Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Porosity Electrical resistivity None of these Density Porosity Electrical resistivity None of these Density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of L.D. converter gas is about __________ Kcal/Nm³ . 4500 1800 800 10000 4500 1800 800 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Oxidation None of these Fermentation Hydrogenation Oxidation None of these Fermentation Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Ash None of these Moisture Sulphur & phosphorus Ash None of these Moisture Sulphur & phosphorus ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuel - 200 (CTF 200) is a mixture of Light oil and pitch Pitch and creosote oil Solar oil and pitch Anthracene and crecosote oil Light oil and pitch Pitch and creosote oil Solar oil and pitch Anthracene and crecosote oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 350 to 450 100 to 150 700 to 850 550 to 650 350 to 450 100 to 150 700 to 850 550 to 650 ANSWER DOWNLOAD EXAMIANS APP