Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Clarain Vitrain Durain Fussain Clarain Vitrain Durain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Sewage gas Blast furnace gas Coke oven gas Natural gas Sewage gas Blast furnace gas Coke oven gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Furnace oil, light diesel oil and tar/PCM Coal middling from washeries Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Furnace oil, light diesel oil and tar/PCM Coal middling from washeries ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 550 to 650 100 to 150 350 to 450 700 to 850 550 to 650 100 to 150 350 to 450 700 to 850 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 1700-1800 400-500 900-1000 1400-1500 1700-1800 400-500 900-1000 1400-1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is N₂ CO₂ CH₄ H₂ N₂ CO₂ CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
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