Fuels and Combustion Washing of coal decreases its Both B and C Mineral matter content Ash content Caking index Both B and C Mineral matter content Ash content Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ is used as jet engine fuel. Kerosene LPG Diesel Petrol Kerosene LPG Diesel Petrol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Mixing with blast furnace gas Hot scarfing of steel slabs Steel ladle drying Coke oven battery heating Mixing with blast furnace gas Hot scarfing of steel slabs Steel ladle drying Coke oven battery heating ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Alphatic compounds Aromatic compounds Paraffins Olefins Alphatic compounds Aromatic compounds Paraffins Olefins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Handling (e.g. when emptying wagons) None of these Combustion of fire slacks on the grates Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) None of these Combustion of fire slacks on the grates Its pulverisation (as it requires more power) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Neither A nor B Because, it alone produces unreactive coke Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Because, it alone produces unreactive coke Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls ANSWER DOWNLOAD EXAMIANS APP