航海英语航海英文函电单项选择题每日一练(2019.01.25)

单项选择题
A partly submerged vessel or object being towed，which is not readily noticeable，shall show （） .
A.yellow lights at each end
B.two red lights in a vertical line
C.a black ball
D.a diamond shape
单项选择题
the undersigned，Master of MV Roslyn，certify that my vessel（）the conditions laid down in Articles 18 and 45 of the Navigation Regulations.
A.satisfies
B.incurs
C.occurs
D.contains
单项选择题
After oil pollution occurs in Chinese ports，what action shall be first taken by ship’s Captain and Chief Engineer?（）
A.to use the oil dispersant
B.to organize the persons to collect the oil
C.to report the matter to MSA and ask for instructions
D.to put forward an accident report within 24 hours
单项选择题
（）of the following statements is INCORRECT regarding a fire and boat drill on board your cargo vessel.
A.At least one fire and boat drill shall be held within 24 hours of leaving a port where more than 25 percent of the crew has been replaced
B.The Master is responsible in seeing that each lifeboat is lowered to the water at least once in each 6 months
C.Lifeboat equipment shall be examined at least once each month to insure that it is complete
D.An entry shall be made in the vessel's Official Logbook relative to each fire and boat drill
单项选择题
A flooded leg on a liftboat would adversely affect the vessel’s stability underway by（）.
A.increasing the righting moment
B.decreasing the vessel's displacement
C.increasing the reserve buoyancy
D.shifting the CG (center of gravity) off center