In a boiler installation the natural draught is produced

MCQ Practice

Subject: Electrical EngineeringTopic: Power Plant Engineering In Ee

due to the fact that furnace gases being light go through the chimney giving place to cold air from outside to rush in

due to the fact that pressure at the grate due to cold column is higher than the pressure at the chimney base due to hot column

due to the fact that at the chimney top the pressure is more than its environmental pressure

all of the above

Correct Answer: B

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