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单选题
In restricted visibility the speed of a vessel without operational radar may be（）enable effective avoiding action to be taken on sighting another ship.
A
too low to
B
too high to
C
too high for
D
too low for
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In restricted visibility the safe speed of a vessel without operational radar may be ________ enable effective avoiding action to be taken on sighting another ship．A.too low toB.too high toC.too high forD.too low for
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In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall __________.A.sound the danger signalB.when taking action, make only course changesC.avoid altering course toward a vessel abaft the beamD.All of the above
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单选题Which vessel is NOT to be regarded as restricted in her ability to maneuver（）.A
A vessel transferring provisions while underwayB
A pushing vessel and a vessel being pushed when connected in a composite unitC
A vessel servicing a navigation markD
A vessel launching aircraft
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单选题A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the（）.A
vessel's horsepowerB
sea stateC
number of propellersD
vessel's displacement
考题
单选题The steering and sailing rules for vessels in restricted visibility apply to vessels（）.A
in sight of one another in fogB
navigating in or near an area of restricted visibilityC
only if they are showing special purpose lightsD
only if they have operational radar
考题
单选题（）is not a vessel restricted in her ability to maneuver．A
A vessel engaged in laying，servicing or picking up a navigation mark，submarine cable or pipelineB
A vessel engaged in dredging，surveying or underwater operationsC
A vessel engaged in replenishment or transferring persons，provisions or cargo while underwayD
A power driven vessel which because of her draught in relation to the available depth and width of navigation water is severely restricted in her ability to deviate from the course she is following
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单选题Which effect does speed through the water have on a vessel which is underway in shallow water （）.A
A decrease in the speed results in a decrease in steering response and maneuverabilityB
An increase in speed results in the stern sucking down lower than the BowC
An increase in speed results in the vessel rising on an even planeD
A decrease in speed results in the vessel sucking down on an even plane
考题
单选题Safe speed is defined as that speed where（）.A
you can stop within your visibility rangeB
the vessel is not subject to vibrationsC
you are traveling slower than surrounding vesselsD
you can take proper and effective action to avoid collision
考题
单选题SAFE SPEED is defined as that speed where（）.A
you can stop within your visibility rangeB
you can take proper and effective action to avoid collisionC
you are traveling slower than surrounding vesselsD
no wake comes from your vessel
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单选题The term “moderate speed” was previously interpreted as meaning a speed which would enable a vessel （）within half the range of visibility.A
stoppingB
being stoppedC
to stopD
to be stopped
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单选题A vessel towing where the tow prevents her from changing course shall carry（）.A
only the lights for a vessel towingB
only the lights for a vessel restricted in her ability to maneuverC
the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuverD
the lights for a towing vessel and the lights for a vessel not under command
考题
单选题When the ship is in restricted visibility, the officer in charge of the engineering watch shall ensure that （） Ⅰ.Bridge order relating to changes in speed or direction of operation areimmediately implemented Ⅱ.auxiliary machinery used for maneuvering is readily available Ⅲ.permanent air or steam pressure is available for sound signalsA
Ⅰ+ⅡB
Ⅰ+ⅢC
Ⅱ+ⅢD
Ⅰ+Ⅱ+Ⅲ
考题
单选题When visibility is restricted（），we can say it is restricted visibility.A
by long distanceB
by the darkness at nightC
by a vessel in frontD
by fog or falling snow
考题
单选题In restricted visibility a towed vessel must sound a fog signal when it is（）.A
the last vessel in the towB
the last vessel in the tow and it is carrying a crewC
manned，regardless of its position in the towD
None of the above are correct
考题
单选题A power-driven vessel shall have her engine ready for（）when the visibility is restricted.A
immediate stoppingB
immediate maneuveringC
immediate anchoringD
immediate going astern
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单选题Every vessel should at all times proceed at a safe speed. Safe speed is defined as that speed where（）.A
you can stop within your visibility rangeB
you can take proper and effective action to avoid collisionC
you are traveling slower than surrounding vesselsD
no wake comes from your vessel
考题
单选题You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should（）.A
alter course to starboard to pass around the other vesselB
reduce your speed to bare steeragewayC
slow your engines and let the other vessel pass ahead of youD
alter course to port to pass the other vessel on its portside
考题
单选题A vessel must proceed at a safe speed（）.A
in restricted visibilityB
in congested watersC
during darknessD
at all times
考题
单选题A towing vessel and her tow are severely restricted in their ability to change course. When making way，the towing vessel will show ONLY（）.A
the masthead lights for a towing vesselB
the lights for a vessel restricted in her ability to maneuverC
sidelights，stern light，and towing lightD
All of the above
考题
单选题In restricted visibility the speed of a vessel without operational radar may be（）enable effective avoiding action to be taken on sighting another ship.A
too low toB
too high toC
too high forD
too low for
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In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall（）.A
sound the danger signalB
when taking action, make only course changesC
avoid altering course toward a vessel abaft the beamD
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，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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