Process Equipment and Plant Design
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.

Either A or B, whichever is larger
6% of I.D.
3 times the thickness
Either A or B, whichever is smaller

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the

Central dished section and corner torus section
Corner torus section and central dished section
Straight flange section and corner torus section
Central dished section and straight flange section

ANSWER DOWNLOAD EXAMIANS APP