Generally, elliptical dished heads____________________?

A. ssure vessels operating above a pressure of 1.5 MN/m2

B. ll of the same thickness and diameter

C. Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for

D. Are approximately as strong as seamless cylindrical shell having the corresponding I.D and

F. All A., B. and C.

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