moderate quantities of ash, moisture, sulphur and volatile matters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 25-30 95-100 60-65 3-5 25-30 95-100 60-65 3-5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Remains constant Decreases May increase or decrease, depends on combustibles Increases Remains constant Decreases May increase or decrease, depends on combustibles Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 3200 5400 10200 1800 3200 5400 10200 1800 ANSWER DOWNLOAD EXAMIANS APP
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