Clean, Purge, and Test Tubing and Piping Systems (12303-15)

When should a pressure relief valve be added to the connections for a pressure test?

For all pressure tests

When performing an initial service test, the test pressure should be applied

gradually

Steam cleaning is a common cleaning method because

it will remove oils and grease

Leak repairs should never be made

as long as the system is still pressurized

After installing and cleaning instrumentation piping, tubing, and hoses, the system should be

purged

Brittle fracture occurs when

the test medium is significantly different in temperature than the tested system

When testing piping or tubing, the test pressure should not be applied

until the test medium is at a specified temperature

Before attempting to disassemble or further tighten a grip-type compression fitting, always

place a mark across the tube nut and fitting body

The process of passivating is designed to

form a protective layer to inhibit corrosion

Why is acid cleaning not used as a standard cleaning method?

The danger to untrained personnel when handling acid is excessive