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单选题
A vessel is underway with a work stage rigged over the side. A seaman may work on the stage，but only when（）.
A
wearing a life jacket
B
wearing a safety harness secured to the stage
C
wearing both a life jacket and a safety harness secured to the stage
D
the vessel is not making way
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考题
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a ______.A.vessel being towedB.fishing vessel engaged in trawlingC.vessel at anchor warning you of her locationD.power-driven pilot vessel on station underway
考题
A fishing vessel displaying the lights shown is ______.A.anchoredB.underway but not fishingC.tending a small fishing boatD.fishing by trawling
考题
A vessel aground would show the same dayshape as a ______.A.vessel towing a submerged objectB.dredge underway and dredgingC.hydrographic survey vessel at anchor and surveyingD.None of the above
考题
A stage should only be rigged ______.A.over the bow or stern of a vesselB.over the flat sides of a vesselC.over the open waterD.over the dockside
考题
A vessel is underway with a work stage rigged over the side. A seaman may work on the stage，but only when ______.A.wearing a life jacketB.wearing a safety harness secured to the stageC.wearing both a life jacket and a safety harness secured to the stageD.the vessel is not making way
考题
单选题On open waters，a vessel fishing is in a crossing situation with a vessel sailing located on the fishing vessel’s starboard side. Which vessel is the stand-on vessel?（）.A
The fishing vessel because it is to port of the sailing vesselB
The fishing vessel because it is fishingC
The sailing vessel because it is to starboard of the fishing vesselD
The sailing vessel because it is sailing
考题
单选题A power-driven vessel underway shall keep out of the way of（）.A
a vessel restricted in her ability to maneuverB
a vessel under commandC
a passenger shipD
a seaplane on the water
考题
单选题Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.A
accurate only in the Polar regionsB
accurate electronic servomechanismsC
hand operatedD
accurate only if the vessel is underway
考题
单选题Underway at night，a vessel displaying the lights shown is（）.A
Engaged in fishingB
Mine sweepingC
A pilot boatD
Under sail
考题
单选题A vessel will NOT show sidelights when（）.A
underway but not making wayB
making way，not under commandC
not under command，not making wayD
trolling underway
考题
单选题A vessel transferring cargo while underway is classified by the Rules as a vessel（）.A
restricted in her ability to maneuverB
in special circumstancesC
not under commandD
constrained by her draft
考题
单选题A rigid replica of the International Code flag “A” may be shown by a vessel （）.A
pulling a submarine cableB
engaged in diving operationsC
engaged in underway replenishmentD
transferring explosives
考题
单选题A vessel（）when underway shall so far as possible，keep out of the way of a vessel not under command.A
having engaged in fishingB
engaging in fishingC
engaged in fishD
engaged in fishing
考题
单选题What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel（）.A
Jacob's ladderB
ManropesC
Heaving linesD
All of the above
考题
单选题A sailing vessel is overtaking a steam vessel in a fairway on International waters，so as to pass on the steam vessel’s port side． The sailing vessel is the（）.A
privileged vessel and would sound two short blastsB
burdened vessel and would sound two prolonged blasts followed by two short blastsC
burdened vessel and would sound no whistle signalD
privileged vessel and would sound no whistle signal
考题
单选题A vessel aground would show the same dayshape as a（）.A
vessel towing a submerged objectB
dredge underway and dredgingC
hydrographic survey vessel at anchor and surveyingD
None of the above
考题
单选题When a vessel is aground,（）.A
she is underwayB
she is not underwayC
whether she is underway cannot be determinedD
she might be or not be underway
考题
单选题Vessel underway means that a vessel is（）.A
on the wayB
at anchorC
made fast to a terminalD
moving against water
考题
单选题A stage should only be rigged（）.A
over the bow or stern of a vesselB
over the flat sides of a vesselC
over the open waterD
over the dockside
考题
单选题A breeches buoy is being rigged from the shore to a stranded vessel. The initial shot line passed to the vessel is normally made fast to a（）.A
hawser which is used to pass a tail-block and whip to the vesselB
hawser with breeches buoy and harness attachedC
hawser which should be made fast to the vessel below the intended location of the tail-blockD
tail-block and whip which may be used to pass a hawser to the vessel
考题
单选题When lowering manropes alongside a stage rigged over the side of a vessel，they should be allowed to trail in the water（）.A
to easily remove the kinks that form in the linesB
to allow the seamen on the stage to know the direction and strength of the currentC
to provide the seaman something to hold onto if he or she falls from the stage into the waterD
only for short periods of time since they will become waterlogged and be very heavy to pull up
考题
单选题A flooded leg on a liftboat would adversely affect the vessel’s stability underway by（）.A
increasing the righting momentB
decreasing the vessel's displacementC
increasing the reserve buoyancyD
shifting the CG (center of gravity) off center
考题
单选题Which statement is TRUE，according to the Rules（）.A
A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuverB
A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draftC
A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishingD
A vessel engaged in fishing while underway shall，so far as possible，keep out of the way of a vessel restricted in her ability to maneuver
考题
单选题A vessel engaged in fishing underway sounds the same fog signal as a（）.A
power-driven vessel stopped and making no way through the waterB
vessel being towedC
vessel restricted in her ability to maneuver at anchorD
sailing vessel at anchor
考题
单选题A flooded leg on a lift boat would adversely affect the vessel’s stability underway by（）.A
increasing the righting momentB
decreasing the vessel's displacementC
increasing the reserve buoyancyD
shifting the CG (center of gravity) off center
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