What type of piping inspection uses a hydraulic pump to increase the pressure on a water-filled system in order to test for leaks?
A. Pressure tightness testing
B. Hydrostatic testing
C. Pneumatic testing
D. Nondestructive examination
A. Incorrect. Hydrostatic testing, pneumatic testing, and nondestructive examination are all types of pressure tightness testing.
B. Correct. Hydrostatic testing uses a hydraulic pump to increase the pressure on a water-filled system in order to test for leaks.
C. Incorrect. In pneumatic testing, the system is isolated and then air is introduced and compressed to a desired pressure.
D. Incorrect. Nondestructive examination can include radiography (X-ray) (RT), magnetic particle inspection (MT), dye penetrant testing (PT), ultrasonic inspection (UT), and visual inspection (VT).
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