Fuels and Combustion During coking of coal, the ash content (percentage) None of these Increases Decreases Remains constant None of these Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature All of these Provides better control of furnace temperature Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature All of these Provides better control of furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is H₂ C₃H₈ C₂H₆ CH₄ (upto 90%) H₂ C₃H₈ C₂H₆ CH₄ (upto 90%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Coalification Carbonisation Gasification Deoxidation Coalification Carbonisation Gasification Deoxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bunsen burner is an example of a/an __________ burner. Submerged combustion Outside mixing/diffusion flame/nozzle mix type Rotary cup Inside mixing/premix type Submerged combustion Outside mixing/diffusion flame/nozzle mix type Rotary cup Inside mixing/premix type ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draught produced by a chimney depends upon the Height of the chimney Neither A nor B Both A & B Density of the chimney gases Height of the chimney Neither A nor B Both A & B Density of the chimney gases ANSWER DOWNLOAD EXAMIANS APP
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