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 Coke oven gas Pitch Pulverised coke Tar Coke oven gas Pitch Pulverised coke Tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High excess air in combustion of fuels results in Smoky flame None of these Incomplete combustion Increased fuel consumption Smoky flame None of these Incomplete combustion Increased fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas containing least amount of tar is produced by the Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Electrical resistivity Porosity Density None of these Electrical resistivity Porosity Density None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about____°C. 105 85 70 145 105 85 70 145 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named Has a high volatile matter content and burns with a luminous smoky flame All of these Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named Has a high volatile matter content and burns with a luminous smoky flame All of these Is non-coking ANSWER DOWNLOAD EXAMIANS APP
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