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Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.
A.When at anchor, the pilot vessel is only required to sound anchor signals
B.The identification signal must be sounded any time the pilot vessel is underway
C.The pilot vessel may only sound the identity signal when making way
D.All of the above
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更多 “ Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.A.When at anchor, the pilot vessel is only required to sound anchor signalsB.The identification signal must be sounded any time the pilot vessel is underwayC.The pilot vessel may only sound the identity signal when making wayD.All of the above ” 相关考题
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You are on international waters during a heavy rainstorm and hear a vessel sounding a fog signal of one prolonged blast followed by two short blasts． Which of the following could it be？Ⅰ．A vessel laying submarine cable making way．Ⅱ．A pilot vessel on station at anchor．A.Ⅰ onlyB.Ⅱ onlyC.Either Ⅰ or ⅡD.Neither Ⅰ nor Ⅱ
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 vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?A.During the day，she would display three balls in a vertical lineB.If making way，she would show masthead lights at nightC.If at anchor，she need not show anchor lights while displaying identifying lightsD.Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
考题
Which statement concerning satellite EPIRBs is TRUE ________．A.Once activated，these EPIRBs continuously send up a signal for use in identifying the vessel and for determining the position of the beaconB.The coded signal identifies the nature of the distress situationC.The coded signal only identifies the vessel's name and port of registryD.If the GMDSS Radio Operator does not program the EPIRB，it will transmit default information such as the follow-on communications frequency and mode
考题
Continuous sounding of a fog whistle by a vessel is a signal ______.A.that the vessel is anchoredB.to request the draw span of a bridge to be openedC.of distressD.that the vessel is broken down and drifting
考题
单选题Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）A
By day，she shall carry a black cylinder shapeB
By day，she shall carry two black balls in a vertical lineC
By night，she would show the same lights as a vessel not under commandD
By day，she would show the same shapes as a vessel restricted in her ability to maneuver
考题
单选题Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）A
When at anchor，the pilot vessel is only required to sound anchor signalsB
The identification signal must be sounded any time the pilot vessel is underwayC
The pilot vessel may only sound the identity signal when making wayD
All of the above
考题
单选题A vessel not under command sounds the same fog signal as a vessel（）.A
towingB
constrained by her draftC
under sailD
All of the above
考题
单选题You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.A
Your speed must be reduced to bare steeragewayB
A look-out is not required if the radar is onC
Fog signals are only required when a vessel is detected by radarD
The radar should always be kept on a short-range scale
考题
单选题Which one of following statement is not true concerning the suitable sites of the direct acting relief valve and the pilot operated relieve valve?（）A
the direct acting relief valve is used for controlling lower flows and pressureB
the pilot operated relief valve is used for controlling higher flows and pressureC
the pilot operated relief valve is used for controlling lower flows and pressureD
the controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve
考题
单选题A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）A
During the day，she would display three balls in a vertical lineB
If making way，she would show masthead lights at nightC
If at anchor，she need not show anchor lights while displaying identifying lightsD
Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
考题
单选题Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.A
The vessel which has the other on her own starboard sideB
The vessel which has the other on her own port sideC
The one which hears the other's fog signal firstD
Neither vessel is the stand-on vessel
考题
单选题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
单选题Your 15-meter tug is underway and crossing a deep and narrow channel. A large container vessel is off your port bow on a steady bearing. Which statement is TRUE concerning this situation? （）.A
You should maintain course and speedB
The container vessel is the stand-on as it is the larger vesselC
You are not to impede the safe passage of the container vessel in the channelD
None of the above
考题
单选题Which statement is true concerning a vessel equipped with operational radar?（）.A
The Master of the vessel must be on the bridge when the radar is in useB
The radar equipment is only required to be used in restricted visibilityC
The use of a radar excuses a vessel from the need of a look-outD
This equipment must be used to obtain early warning of risk of collision
考题
单选题Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.A
Each vessel should show sidelightsB
Each vessel should show at least one white lightC
The barges should be lighted as separate unitsD
The barges should be lighted as one vessel
考题
单选题A vessel is in sight of another vessel when she（）.A
can be observed by radarB
has determined that risk of collision existsC
is sounding a fog signal which can be heard on the other vesselD
can be observed visually from the other vessel
考题
单选题Which statement is TRUE concerning the danger signal?（）.A
When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signalB
Only the stand-on vessel can sound the danger signalC
Distress signals may be used in place of the danger signalD
The danger signal consists of 4 or more short blasts of the whistle
考题
单选题Which statement is TRUE concerning the gooseneck（）.A
It is a sailing maneuver which brings the vessel's head through the windB
It connects the boom to the mast and allows the boom to swing freelyC
It is a sailing condition where there is a loss of air flow over the sailsD
None of the above
考题
单选题Which statement concerning the operation of radar in fog is TRUE?（）A
Radar ranges are less accurate in fogB
Navigation buoys will always show up on radarC
A sandy beach will show up clearer on radar than a rocky cliffD
Small wooden boats may not show up on radar
考题
单选题If the situation arose where it became necessary to tow a disabled vessel，which statement is TRUE concerning the towing line?（）.A
The towing line between the two vessels should be clear of the waterB
The towing line should be taut at all times between the vesselsC
There should be a catenary so the line dips into the waterD
None of the above
考题
单选题Which statement is TRUE concerning gasoline vapors on board a vessel（）.A
They are heavier than air and will settle in the lowest part of the vesselB
They are lighter than air and will settle in the highest part of the vesselC
They should be vented into the engine to improve combustionD
They should be vented into the wheelhouse
考题
单选题A fog signal consisting of one prolonged blast followed by four short blasts would indicate thepresence of a（）.A
vessel being towedB
fishing vessel engaged in trawlingC
vessel at anchor warning of her locationD
power-driven pilot vessel on station underway
考题
单选题Which statement concerning maneuvering in restricted visibility is FALSE?（）.A
A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steeragewayB
A vessel which hears a fog signal forward of her beam shall stop her enginesC
A vessel which hears a fog signal forward of the beam shall navigate with cautionD
If a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time
考题
单选题A 200-meter vessel is aground in fog. Which signal is optional? （）A
A bell signalB
A gong signalC
A whistle signalD
All of the above
考题
单选题Which statement is TRUE concerning a vessel equipped with operational radar?（）.A
She must use this equipment to obtain early warning of risk of collisionB
The use of a radar excuses a vessel from the need of a look-outC
The radar equipment is only required to be used in restricted visibilityD
The safe speed of such a vessel will likely be greater than that of vessels without radar
考题
单选题Which statement is TRUE concerning fuel vapors on a vessel（）.A
Fuel vapors gather in the lowest portions of the vesselB
Fuel vapors can only be ignited by an open flameC
Vent outlets should be located above the level of the carburetor air intakeD
None of the above
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