A lead line or sounding line – McqOptions

MCQOPTIONS

1.	A lead line or sounding line
A.	is stretched thoroughly when wet before it is graduated
B.	should be soaked in water for about one hour prior to taking soundings
C.	is adjusted at regular interval
D.	is generally used for depths exceeding 6 m
E.	all the above.
Answer» F.

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