Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Flue gases Ash content in the fuel Incomplete combustion Unburnt carbon in flue gases Flue gases Ash content in the fuel Incomplete combustion Unburnt carbon in flue gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke oven gas is around __________ Kcal/Nm³. 900 2000 4200 7500 900 2000 4200 7500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Clinkering tendency Caking tendency Size stability Coking tendency Clinkering tendency Caking tendency Size stability Coking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having Higher carbon monoxide content None of these Higher methane content and thus higher calorific value Lower carbon dioxide content Higher carbon monoxide content None of these Higher methane content and thus higher calorific value Lower carbon dioxide content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a measure of the agglutinating (i.e., binding) property of coal? Swelling index Caking index Gray-king index Thickness of plastic layer Swelling index Caking index Gray-king index Thickness of plastic layer ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ? Blast furnace gas Carburetted water gas Producers Natural gas Blast furnace gas Carburetted water gas Producers Natural gas ANSWER DOWNLOAD EXAMIANS APP
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