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246. What is the minimum permissible design metal temperature for a 280<br />
foot diameter tank, 75 feet high, tank radius is 1,680 inches, plate material<br />
ordered is 1.125 " (including corrosion allowance) A 516-55 as rolled, killed<br />
fine-grain practice without impact testing.<br />
(a) + 8<br />
(b) 0<br />
(c) - 4<br />
(d) All Material must be impact tested<br />
REF: <strong>API</strong> 650-2.2.9.2 (Fig. 2-1)<br />
ANS: (c) (-2?)<br />
Charlie Chong/ Fion Zhang
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