航海英语船舶浮性章节练习(2018.03.04)

单项选择题
A moment is obtained by multiplying a force by its（）.
A.couple
B.lever arm
C.moment of inertia
D.point of application
单项选择题
Aboard a vessel，multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s（）.
A.TCG
B.transverse moment
C.righting moment
D.transverse free surface moment
单项选择题
Vessel shall possess（）valid for duration of charter Party showing winches and derricks in order.
A.International Cargo Gear Certificate
B.International Loadline Certificate
C.International Safety Construction Certificate
D.International Seaman Identification
单项选择题
The TPC curve，one of the hydrostatic curves in a vessel’s plans，gives the number of tons（）.
A.necessary to change the angle of list 1°at a given draft
B.necessary to change trim 1 cm at a given draft
C.pressure per square cm on the vessel's hull at a given draft
D.necessary to further immerse the vessel 1 cm at a given draft
单项选择题
From（）the information concerning the tons per inch or centimeter immersion of a vessel shall be usually found.
A.Stability curve
B.Deadweight scale
C.Table of Azimuth
D.Freeboard assignment
单项选择题
The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the（）.
A.baseline
B.vertical reference plane
C.hull
D.horizontal reference plane
单项选择题
The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the（）.
A.metacentric point
B.metacenter
C.metacentric radius
D.tipping center
单项选择题
An unstable upright equilibrium position on a vessel means that the metacenter is（）.
A.lower than the center of gravity
B.at the same height as the center of gravity
C.higher than the baseline
D.on the longitudinal centerline
单项选择题
Beams are cambered to（）.
A.increase their strength
B.provide drainage from the decks
C.relieve deck stress
D.All of the above
单项选择题
A vessel’s LCG is determined by（）.
A.dividing the total longitudinal moment summations by displacement
B.dividing the total vertical moment summations by displacement
C.multiplying the MTC by the longitudinal moments
D.subtracting LCF from LCB