Fuels and Combustion A good metallurgical coke should have very low Hardness & strength Porosity Sulphur & phosphorous content Fusion point of its ash Hardness & strength Porosity Sulphur & phosphorous content Fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value is the highest out of the following for Water gas Blast furnace gas Producer gas Coke oven gas Water gas Blast furnace gas Producer gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Intermittant and uncontrolled combustion of the fuel Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Excessive power requirement of air blower ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will Burn with a small non-smoky flame None of these Have a very high calorific value Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame None of these Have a very high calorific value Give less yield of tar and gas on carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Atomising steam to fuel oil ratio in a burner should be around 0.5 2.5 1.5 3.5 0.5 2.5 1.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the Damper Speed of the fan Variation in the pitch of the fan blades All of these Damper Speed of the fan Variation in the pitch of the fan blades All of these ANSWER DOWNLOAD EXAMIANS APP