Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with More than theoretically required amount of air Theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Decrease in its calorific value None of these Increase in its strength Brittleness of steel made by using it Decrease in its calorific value None of these Increase in its strength Brittleness of steel made by using it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Causes heat loss of fuel by its partial combustion Both A & B Lengthens the flame Shortens the flame Causes heat loss of fuel by its partial combustion Both A & B Lengthens the flame Shortens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1100 1250 1400 1350 1100 1250 1400 1350 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent. 2.5 7.5 14.5 10.5 2.5 7.5 14.5 10.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. None of these Carbonisation Gasification Hydrogenation None of these Carbonisation Gasification Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
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