Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Only O₂ Both O₂ and CO₂ All of these Both O₂ and CO Only O₂ Both O₂ and CO₂ All of these Both O₂ and CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a lean fuel gas? LPG Coke oven gas Natural gas Blast furnace gas LPG Coke oven gas Natural gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Ignition temperature Type (solid, liquid or gaseous) Sulphur content Calorific value Ignition temperature Type (solid, liquid or gaseous) Sulphur content Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Sulphur & phosphorous content Porosity Fusion point of its ash Hardness & strength Sulphur & phosphorous content Porosity Fusion point of its ash Hardness & strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to None of these Burn the lumpy coal Completely burn the volatile matter Pneumatically convey the pulverised coal None of these Burn the lumpy coal Completely burn the volatile matter Pneumatically convey the pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Hydrocarbons Oxygen Hydrogen Carbon monoxide Hydrocarbons Oxygen Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP