Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its carbon & hydrogen content All of these Increase in its oxygen content Decrease in its caking power & calorific value Decrease in its carbon & hydrogen content All of these Increase in its oxygen content Decrease in its caking power & calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ? Blast furnace gas Natural gas Producers Carburetted water gas Blast furnace gas Natural gas Producers Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 10 & 3 15 & 8 10 & 20 3 & 10 10 & 3 15 & 8 10 & 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the most matured coal? Lignite Semi-anthracite Anthracite Bituminous Lignite Semi-anthracite Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray-King Assay and Roga Index of coal is a measure of its Weathering properties Abradability Caking and swelling properties Grindability Weathering properties Abradability Caking and swelling properties Grindability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always Unpredicatable 1 > 1 Unpredicatable 1 > 1 ANSWER DOWNLOAD EXAMIANS APP