Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by None of these Alkaline pyrogallol solution Potassium hydroxide Cuprous chloride None of these Alkaline pyrogallol solution Potassium hydroxide Cuprous chloride 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. Hydrogen Methane All of these Unsaturated hydrocarbons Hydrogen Methane All of these Unsaturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of producer gas is around __________ kcal/Nm³ 500 4500 1300 9000 500 4500 1300 9000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 50 85 100 70 50 85 100 70 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 100 to 150 350 to 450 550 to 650 700 to 850 100 to 150 350 to 450 550 to 650 700 to 850 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Both B and C Low production of CO₂ High production of CO₂ High production of CO Both B and C Low production of CO₂ High production of CO₂ High production of CO ANSWER DOWNLOAD EXAMIANS APP