Fuels and Combustion Sulphur in metallurgical coal Neither A nor B Both A and B Contributes to its heating value Affects the quality of steel produced as cracks develop on the surface while rolling the steel Neither A nor B Both A and B Contributes to its heating value Affects the quality of steel produced as cracks develop on the surface while rolling the steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products are __________ recovered in 'Beehive ovens'. Partially Not at all Fully Negligibly Partially Not at all Fully Negligibly ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Fusion point of its ash Sulphur & phosphorous content Hardness & strength Porosity Fusion point of its ash Sulphur & phosphorous content Hardness & strength Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal Hard semi-coke starts shrinking at 600°C All tar is evolved at < 600°C All of these Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All tar is evolved at < 600°C All of these Evolution of H₂ and formation of methane and aromatics occur at > 700°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fussain All of these Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal All of these Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzol is used For producing benzene, tolune & xylene by its distillation As a motor fuel blend Both A & B Neither A nor B For producing benzene, tolune & xylene by its distillation As a motor fuel blend Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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