USCG USCG Steam
Set 1 • Question #28 of 496
Launch Interactive Practice Room In order for a maximum number of boiler generating and circulating tubes to be installed without weakening the tube sheet, which of the listed procedures should be carried out?
A
All rows of tubes should be bent at the same angle.
B
All rows of tubes should be installed horizontal to the drum.
C
Different rows of tubes should be bent to enter the drum at any convenient angle.
D
All tubes should be installed normal to the drum surfaces.
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'In order for a maximum number of boiler generating and circulating tubes to be installed without weakening the tube sheet, which of the listed procedures should be carried out', the verified engineering fact is: 'All tubes should be installed normal to the drum surfaces.'.
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