Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Sewage gas Coke oven gas Natural gas Blast furnace gas Sewage gas Coke oven gas Natural gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Catalyst used in Fischer-Tropsch process is Zinc oxide Nickel Thorium oxide Alumina Zinc oxide Nickel Thorium oxide Alumina ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The hottest part of the flame lies in its____zone. Unburnt gases Non-luminous Yellow Luminous Unburnt gases Non-luminous Yellow Luminous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High ash containing coke None of these Has poor strength and abrasion resistance Produces more slag when used in the blast furnace Is desirable in producer gas manufacture None of these Has poor strength and abrasion resistance Produces more slag when used in the blast furnace Is desirable in producer gas manufacture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Coalification Carbonisation Gasification Oxidation Coalification Carbonisation Gasification Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be Very high, if the fuel is of low calorific value Low None of these High Very high, if the fuel is of low calorific value Low None of these High ANSWER DOWNLOAD EXAMIANS APP
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