Fuels and Combustion Main constituent of natural gas is C₃H₈ C₂H₆ CH₄ (upto 90%) H₂ C₃H₈ C₂H₆ CH₄ (upto 90%) H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Softening temperature of coal ash is a measure of the __________ of coal. Coking tendency Clinkering tendency Size stability Caking tendency Coking tendency Clinkering tendency Size stability Caking tendency ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? H₂ CH₄ CO None of these H₂ CH₄ CO None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 950 1150 550 750 950 1150 550 750 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³. 30, 000 3000 300 30 30, 000 3000 300 30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always 1 > 1 Unpredicatable 1 > 1 Unpredicatable ANSWER DOWNLOAD EXAMIANS APP
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