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（）.

In determining that the（）of the navigational watch is adequate to ensure that a proper look-out can continuously be maintained，the master shall take into account all relevant factors.

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

Who may perform as a lookout（）.

When the pilot is embarked he or she（）.

What is the most important difference between the bow type anchor shackle and the D-type anchor shackle? （）

What is the BEST conductor of electricity?（）

Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.

Your ship must（）.

You are on watch and the pilot has just anchored the vessel.The next thing that you should do after the anchor has been let go is to（）.