deck edge immersion
the load line
downflooding
loll
第1题：
Assuming an even transverse distribution of weight in a vessel，which condition could cause a list ________．
A.Empty double-bottoms and lower holds，and a heavy deck cargo
B.Flooding the forepeak to correct the vessel's trim
C.Having KG smaller than KM
D.Having a small positive righting arm
第2题：
When a wind force causes a floating ship to heel to a static angle，the ______．
A.Centers of buoyancy and gravity are in the same vertical line
B.Righting moment equals the wind-heeling moment
C.Downflooding point is below water
D.Deck-edge immersion occurs
第3题：
With a given load on the cargo hook，tension in a single span topping lift ______.
A.increases as the boom's angle to the horizontal increases
B.is at a maximum when the boom is at a 45° angle to the horizontal
C.increases as the boom's angle to the horizontal decreases
D.decreases as the boom's angle to the horizontal decreases
第4题：
In small angle stability, the metacentric height ______.
A.is found in the hydrostatic tables for a level vessel
B.multiplied by the displacement yields the righting moment
C.is always positive
D.is calculated by subtracting KG from KM
第5题：
A vessel’s maximum stability is closely associated with which of the following?______. ① The angle of deck-edge immersion. ② The amount of freeboard.
A.① only
B.② only
C.Both ① and ②
D.Neither ① nor ②
第6题：
The righting moment can be determined by multiplying the displacement by the ______．
A.vertical center of gravity（KG）
B.longitudinal center of gravity（LCG）
C.righting arm（GZ）
D.center of gravity（CG）
第7题：
When relieving the helm，the new helmsman should know the ______．
A.Course per magnetic steering compass
B.Gyro error
C.Variation
D.Maximum rudder angle previously used
第8题：
A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is ______.
A.positive
B.negative
C.zero
D.vertical
第9题：
If the vertical center of gravity (VCG) of a ship rises 1.7 feet, the righting arm (GZ) for the various angles of inclination will ______.
A.decrease
B.increase
C.remain unchanged
D.be changed by the amount of GG’ x cosine of the angle
第10题：
Metacentric height is a measure of ______.
A.initial stability only
B.stability through all angles
C.maximum righting arm
D.All of the above