Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Volatile matter Sulphur (4-6%) Ash Moisture Volatile matter Sulphur (4-6%) Ash Moisture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of None of these Tar Ammonia Benzol None of these Tar Ammonia Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to Low temperature oxidation All of these Inadequate ventilation Storage in large heaps with small surface to volume ratio Low temperature oxidation All of these Inadequate ventilation Storage in large heaps with small surface to volume ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb Only CO All of these Both CO and O₂ Both CO and CO₂ Only CO All of these Both CO and O₂ Both CO and CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because It reduces its calorific value tremendously It reduces its flame temperature tremendously There are chances of explosion during preheating The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously It reduces its flame temperature tremendously There are chances of explosion during preheating The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Ammonia yield is more All of these Aliphatic tar is produced Free carbon in tar is more Ammonia yield is more All of these Aliphatic tar is produced Free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS