Fuels and Combustion Preheating of a gaseous fuel results in increased Flame temperature Quantity of flue gas Flame length Ignition temperature Flame temperature Quantity of flue gas Flame length Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 15, 000 25, 000 10, 000 5000 15, 000 25, 000 10, 000 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Carbon Sulphur Hydrogen Oxygen Carbon Sulphur Hydrogen Oxygen 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
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Decreases Increases May increase or decrease, depends on combustibles Remains constant Decreases Increases May increase or decrease, depends on combustibles Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 10 20 35 5 10 20 35 5 ANSWER DOWNLOAD EXAMIANS APP
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