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

What is the female section of a tool joint called? （）

You are standing the wheelwatch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot.What should you do（）.

What is the best instrument for establishing a safe working area before welding in a confined space? （）

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 you are on watch entering port，the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot.You should make sure the helmsman（）.

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（）.

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（）.

Your ship must（）.

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