One of the most apparent characteristics of a discontinuity echo, as opposed to a nonrelevant indication is:

Related MCQs

• Flux density is a measure of the number of magnetic flux lines perpendicular to an area of cross-section. If a discontinuity is in the plane of the unit area, the strongest magnetic article indication will be formed when the discontinuity is:
• In a radiograph of a weld there is an indication appearing at the end of the weldbead. It appears as a dark rounded indication with fine small tails coming from around the rounded indication giving it some what of a star-shaped appearance. This would probably be:
• A magnetic particle build-up from a discontinuity is strongest when the discontinuity is oriented:
• When testing a test piece with parallel front and back surfaces, no back wall echo can be obtained. Which of the following actions might enable you to obtain a back wall echo?
• Compared to the echo returned from a smooth reflector, the echo returned from a natural flaw of the same area and orientation is:
• How is the size of a liquid penetrant indication usually related to the discontinuity it represents:
• A magnetic particle indication is sharp and very fine; this suggests that the discontinuity is:
• In which zone does the amplitude of an indication from a given discontinuity diminish exponentially as the distance increases?
• Spurious or nonrelevant indications might be suspected if:
• According to ASME Section VIII, a linear indication is defined as an indication in which the length is equal to or greater than the width by a factor of: