Fuels and Combustion Washing of coal is done to reduce the Inherent impurities Adhering impurities Mineral matter Both B and C Inherent impurities Adhering impurities Mineral matter Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of F. gas and coke oven gas Blast furnace gas and naphtha vapor Coke oven gas and L.P.G Coke oven gas and converter gas F. gas and coke oven gas Blast furnace gas and naphtha vapor Coke oven gas and L.P.G Coke oven gas and converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Density None of these Electrical resistivity Porosity Density None of these Electrical resistivity Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is used for making the explosive 'TNT'? Cerosote Toluene Pyridine Benzol Cerosote Toluene Pyridine Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in beehive coke oven is about Two weeks 2-3 days One week 12 hours Two weeks 2-3 days One week 12 hours ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value? Lignite Sub-bituminous coal Peat Anthracite Lignite Sub-bituminous coal Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP