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 Gasification Hydrogenation Carbonisation None of these Gasification Hydrogenation Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? Bitumen Molasses None of these Coal tar Bitumen Molasses None of these Coal tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Durain Clarain Vitrain Fussain Durain Clarain Vitrain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal is done to reduce the Both B and C Adhering impurities Inherent impurities Mineral matter Both B and C Adhering impurities Inherent impurities Mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should have low fusion point of its ash Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should have low fusion point of its ash Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing very high percentage of durain is called __________ coal. Boghead Non-banded Splint Bright Boghead Non-banded Splint Bright ANSWER DOWNLOAD EXAMIANS APP
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