A tester is evaluating an RP assembly where check valve #2 holds 3.0 psi but check valve #1 only holds 4.8 psi. What is the verdict?
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A
Pass — check #1 holds more than check #2, which is acceptable
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B
Fail — check #1 must hold a minimum of 5.0 psi
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C
Pass — both checks exceed the 1.0 psi minimum for DCA
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D
Fail — the two check valves must hold within 1.0 psi of each other