Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. None of these >71% In between 37 & 71% < 37% None of these >71% In between 37 & 71% < 37% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Coalification Variation of coal quality with depth Origin of petroleum oil Origin of coal Coalification Variation of coal quality with depth Origin of petroleum oil Origin of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the heaviest fuel gas out of the following? Carburetted water gas Water gas Coke oven gas Blast furnace gas Carburetted water gas Water gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 2500 4000 10000 6500 2500 4000 10000 6500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Increase or decrease depending on the fuel type Increase Not change Decrease Increase or decrease depending on the fuel type Increase Not change Decrease ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 79 77 21 29 79 77 21 29 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS