Fuels and Combustion Froth floatation is used for Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash All of these Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb All of these Both O₂ and CO Both O₂ and CO₂ Only O₂ All of these Both O₂ and CO Both O₂ and CO₂ Only O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 8 12 22 36 8 12 22 36 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bunsen burner is an example of a/an __________ burner. Outside mixing/diffusion flame/nozzle mix type Submerged combustion Inside mixing/premix type Rotary cup Outside mixing/diffusion flame/nozzle mix type Submerged combustion Inside mixing/premix type Rotary cup ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Aliphatic tar is produced Ammonia yield is more All of these Free carbon in tar is more Aliphatic tar is produced Ammonia yield is more All of these Free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Alphatic compounds Olefins Paraffins Aromatic compounds Alphatic compounds Olefins Paraffins Aromatic compounds ANSWER DOWNLOAD EXAMIANS APP
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