In which zone does the amplitude of an indication from a given discontinuity diminish exponentially as the distance increases?

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:
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• It is possible for a discontinuity smaller than the transducer to produce indications of fluctuating amplitude as the search unit is moved laterally if testing is being performed in the:
• How is the size of a liquid penetrant indication usually related to the discontinuity it represents:
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• One of the most apparent characteristics of a discontinuity echo, as opposed to a nonrelevant indication is:
• 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:
• According to ASTM E709-95 and API, a linear indication is defined as an indication in which the length is equal to or greater than the width by a factor of:
• According to API, a non- relevant indication is defined as an indication which in the major dimension is equal to, or less than: