Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Risk of explosion Chances of clinker formation Incomplete combustion of coal Requirement of large volume combustion chamber Risk of explosion Chances of clinker formation Incomplete combustion of coal Requirement of large volume combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Neither A nor B Its height Temperature of the flue gas Both A & B Neither A nor B Its height Temperature of the flue gas Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Reactivity None of these Hardness Strength Reactivity None of these Hardness Strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content will necessarily have lower Caking index Ignition temperature Ash fusion temperature Calorific value Caking index Ignition temperature Ash fusion temperature Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of Light paraffinic fuel oils is equal to that of equivalent olefins Light paraffinic fuel oils is lower than that of equivalent olefins N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is higher than that of equivalent olefins Light paraffinic fuel oils is equal to that of equivalent olefins Light paraffinic fuel oils is lower than that of equivalent olefins N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is higher than that of equivalent olefins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has All of these Lower strength Lower bulk density Higher reactivity All of these Lower strength Lower bulk density Higher reactivity ANSWER DOWNLOAD EXAMIANS APP