NV C-1A Boilers Practice Questions - Nevada C-1A Boilers Contractor Examination Exam

A 10-minute soap test at 1 psig only. A hydrostatic or pneumatic test at not less than 1-1/2 times maximum working pressure, but not less than 5 psig, held at least 30 minutes. An oxygen pressure test at 25 psig for 24 hours. No test is required if flared copper fittings were used.