Fuels and Combustion
Use of excess of combustion air in the combustion of fuels results in

Condensation of water vapour from the fuel gas
Long flame
Heat losses
None of these

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
Combustion of pulverised fuel

Suppresses the discharge of fine dust and grit into atmosphere
Requires larger combustion chamber than rich gaseous fuel
In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel
All of these

ANSWER DOWNLOAD EXAMIANS APP

Fuels and Combustion
A good metallurgical coke

Should have low fusion point of its ash
Should be brittle
Should have high porosity
Must contain moderate quantities of ash, moisture, sulphur and volatile matters

ANSWER DOWNLOAD EXAMIANS APP