According to 46 CFR's, steam piping subject to main boiler pressure must be hydrostatically tested at specified intervals. Therefore, which of the following statements is true?

Question

Accepted Answer

Piping under 3 inches nominal pipe size need not be hydrostatically tested.

Answer

The piping must be tested at a pressure and temperature specified by a Coast Guard marine inspector.

Answer

The piping must be tested at 1 1/2 times working pressure every 4 years.

Answer

The piping must be tested at 2 times maximum allowable pressure every 4 years.

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