SC Pressure And Process Piping Practice Questions - South Carolina Pressure And Process Piping Contractor Examination Exam

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A B31.1 power-piping system with a 200 psig design pressure will be pneumatically tested. What is the allowed test-pressure range?

Not less than 1.1 × 200 = 220 psig and not more than 1.33 × 200 = 266 psig Not less than 1.2 × 200 = 240 psig and not more than 1.5 × 200 = 300 psig, and not above any component's allowable test pressure Exactly 200 psig, because B31.1 forbids any overpressure on air tests 2.0 × 200 = 400 psig for 10 seconds

Correct Answer:

Not less than 1.2 × 200 = 240 psig and not more than 1.5 × 200 = 300 psig, and not above any component's allowable test pressure

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