Which one of these statements is NOT true?
A)If cracks in a metal casting are found during an inspection, they should be repaired or the part replaced.
B)Stress or strain on a weak point of a casting causes it to distort at that point.
C)Immediately following crack repair by welding, it is important to flush the part with cold water.
D)Cracks in metal castings are the result of stress or strain on a section of the casting.

Question

Quizplus · Accepted Answer

Flushing a part with cold water immediately after welding can cause rapid cooling, leading to thermal stress and potential cracking. Proper post-weld heat treatment typically involves controlled cooling to avoid such issues.

Which One of These Statements Is NOT True