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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 | |
A. | requirement of large volume combustion chamber. [Wrong Answer] |
B. | risk of explosion. [Correct Answer] |
C. | chances of clinker formation. [Wrong Answer] |
D. | incomplete combustion of coal. [Wrong Answer] |