Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Tar yield is more Ignition temperature of coke produced is less Gas yield is less Aromatic content of tar produced is more Tar yield is more Ignition temperature of coke produced is less Gas yield is less Aromatic content of tar produced is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are Lignite None of these Anthracite Bituminous Lignite None of these Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? Less heat transfer surface area is required in boilers It achieves higher fuel combustion efficiency It can not burn low grade coal None of these Less heat transfer surface area is required in boilers It achieves higher fuel combustion efficiency It can not burn low grade coal None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Calorific value Caking index Ignition temperature Ash fusion temperature Calorific value Caking index Ignition temperature Ash fusion temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 10% and M10 < 78% M40 > 4% and M10 < 80% M40 > 78% and M10 < 10% M40 > 98% and M10 < 2% M40 > 10% and M10 < 78% M40 > 4% and M10 < 80% M40 > 78% and M10 < 10% M40 > 98% and M10 < 2% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Bag filter Hydrocyclones Multicyclones Wet scrubber Bag filter Hydrocyclones Multicyclones Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS