A dark circle type indication appearing on a radiograph that is the result of the failure of a core support to completely melt is called:

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:
• 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:
• The range of the specimen thickness that can be adequately recorded on a radiograph is known as the of the radiograph.
• The ‘multi-film’ technique may be used when one radiograph film does not have enough to produce a satisfactory radiograph of a specimen.
• Dark rounded indications with rather smooth edges appear on the radiograph of casting made in sand mould. These indications would be interpreted as:
• A dark, irregular indication which is located adjacent to the toe of the weld would probably be:
• A radiographic indication in a weld, characterised by two parallel dark lines in the film image, would probably be caused by:
• 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: