Which of the following tests are used to perform a pressure tightness test on a piping system? (Select all that apply.)

a. Hydrostatic testing
b. Pneumatic testing
c. Temperature testing
d. Hypertesting


a. Correct. Initially upon installation and from time to time, it is necessary to perform a pressure tightness test to verify that the piping system can still safely handle the system pressure. The most common types of tests are hydrostatic and pneumatic.
b. Correct. Initially upon installation and from time to time, it is necessary to perform a pressure tightness test to verify that the piping system can still safely handle the system pressure. The most common types of tests are hydrostatic and pneumatic.
c. Incorrect. Initially upon installation and from time to time, it is necessary to perform a pressure tightness test to verify that the piping system can still safely handle the system pressure. The most common types of tests are hydrostatic and pneumatic.
d. Incorrect. Initially upon installation and from time to time, it is necessary to perform a pressure tightness test to verify that the piping system can still safely handle the system pressure. The most common types of tests are hydrostatic and pneumatic.

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