A.This reading is at the same elevation as the 6.2 ft. mark on the gage at Head of Passes
B.A vessel drawing 8 ft would be able to pass over the sill at Old River Lock
C.This reading is 6.4 feet below the Low Water Reference Plane
D.A vessel drawing 7 ft. would be able to pass through the locks at Lower Old River
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A.Green square
B.Red and green banded square
C.Green triangle
D.Green diamond
A.0°
B.10°
C.22.5°
D.None of the above
A.Abandon the towing vessel
B.Radio for emergency assistance
C.Slip the towline and allow it to run off the drum
D.Secure all watertight openings on the towing vessel
A.bank cushion
B.bank suction
C.combined effect
D.bend effect
A.in restricted visibility
B.in congested waters
C.during darkness
D.at all times
最新試題
When underway and proceeding ahead，as the speed increases，the pivot point tends to（）.
You are drifting in a locale where there is no current．As a rule，your vessel will lie（）.
The rules state that vessels may depart from the requirements of the Rules when（）.
Your ship is in shallow water and the bow rides up on its bow wave while the stern sinks into a depression of its transverse wave system.What is this called（）.
You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates（）.
Preferred channel marks are colored with（）．
When liquid is free to move transversely in a tank，the effect is called（）.
Which statement is TRUE in an overtaking situation（）.
In the absence of a route leading from seaward，the conventional direction of buoyage generally follows（）.
When attempting an upstream landing while pushing empty barges ahead in a hard onshore wind，the approach is best made（）.