Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 4000 15000 1000 8000 4000 15000 1000 8000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Methane Unsaturated hydrocarbons All of these Hydrogen Methane Unsaturated hydrocarbons All of these Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High pressure coal gasification is employed in __________ process. Lurgi Kopper-Totzek None of these Winkler Lurgi Kopper-Totzek None of these Winkler ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 20 to 40 3 to 4 1 to 2 5 to 15 20 to 40 3 to 4 1 to 2 5 to 15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. May increase or decrease depending on the type of fuel Remains same Decreases Increases May increase or decrease depending on the type of fuel Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the dew point of flue gases May increase or decrease ; depends on the type of fuel Increases Decreases Remains same May increase or decrease ; depends on the type of fuel Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
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