Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the Scale losses of the furnace stock Flame temperature Calorific value of the fuel None of these Scale losses of the furnace stock Flame temperature Calorific value of the fuel None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Friability & oxygen content Caking index Calorific value Yield of carbonised products Friability & oxygen content Caking index Calorific value Yield of carbonised products ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is H₂ CH₄ (upto 90%) C₃H₈ C₂H₆ H₂ CH₄ (upto 90%) C₃H₈ C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray-King Assay and Roga Index of coal is a measure of its Caking and swelling properties Abradability Grindability Weathering properties Caking and swelling properties Abradability Grindability Weathering properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a measure of the agglutinating (i.e., binding) property of coal? Swelling index Caking index Gray-king index Thickness of plastic layer Swelling index Caking index Gray-king index Thickness of plastic layer ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Gas yield is less Tar yield is more Aromatic content of tar produced is more Ignition temperature of coke produced is less Gas yield is less Tar yield is more Aromatic content of tar produced is more Ignition temperature of coke produced is less ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS