Q322
Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head.
A.
6% of I.D.
B.
3 times the thickness
C.
Either A or B, whichever is larger
AnswerD.
Either A or B, whichever is smaller
Answer: Option C
Solution
Answer: Option C
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