Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 3-5 25-30 60-65 95-100 3-5 25-30 60-65 95-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in temperature (i.e. preheating) All of these Increase in gas pressure Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) All of these Increase in gas pressure Use of pure oxygen for combustion instead of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Pitch Tar Coke oven gas Pulverised coke Pitch Tar Coke oven gas Pulverised coke 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 Softening temperature of coal ash is a measure of the __________ of coal. Clinkering tendency Coking tendency Size stability Caking tendency Clinkering tendency Coking tendency Size stability Caking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Coal middling from washeries Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Furnace oil, light diesel oil and tar/PCM Coal middling from washeries Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Furnace oil, light diesel oil and tar/PCM ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS