API QUTE Practice Questions - API QUTE Qualified Ultrasonic TOFD Examiner Exam

A point reflector such as an isolated pore in a TOFD D-scan typically produces what characteristic pattern?

A straight horizontal line at the depth of the reflector A hyperbolic (parabolic) arc with apex at the closest approach of the probe pair to the reflector A vertical line from lateral wave to back-wall A chaotic speckle pattern with no shape

Correct Answer:

A hyperbolic (parabolic) arc with apex at the closest approach of the probe pair to the reflector

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