What is the BEST conductor of electricity（）.

Upon completion of fueling a gasoline driven vessel it is necessary to（）.

A qualified deck officer should be（）the watch.

Prior to each voyage the master of every ship shall ensure that the intended route from the port of departure to（）is planned using adequate and appropriate charts and other nautical publications necessary for the intended voyage.

While underway in thick fog you are on watch and hear the cry“man overboard”.Which type of maneuver should you make（）.

When the pilot is embarked he or she（）.

Which statement describes the shore between Watch Hill Point and Point Judith? （）

You are on watch and the Pilot has the conn.The Master has temporarily gone below.The Pilot orders a course change which you are certain will put the vessel into imminent danger.Your first action should be to（）.

If at any time the officer in charge of the navigational watch is to be relieved when a manoeuvre or other action to avoid any hazard is taking place,（）.

What is the purpose of the limit switch on gravity davits?（）