Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Proximate analysis Caking index Calorific value Ultimate analysis Proximate analysis Caking index Calorific value Ultimate analysis ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of preheated primary air Use of thick fire bed Low fusion point of ash (< 1100° C) All of these Use of preheated primary air Use of thick fire bed Low fusion point of ash (< 1100° C) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the dew point of flue gases Decreases May increase or decrease ; depends on the type of fuel Increases Remains same Decreases May increase or decrease ; depends on the type of fuel Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Rate of low temperature oxidation of coal due to bad storage conditions Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Is more for low volatile coal compared to high volatile coal Decreases with increase in surface area Does not vary with increase in surface area Is accelerated by storage in large heaps with small surface to volume ratio Is more for low volatile coal compared to high volatile coal Decreases with increase in surface area ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 75 10 25 50 75 10 25 50 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 Gasification Carbonisation Hydrogenation None of these Gasification Carbonisation Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
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