

MCQOPTIONS
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1. |
The object of producing draught in a boiler is _________ |
A. | to discharge the gases of combustion to the atmosphere through the chimney |
B. | all of the mentioned |
C. | to exhaust the gases of combustion from the combustion chamber |
D. | to provide an adequate supply of air for the fuel combustion |
Answer» C. to exhaust the gases of combustion from the combustion chamber | |