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单选题
Which statement is TRUE of a stiff vessel? （）
A
She will have a large metacentric height
B
Her period of roll will be large due to her large metacentric height
C
She will have an unusually high center of gravity
D
She will pitch heavily
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You are crossing a narrow channel in a 15-meter vessel when you sight a tanker off your port bow coming up the channel. Which statement is TRUE?A.Yours is the give-way vessel because it is less than 30 meters longB.You shall not impede the safe passage of the tankerC.The tanker is the stand-on vessel because it is to port of your vesselD.The tanker is the stand-on vessel because it is the larger of the two vessels
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Which statement is TRUE about the use of a“gob rope”________．A.The gob rope is a mooring line for tying up lighters for working cargo alongside a vessel anchored in an open roadsteadB.The gob rope is used to secure the towline aft over the centerline of a tugC.The gob rope is a line hung over a vessel's side to assist in boardingD.The gob rope is a rope used in mooring a vessel to a buoy
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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
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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 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
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单选题Which statement about stopping a vessel is TRUE?（）A
A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from asternB
A vessel is dead in the water when the back wash from astern operation reaches the bowC
A tunnel bow thruster can be used in an emergency to reduce the stopping distanceD
When a vessel is dead in the water any speed displayed by doppler log reflects the current
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单选题You are crossing a narrow channel in a 15-meter vessel when you sight a tanker off your port bow coming up the channel. Which statement is TRUE? （）A
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You shall not impede the safe passage of the tankerC
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考题
单选题Which statement is TRUE of a stiff vessel? （）A
She will have a large metacentric heightB
Her period of roll will be large due to her large metacentric heightC
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She will pitch heavily
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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 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Although KG for a vessel in lightweight is relatively high, the vessel is stiff because（）.A
KM is smallB
KM is highC
BL is smalD
l KB is large
考题
单选题Your vessel is NOT making way，but is not in any way disabled.Another vessel is approaching you on your starboard beam.Which statement is TRUE（）.A
Your vessel is obligated to stay out of the wayB
The other vessel must give way，since your vessel is stoppedC
You should be showing the lights or shapes for a vessel not under commandD
You should be showing the lights or shapes for a vessel restricted in her ability to maneuver
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
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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
They must exchange whistle signalsD
Both vessels are required to take action to stay clear of each other
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 about the Navigation Rules is TRUE?（）.A
The rules require vessels to comply with Traffic Separation Scheme regulationsB
The rules use the term safe speedC
The Rules permit a stand-on vessel to take action prior to being in extremisD
All of the above are correct
考题
单选题Which is TRUE of a stiff vessel? （）A
It has a small GMB
It pitches heavilyC
It has an unusually high center of gravityD
Its period of roll is short
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Although KG for a vessel in lightweight is relatively high，the vessel is stiff because（）.A
KM is smallB
KM is highC
BL is smallD
KB is large
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
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单选题Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.A
The power-driven vessel must keep out of the way of the sailing vesselB
A special circumstance situation existsC
The sailing vessel must keep out of the way of the power- driven vesselD
The vessel which has the other vessel to the right must keep out of the way
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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，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
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