Bottoms Exam Questions and
Answers 100% Pass
dishing settlement - ✔✔*General Repair Req* Welded-on patch plates shall not be
placed over areas of the tank bottom that have global or local _____ [except as allowed
by 9.10.1.1 d)], _______, or distortion greater than the limits of Annex B.
12 1/4 bottom 3/8 - ✔✔A welded-on patch plate may be placed over a mechanical dent
or local dishing if:
1. Its unsupported dimension does not exceed __ in. in any direction;
2. It is at least ____(fraction) in. thick;
3. It is at least as thick as the existing _____;
4. And does not overlap seams nor other patches, except for tanks designed in
accordance with API 650, Annex M, which shall have welded-on patch plates at least
______(fraction) in. thick.
6 seam 2 - ✔✔A welded-on patch plate smaller than 12 in. in diameter is permitted if: it
is equal to or exceeds ______ in. in diameter; it does not overlap a bottom ______; it is
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