A A widening of the front surface indication, when testing a rough surface, is caused by:

Related MCQs

• 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:
• 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:
• A dark, jagged, linear indication appears on a radiograph of a casting. The area is a transition area between a thick and a thin section. This indication should be interpreted as:
• When a vertical indication has reached the maximum signal height which can be displayed or viewed on the CRT of an ultrasonic instrument, the indication is said to have reached its:
• In contact testing, the entry surface indication is sometimes referred to as:
• In immersion testing, the position of the search unit is often varied to transmit sound into the test part at various angles to the front surface. Such a procedure is referred to as:
• A radiographic indication in a weld, characterised by two parallel dark lines in the film image, would probably be caused by:
• When variations are noticed in the front surface reflection, the test piece should be inspected for possible near surface discontinuities by: