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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 result
B.When going directly from full ahead to full astern，there is complete steering control
C.When the vessel has headway and the propeller is in neutral，there is no effect on rudder control
D.When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
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更多 “ 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 ” 相关考题
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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
An air tank will provide about ten minutes of air for the survivors and the engine
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单选题As to the bearing, of the following, which statement is not true?（）A
ff overheat is found, the engine must be stopped for inspectionB
Much heat of the crankcase door indicates that the bearing is overheatedC
If bearing clearance is too large, knocking will be heard in the crankcaseD
If bearing clearance is too large or too small, the white metal may be melted
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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 proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?（）A
You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivorsB
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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
She will have an unusually high center of gravityD
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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
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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
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
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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
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单选题Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? （）A
Slightly higher fuel consumptionB
Lack of directional control when backingC
Inefficient at high shaft RPMD
Some unusual handling characteristics
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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
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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By which of the following means is force efficiently provided to vary the pitch of the blades on a modem controllable pitch propeller?（）A
HydraulicB
MechanicalC
PneumaticD
Electrical
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单选题Which of the following statements is TRUE regarding automatic identification systems (AIS)? （）A
AIS is a global tracking system that relies upon INMARSAT C service to communicate vessel position and other safety related information to similarly equipped vessels，aircraft and shore stations within the areaB
AIS is a short-range 3 cm X-band radar system that automatically sends a vessel's position and other safety related information to similarly equipped vessels，aircraft and shore stations within the areaC
AIS is a short-range VHF-FM system that automatically broadcasts a vessel's position and other safety related information frequently to similarly equipped vessels，aircraft and shore stations within the areaD
AIS is a one-way centrally managed system that requires the local VTS to send commands to instruct each vessel to broadcast position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area
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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 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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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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