When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）

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

What is the BEST conductor of electricity（）.

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,（）.

The officer in charge of the navigational watch shall not hand over the watch to the relieving officer if（）.

You have orders to drop off a barge loaded with propylene oxide at a fleet.In doing so，you must ensure that（）.

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

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

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

Who may perform as a lookout（）.