Fuels and Combustion Washing of coal Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content Improves its coking properties All of these Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content Improves its coking properties All of these 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 both methane and hydrogen 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to Burn the lumpy coal Completely burn the volatile matter None of these Pneumatically convey the pulverised coal Burn the lumpy coal Completely burn the volatile matter None of these Pneumatically convey the pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? None of these Coal tar Bitumen Molasses None of these Coal tar Bitumen Molasses ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively CO₂, O₂, CO CO₂, CO, O₂ O₂, CO₂, CO CO, O₂, CO₂ CO₂, O₂, CO CO₂, CO, O₂ O₂, CO₂, CO CO, O₂, CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Calorific value Sulphur content Higher C/H ratio Difference in gross & net calorific value Calorific value Sulphur content Higher C/H ratio Difference in gross & net calorific value ANSWER DOWNLOAD EXAMIANS APP
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