Fuels and Combustion A coal with high __________ content, would ignite most easily. Ash Volatile matter Fixed carbon Oxygen Ash Volatile matter Fixed carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Bag filter Wet scrubber Hydrocyclones Multicyclones Bag filter Wet scrubber Hydrocyclones Multicyclones ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to Inadequate ventilation All of these Storage in large heaps with small surface to volume ratio Low temperature oxidation Inadequate ventilation All of these Storage in large heaps with small surface to volume ratio Low temperature oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used As a perfume As a motor fuel As an explosive For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a perfume As a motor fuel As an explosive For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick out the wrong statement. Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Time of carbonisation All of these Yield of gas and tar Fuel consumption in coking Time of carbonisation All of these Yield of gas and tar Fuel consumption in coking ANSWER DOWNLOAD EXAMIANS APP