Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Both A & B Neither A nor B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Both A & B Neither A nor B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by Dilute potassium carbonate Cuporus chloride Potassium hydroxide Alkaline pyragllol solution Dilute potassium carbonate Cuporus chloride Potassium hydroxide Alkaline pyragllol solution ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Coking coal Non-caking coal Pulverised coal Caking coal Coking coal Non-caking coal Pulverised coal Caking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of pulverised coal in boiler furnace provides Smokeless burning High calorific value Better combustion Less erosion on furnace walls Smokeless burning High calorific value Better combustion Less erosion on furnace walls ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 30-33 22-26 10-15 1-2 30-33 22-26 10-15 1-2 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? C₂H₆ CO H₂ CH₄ C₂H₆ CO H₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP