Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Lower hydrogen content Higher calorific value Both A & B Neither A nor B Lower hydrogen content Higher calorific value Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by High temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation High temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Porosity Agglutinating (binding) properties Reactivity Abradability Porosity Agglutinating (binding) properties Reactivity Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel Supplying correct amount of combustion air Preheating of fuel gases & combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel Supplying correct amount of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 65 120 30 180 65 120 30 180 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ? Producers Natural gas Carburetted water gas Blast furnace gas Producers Natural gas Carburetted water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP