Cracks which are caused by alternating stresses above a critical level are called:

Related MCQs

• Cracks which are caused by a combination of tensile stress and corrosion are called:
• Cracks which are caused by a combination of tensile stress and corrosion are called:
• When a casting is being non destructively examined for critical service, and the possibility of cracks exists, which of the following techniques would be best?
• According to ASMT E709-95 alternating current electromagnetic yokes should give a lifting force of at least:
• According to ASTM E709-95, Table 3., alternating current electromagnetic yokes must have a lifting force of at least:
• Cracks, lack of penetration, lack of fusion which are surface breaking on a welded aluminium plate which has been liquid penetrant tested will show as:
• Highest sensitivity to fine surface cracks would be obtained by which of the following techniques?
• Which of the following will best define surface cracks?
• A common application of an aluminium block containing quench cracks is to:
• The most effective NDT method for locating surface cracks in ferromagnetic materials is: