Fuels and Combustion Which of the following has the highest calorific value? Anthracite Lignite Sub-bituminous coal Peat Anthracite Lignite Sub-bituminous coal Peat ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High ash containing coke Is desirable in producer gas manufacture Has poor strength and abrasion resistance None of these Produces more slag when used in the blast furnace Is desirable in producer gas manufacture Has poor strength and abrasion resistance None of these Produces more slag when used in the blast furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Burns completely Gives smokeless burning Shows little or no fusing action None of these Burns completely Gives smokeless burning Shows little or no fusing action None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For maximum discharge through a chimney, its height should be Infinitely long More than 105.7 metres Equal to the height of the hot gas column producing draught 200 meters Infinitely long More than 105.7 metres Equal to the height of the hot gas column producing draught 200 meters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Sulphur content is lower All of these Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher Sulphur content is lower All of these Flue gas has lower dew point thereby facilitating more waste heat recovery Emissivity factor is higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Benzol Pitch-cresosote mixture (PCM) Ethylene Napthalene Benzol Pitch-cresosote mixture (PCM) Ethylene Napthalene ANSWER DOWNLOAD EXAMIANS APP