320 Hour Lash Specialty Practice Exam

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For an opening in a pressure vessel shell, the required reinforcement area is 1 200 mm². The shell excess thickness contributes 700 mm² and the nozzle excess thickness contributes 350 mm². Ignoring weld metal credit, how much additional reinforcement area is required?

100 mm² 250 mm² 150 mm² 0 mm²

Correct Answer:

150 mm²

Explanation:

Available reinforcement is 700 + 350 = 1 050 mm². The shortfall is 1 200 - 1 050 = 150 mm².

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