What does the acronym MAWP refer to?

• A.Maximum external pressure permitted in the piping system
• B.Maximum internal pressure permitted in the piping system
• C.Minimum internal pressure permitted in the piping system
• D.Maximum external stress permitted in the piping system

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What is the minimum holding time of SA-106 Grade B, 1 inch thick material?

• A.1 hour
• B.2.4 hours
• C.not specified
• D.2 hours

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A leak test is an alternative to inspection of buried piping.
What is the minimum liquid pressure to adequately conduct this test?

• A.10% greater than MAWP
• B.Actual MAWP
• C.1 1/4 times the MAWP
• D.1 1/2 times the MAWP

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Appropriate permanent and progressive records on each piping system shall include.

• A.all original construction data
• B.system service; classification; identification numbers
• C.all jurisdictional requirements
• D.original heat and batch numbers

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Buried piping inspected periodically by excavation shall be inspected in lengths of:

• A.6 feet -8 feet.
• B.Any length as long as it is inspected 180° circumference.
• C.3 feet -5. feet
• D.Any length as long as It IS Inspected full circumference.

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