6 knots
7 knots
9 knots
12 knots
第1题：
A head on situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and ______.
A.one sidelight and the masthead light are visible
B.the vessels will pass closer than half a mile
C.both vessels sound one prolonged blast
D.both sidelights and masthead light(s) are visible
第2题：
In which situation do the Rules require both vessels to change course ?______.
A.Two power-driven vessels meeting head-on
B.Two power-driven vessels crossing when it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate action
C.Two sailing vessels crossing with the wind on the same side
D.All of the above
第3题：
The_______in the steering gear move the rudder to the required angle
A.control equipment
B.power unit
C.transmission mechanisms
D.fittings and pipeline
第4题：
These hatches are usually driven by electric or hydraulic power.
These hatch covers are usually driven by electric or hydraulic power.
These hatch covers are usually driven by electric.
These hatch covers are usually driven by hydraulic power.
第5题：
apply the relevant Steering and Sailing Rules as a power-driven vessel
apply the relevant Steering and Sailing Rules as a Sailing vessel
apply the relevant Steering and Sailing Rules as a vessel not under command
apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operation
第6题：
According to the regulations，what type of gauging is required for a cargo of butadiene?
A.Open
B.Restricted
C.Closed
D.None
第7题：
这些舱盖通常是用电力或液压驱动的。（）
第8题：
According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?
A.6 knots
B.7 knots
C.9 knots
D.12 knots
第9题：
a non-power driven vessel
a sailing vessel
a power driven vessel
a power driven vessel or a non-power driven vessel
第10题：
transmitter at the steering station and a receiver at the steering engine
reversible motor at the steering station geared to the steering pumps
small induction motor on the bridge which controls the redder through pulleys
variable displacement hydraulic pump driven by a reversible DC motor