What do you mean by longitudinal control lines? – McqOptions

MCQOPTIONS

1.	What do you mean by longitudinal control lines?
A.	Smooth lines which controls overall shape of the conic cross-section
B.	Lines which expands to vertical direction only
C.	Lines which go in horizontal direction only
D.	Line which can be expanded only in lateral direction
Answer» B. Lines which expands to vertical direction only

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