Fuels and Combustion Combustion of pulverised fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Caking coal Pulverised coal Coking coal Non-caking coal Caking coal Pulverised coal Coking coal Non-caking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Decreases Increases Remains unaltered May increase or decrease (depends on the method of storage) Decreases Increases Remains unaltered May increase or decrease (depends on the method of storage) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is No possibility of obtaining complete combustion at high temperature Neither A nor B Both A & B Always loss of heat from the flame No possibility of obtaining complete combustion at high temperature Neither A nor B Both A & B Always loss of heat from the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Natural gas Blast furnace gas Water gas Coke oven gas Natural gas Blast furnace gas Water gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bright coal Contains more than 90% durain Contains more than 90% fussain Contains mainly vitrain & clarain and is generally coking Is non-coking Contains more than 90% durain Contains more than 90% fussain Contains mainly vitrain & clarain and is generally coking Is non-coking ANSWER DOWNLOAD EXAMIANS APP
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