Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the None of these Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel Supply of excess air None of these Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel Supply of excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by Alkaline pyrogallol solution Potassium hydroxide Cuprous chloride None of these Alkaline pyrogallol solution Potassium hydroxide Cuprous chloride None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank Neither A nor B Both A and B The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Ash Sulphur & phosphorus Moisture None of these Ash Sulphur & phosphorus Moisture None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzene is used As a motor fuel As an explosive For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a perfume As a motor fuel As an explosive For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR) As a perfume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. None of these Porosity Density Electrical resistivity None of these Porosity Density Electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
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