Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. All of these Methane Hydrogen Unsaturated hydrocarbons All of these Methane Hydrogen Unsaturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always > 1 1 < 1 Unpredictable > 1 1 < 1 Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 12 8 36 22 12 8 36 22 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Higher amount of methane Lower amount of hydrogen Both A & B Higher amount of both methane and hydrogen Higher amount of methane Lower amount of hydrogen Both A & B Higher amount of both methane and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Smoke point Burning temperature Kindling temperature Fire point Smoke point Burning temperature Kindling temperature Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Caking power Hydrogen content Oxygen content Calorific value Caking power Hydrogen content Oxygen content Calorific value ANSWER DOWNLOAD EXAMIANS APP
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