Fuels and Combustion Washing of coal is done to reduce the Mineral matter Both B and C Adhering impurities Inherent impurities Mineral matter Both B and C Adhering impurities Inherent impurities 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
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 Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Anthracite coal Blast furnace coke Sub-bituminous coal Low temperature coke Anthracite coal Blast furnace coke Sub-bituminous coal Low temperature coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Reforming Gasification Partial oxidation Cracking Reforming Gasification Partial oxidation Cracking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Is harder and stronger Has low quantity of mineral matter Is not subjected to washing Has higher calorific value Is harder and stronger Has low quantity of mineral matter Is not subjected to washing Has higher calorific value ANSWER DOWNLOAD EXAMIANS APP
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