A sail hook is used for（）.

A shipmate suffers a heart attack and stops breathing. You must（）.

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

A vessel transferring cargo while underway is classified by the Rules as a vessel（）.

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

A note of protest is a declaration made by the Master of a vessel before a notary public.Its purpose is to（）.

A semisubmersible rig under tow should be ballasted down if（）.

A sign of thunderstorm development is a cumulus cloud（）.

According to the regulations，what type of gauging is required for a cargo of butadiene? （）

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? （）