USCG USCG Steam
Set 15 • Question #200 of 496
Launch Interactive Practice Room Scavenging air is supplied to steam soot blower elements to __________.
A
prevent back up of combustion gases into soot blower heads
✓ Correct Answer
B
provide cooling air when soot blower elements are rotating through blowing arcs
C
prevent build up of soot on the element
D
prevent overheating of adjacent tubing
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Scavenging air is supplied to steam soot blower elements to', the verified engineering fact is: 'prevent back up of combustion gases into soot blower heads'.
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