An effective method of testing for air bubbles in a pipe is to:

Related MCQs

• During immersion testing of pipe or tubing the incident longitudinal wave angle must be limited to a narrow range. The reason for the upper limit is:
• A calibration for immersion ultrasonic testing of pipe or tubing should establish a transducer position such as:
• During immersion ultrasonic testing of pipe or tubing, spurious echoes may be caused by:
• The following precautions must be observed when removing the excess surface penetrant with a water wash method using a hose pipe:
• Which of the following is the most desirable method of pre-cleaning a test piece prior to penetrant testing?
• What is the preferred method of removing paint prior to performing a penetrant testing?
• A penetrant testing method in which an emulsifier, separate from the penetrant, is used is called:
• A penetrant testing method in which the degree of washability can be controlled by the operator is called:
• Open, shallow discontinuities are best detected by which penetrant testing method?
• During ultrasonic testing by the immersion method, it is frequently necessary to angulate the search unit when a discontinuity is located at an angle in order to: