Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if It is stored in tall heaps All of these It contains large amount of volatile matter Smaller fines are stored in large quantity It is stored in tall heaps All of these It contains large amount of volatile matter Smaller fines are stored in large quantity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is unsuitable fuel for producer gas manufacture? Coal having high fusion point of its ash Anthracite Coal having low fusion point of its ash Coke Coal having high fusion point of its ash Anthracite Coal having low fusion point of its ash Coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of a gaseous fuel results in increased Quantity of flue gas Ignition temperature Flame temperature Flame length Quantity of flue gas Ignition temperature Flame temperature Flame length ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 40 and 70 80 and 97 25 and 97 95 and 100 40 and 70 80 and 97 25 and 97 95 and 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Moisture loss is determined by the The water formed by combustion reaction Both A and B Moisture content of fuel Humidity of combustion air The water formed by combustion reaction Both A and B Moisture content of fuel Humidity of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? Propane and acetylene F. gas and coke oven gas Propane and LPG Sewage gas and gobar gas Propane and acetylene F. gas and coke oven gas Propane and LPG Sewage gas and gobar gas ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS