USCG USCG Steam
Set 16 • Question #217 of 496
Launch Interactive Practice Room In a boiler, water flows downward in tubes furthest from the fires and flows upward in tubes nearest the fires because __________.
A
water is denser in the tubes farthest from the fires
✓ Correct Answer
B
water is less dense in the tubes farthest from the fires
C
tubes farthest from the fires have a greater diameter
D
tubes farthest from the fires have a smaller diameter
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'In a boiler, water flows downward in tubes furthest from the fires and flows upward in tubes nearest the fires because', the verified engineering fact is: 'water is denser in the tubes farthest from the fires'.
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