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
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
相关考题：
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
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
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
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
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
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?（）ABy day，she shall carry a black cylinder shapeBBy day，she shall carry two black balls in a vertical lineCBy night，she would show the same lights as a vessel not under commandDBy day，she would show the same shapes as a vessel restricted in her ability to maneuver
单选题Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）AWhen at anchor，the pilot vessel is only required to sound anchor signalsBThe identification signal must be sounded any time the pilot vessel is underwayCThe pilot vessel may only sound the identity signal when making wayDAll of the above
单选题A vessel not under command sounds the same fog signal as a vessel（）.AtowingBconstrained by her draftCunder sailDAll of the above
单选题You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.AYour speed must be reduced to bare steeragewayBA look-out is not required if the radar is onCFog signals are only required when a vessel is detected by radarDThe radar should always be kept on a short-range scale
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?（）Athe direct acting relief valve is used for controlling lower flows and pressureBthe pilot operated relief valve is used for controlling higher flows and pressureCthe pilot operated relief valve is used for controlling lower flows and pressureDthe controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve
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? （）ADuring the day，she would display three balls in a vertical lineBIf making way，she would show masthead lights at nightCIf at anchor，she need not show anchor lights while displaying identifying lightsDHer fog signal would consist of a rapid ringing of a bell for five seconds every minute
单选题Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.AThe vessel which has the other on her own starboard sideBThe vessel which has the other on her own port sideCThe one which hears the other's fog signal firstDNeither vessel is the stand-on vessel
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（）.Avessel being towedBfishing vessel engaged in trawlingCvessel at anchor warning you of her locationDpower-driven pilot vessel on station underway
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? （）.AYou should maintain course and speedBThe container vessel is the stand-on as it is the larger vesselCYou are not to impede the safe passage of the container vessel in the channelDNone of the above
单选题Which statement is true concerning a vessel equipped with operational radar?（）.AThe Master of the vessel must be on the bridge when the radar is in useBThe radar equipment is only required to be used in restricted visibilityCThe use of a radar excuses a vessel from the need of a look-outDThis equipment must be used to obtain early warning of risk of collision
单选题Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.AEach vessel should show sidelightsBEach vessel should show at least one white lightCThe barges should be lighted as separate unitsDThe barges should be lighted as one vessel
单选题A vessel is in sight of another vessel when she（）.Acan be observed by radarBhas determined that risk of collision existsCis sounding a fog signal which can be heard on the other vesselDcan be observed visually from the other vessel
单选题Which statement is TRUE concerning the danger signal?（）.AWhen any vessel fails to understand the intentions of an approaching vessel she must sound the danger signalBOnly the stand-on vessel can sound the danger signalCDistress signals may be used in place of the danger signalDThe danger signal consists of 4 or more short blasts of the whistle
单选题Which statement is TRUE concerning the gooseneck（）.AIt is a sailing maneuver which brings the vessel's head through the windBIt connects the boom to the mast and allows the boom to swing freelyCIt is a sailing condition where there is a loss of air flow over the sailsDNone of the above
单选题Which statement concerning the operation of radar in fog is TRUE?（）ARadar ranges are less accurate in fogBNavigation buoys will always show up on radarCA sandy beach will show up clearer on radar than a rocky cliffDSmall wooden boats may not show up on radar
单选题If the situation arose where it became necessary to tow a disabled vessel，which statement is TRUE concerning the towing line?（）.AThe towing line between the two vessels should be clear of the waterBThe towing line should be taut at all times between the vesselsCThere should be a catenary so the line dips into the waterDNone of the above
单选题Which statement is TRUE concerning gasoline vapors on board a vessel（）.AThey are heavier than air and will settle in the lowest part of the vesselBThey are lighter than air and will settle in the highest part of the vesselCThey should be vented into the engine to improve combustionDThey should be vented into the wheelhouse
单选题A fog signal consisting of one prolonged blast followed by four short blasts would indicate thepresence of a（）.Avessel being towedBfishing vessel engaged in trawlingCvessel at anchor warning of her locationDpower-driven pilot vessel on station underway
单选题Which statement concerning maneuvering in restricted visibility is FALSE?（）.AA vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steeragewayBA vessel which hears a fog signal forward of her beam shall stop her enginesCA vessel which hears a fog signal forward of the beam shall navigate with cautionDIf a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time
单选题A 200-meter vessel is aground in fog. Which signal is optional? （）AA bell signalBA gong signalCA whistle signalDAll of the above
单选题Which statement is TRUE concerning a vessel equipped with operational radar?（）.AShe must use this equipment to obtain early warning of risk of collisionBThe use of a radar excuses a vessel from the need of a look-outCThe radar equipment is only required to be used in restricted visibilityDThe safe speed of such a vessel will likely be greater than that of vessels without radar
单选题Which statement is TRUE concerning fuel vapors on a vessel（）.AFuel vapors gather in the lowest portions of the vesselBFuel vapors can only be ignited by an open flameCVent outlets should be located above the level of the carburetor air intakeDNone of the above