Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature All of these Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature All of these Facilitates combustion with lower excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? All of these Lurgi process Winkler process Kopper-Totzek process All of these Lurgi process Winkler process Kopper-Totzek process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter. Junkar's Bomb None of these Boy's Junkar's Bomb None of these Boy's ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Is always positive Is always negative Can't be known without calculating it Is equal to the heat of formation Is always positive Is always negative Can't be known without calculating it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have Low ash High calorific value High volatile matter High ash Low ash High calorific value High volatile matter High ash 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. 105 145 70 85 105 145 70 85 ANSWER DOWNLOAD EXAMIANS APP
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