during the day，three balls in a vertical line
during the day，three shapes，the highest and lowest being balls and the middle being a diamond
when making way at night，two all-round red lights，sidelights，and a sternlight
when making way at night，masthead lights，sidelights，and a sternlight
第1题：
A vessel restricted in her ability to maneuver is one which______．
A.through some exceptional circumstance is unable to maneuver as required by the Rules
B.from the nature of her work is unable to maneuver as required by the Rules
C.due to adverse weather conditions is unable to maneuver as required by the Rules
D.has lost steering and is unable to maneuver
第2题：
Approaching a anchorage in fog, you hear one short, one prolonged, and one short blast in that sequence on a ship’s whistle. This indicates ______.
A.A vessel towed
B.A vessel not under command and unable to maneuver.
C.A vessel anchored giving warning of her position.
D.A vessel stopped dead in the water.
第3题：
______ can be regarded as a vessel restricted in her ability to maneuver．
A.Any aircraft designed to maneuver on the water
B.A vessel engaged in dredging，surveying or underwater operations
C.A vessel under sail provided that propelling machinery is not used
D.A small vessel sailing at night
第4题：
By day，she shall carry a black cylinder shape
By day，she shall carry two black balls in a vertical line
By night，she would show the same lights as a vessel not under command
By day，she would show the same shapes as a vessel restricted in her ability to maneuver
第5题：
A vessel transferring provisions while underway
A pushing vessel and a vessel being pushed when connected in a composite unit
A vessel servicing a navigation mark
A vessel launching aircraft
第6题：
A vessel that is defined as restricted in her ability to manoeuver is unable to keep out of the way of another vessel due to ______.
A.her draft
B.the nature of her work
C.some exceptional circumstances
D.a danger of navigation
第7题：
For the purpose of the Rules, except where otherwise required, the term ______.
A.vessel includes seaplanes
B.seaplane includes non-displacement craft
C.vessel engaged in fishing includes a vessel fishing with trolling lines
D.vessel restricted in her ability to maneuver includes fishing vessels
第8题：
Which of the following would be considered downflooding on a fishing vessel as defined in regulation?
A.Vessel heels until water enters a hatch
B.Vessel in collision floods through a damaged area above the waterline
C.Vessel takes on water due to the hatches being left open in heavy rain
D.Vessel takes on water by the propeller shaft due to failure of the stern gland
第9题：
When vessel is on fire
When vessel is not under command
When vessel is carrying the dangerous cargoes
When vessel is restricted in her ability to maneuver
第10题：
It provides a graphic display to emphasize which vessel is on a collision course
In the true presentation，it provides a quick visual check to determine if a vessel has changed course
The display is one of the primary inputs and must be in use when using the trial maneuver capability
It provides a graphic display of a target vessel's relative course，speed，and CPA