You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility ().

Instructions for training of new seamen are usually found in ______.

You are communicating on the radiotelephone using plain English.Which procedural word(proword)indicates that you have received another vessel's transmission ().

A sidereal day is shorter than a solar day.This difference is due to ().

Every vessel which is directed by these Rules to keep out of the way of another vessel shall，if the circumstances of the case admit，avoid ().

EXCEPT when suffering from a head or chest injury a patient in shock should be placed in which position ().

The horizontal plane，perpendicular to the zenith-nadir axis，that intersects with the celestial sphere and is tangent to the earth is called the ().

The Master of a vessel berthed，moored or anchored within the area of jurisdiction and who wishes to move his vessel to another berth，mooring or anchorage within that area ______ from‘Bahrain Port Control’prior to movin

You are loading in the winter in Albany，N.Y.，for a voyage to a port governed by the tropical load line mark.Which of the following statements is TRUE ()_.(Hydrometer reading in Albany is 1.000)

Your vessel goes aground in soft mud.You would have the best chance of refloating it on the next tide if it grounded at ______.

Which is NOT a required entry in the ship's Official Logbook ________.