Process Equipment and Plant Design
Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is

More
Same
Less
More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein

ANSWER DOWNLOAD EXAMIANS APP

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.

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

ANSWER DOWNLOAD EXAMIANS APP