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

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

ANSWER DOWNLOAD EXAMIANS APP