The lowest temperature at which the vapor formed from a liquid ignites and continues to burn steadily in the presence of an ignition source is called the （）

单项选择题Which of the following statements describes one of the functions of the ballast system?（）

A.To permit flooding of any fuel oil storage tank on any class of ship
B.To use it as a secondary service system
C.To store reserve feed or potable water for extended cruises
D.To stabilize the ship by flooding certain designed tanks with seawater

单项选择题The abbreviation GM is used to represent the （）

A.height of the metacenter
B.fighting arm
C.righting moment
D.metacentric height

单项选择题A segregated ballast system is a system where （）

A.all ballast is processed through the oily water separator
B.ballast is taken on and discharged through a separate main deck riser
C.ballast and cargo tanks are separated by cofferdams
D.all ballast lines, tanks, and pumps are independent of those used for oil

单项选择题A vessel is required to carry an Oil Record Book Part I to log entries in the book regarding the （）

A.discharge of ballast or cleaning water from fuel tanks
B.sounding levels of all fuel tanks on a daily basis
C.grade and specific gravity of all fuel oil carded
D.fuel consumption rates on a weekly basis

单项选择题An oil in water monitor is required in order to measure （）

A.the oil content in water
B.the water content in fuel oil
C.the water level in bilge well
D.the oil level in bilge well