Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Much higher Same Much lower Either lower or higher, depends on the type of fuel Much higher Same Much lower Either lower or higher, depends on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the High exit flue gas temperature from the furnace Excessive power requirement of air blower Enhanced sensible heat loss in the flue gas Intermittant and uncontrolled combustion of the fuel High exit flue gas temperature from the furnace Excessive power requirement of air blower Enhanced sensible heat loss in the flue gas Intermittant and uncontrolled combustion of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke None of these Causes brittleness in steel Decreases the abrasion resistance of coke Decreases the hardness of coke None of these Causes brittleness in steel Decreases the abrasion resistance of coke Decreases the hardness of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 750 1150 550 950 750 1150 550 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fossil fuels mean Those fuels which are found in the crust of earth Premature fuels with low calorific value Solid fuels Liquid fuels Those fuels which are found in the crust of earth Premature fuels with low calorific value Solid fuels Liquid fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 25, 000 5000 15, 000 10, 000 25, 000 5000 15, 000 10, 000 ANSWER DOWNLOAD EXAMIANS APP
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