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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 use
B
The radar equipment is only required to be used in restricted visibility
C
The use of a radar excuses a vessel from the need of a look-out
D
This equipment must be used to obtain early warning of risk of collision
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更多 “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” 相关考题
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A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?A.When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may resultB.When going directly from full ahead to full astern，there is complete steering controlC.When the vessel has headway and the propeller is in neutral，there is no effect on rudder controlD.When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
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Which statement is TRUE concerning the flash point of a substance ________．A.It is lower than the ignition temperatureB.It is the temperature at which a substance will spontaneously igniteC.It is the temperature at which a substance，when ignited，will continue to burnD.It is the temperature at which the released vapors will fall within the explosive range
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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
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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 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
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单选题A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）.A
When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may resultB
When going directly from full ahead to full astern，there is complete steering controlC
When the vessel has headway and the propeller is in neutral，there is no effect on rudder controlD
When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
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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
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单选题Which statement concerning the navigation of a vessel in ice is FALSE?（）A
Anchoring in the presence of ice is not recommended except in an emergencyB
Towing a vessel through an ice field is not recommended except in an emergencyC
The Free and Proceed system of escorting a beset vessel cuts down on the number of freeing operationsD
When anchoring in ice，it is advisable to increase the scope of the chain over what is normally used for non-icing conditions
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单选题Your vessel is equipped with totally enclosed lifeboats. Which statement is true when the boat is enveloped in flames?（）.A
The ventilators will automatically close by the action of fusible linksB
The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crewC
A water spray system to cool the outside of the boat is operated by a high-volume manual pumpD
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单选题Which statement is TRUE in an overtaking situation（）.A
One vessel is approaching another vessel from more than 20° abaft the beamB
It is the duty of the vessel being overtaken to get out of the wayC
Any later change of bearing between the two vessels shall not make the overtaking vessel a crossing vesselD
All of the above
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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
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单选题Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.A
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Each vessel should show at least one white lightC
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The barges should be lighted as one vessel
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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
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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
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单选题Under the regulations for cargo vessels，which statement is TRUE concerning fireman’s outfits?（）A
If a vessel carries two outfits，they may be stored in the same locationB
Each fireman's outfit shall contain a flame safety lamp of an approved typeC
Each fireman's outfit shall contain a fresh-air breathing apparatusD
All of the above
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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A fishing vessel is approaching a vessel not under command. Which statement is TRUE? （）A
The fishing vessel must keep clear of the vessel not under commandB
If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vesselC
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考题
单选题A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.A
The vessel has negative GMB
The center of gravity is on the centerlineC
The list can be corrected by reducing KMD
The vessel has asymmetrical weight distribution
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单选题Which statement is TRUE concerning lifeboat gripes?（）A
They must be released by freeing a safety shackleB
They should not be released until the boat is in lowering positionC
They may be adjusted by a turnbuckleD
They are normally used only with radial davits
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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Which statement concerning Montauk Point Light is TRUE（）.A
The light comes on at sunsetB
There is an emergency light if the main light is extinguishedC
The height of the light is 24 feetD
The tower is painted with black and white stripes
考题
单选题Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?（）A
A fully loaded vessel will be slower to respond to the enginesB
A fully loaded vessel will maintain her headway furtherC
A light vessel will be more affected by the windD
A light vessel lose more rudder effect in shallow water
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Which statement concerning locating signals in the GMDSS is FALSE（）.A
Locating signals are transmitted by survival craft VHF transceiversB
Locating signals are transmitted by SARTsC
Locating signals are intended to facilitate the finding of a distressed vessel or its survivorsD
Locating signals are not transmitted by autoalarm generators
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
考题
单选题Which statement is TRUE concerning spare charges for portable fire extinguishers on unmanned tank barges?（）.A
Spare charges shall be carried for at least 50 percent of each size and variety required on boardB
If the unit cannot be charged by the vessel's personnel，one spare unit shall be carried in lieu of spare chargesC
Spare charges shall be stowed in watertight containers on deckD
Regulations concerning spare charges do not apply to unmanned barges
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