How does an inert gas system on a tanker function to prevent explosions in cargo tanks? （）

A seaman assaults the Second Mate and injures him with a beer bottle while the ship is at sea. The incident is logged in the Official Logbook. In subsequent suspension and revocation proceedings against the seaman，according to the regulations，（）.

A seaman may have all or part of his wages deposited by allotment to a bank or savings institution. Which of the following is NOT a requirement for this type of allotment? （）

Fearing damage from either or both of the above incidents，the Master now（）me this note of protest，reserving to himself the right to extend same at time and place convenient．

A vessel loads 5000 tons of manganese ore. The railroad cars that brought the ore to the vessel were previously loaded with iron ore so the ore is contaminated. The agent requests the Master to sign a Clean Bill of Lading and in return the shipper will give him a Letter of Indemnity. What is the best procedure to follow? （）

A series of trays with sieves that vibrate to remove cuttings from the circulating fluid in rotary drilling operations is called the（）.

A schooner is a fore-and-aft rigged vessel with（）.

A signal indicating zone time is preceded with the letter（）.

A set of interior steps on a ship leading up to a deck from below is know as（）.

A semisubmersible with a positive GM，and TCG located starboard of the centerline，inclines to an angle of（）.