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In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.
A.stop your engines
B.sound the danger signal at two-minute intervals
C.hold course and speed until the other vessel is sighted
D.take avoiding action as soon as possible
参考答案
更多 “ In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.A.stop your enginesB.sound the danger signal at two-minute intervalsC.hold course and speed until the other vessel is sightedD.take avoiding action as soon as possible ” 相关考题
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Risk of collision may exist ______.A.if the compass bearing of an approaching vessel does NOT appreciably changeB.even when an appreciable bearing change is evident, particularly when approaching a vessel at close rangeC.if you observe both sidelights of a vessel ahead for an extended period of timeD.All of the above
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In determining if risk of collision exists， such risk may sometimes exist even when an appreciable bearing change is evident， particularly when approaching ________ ．A.very large vesselB.a long towC.a vessel at close rangeD.all A，B and C
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A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to ______.A.moderate speedB.safe speedC.half speedD.bare steerageway
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A vessel is "in sight" of another vessel when ______.A.she can be observed by radarB.she can be observed visually from the other vesselC.she can be plotted on radar well enough to determine her headingD.her fog signal can be heard
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By radar alone, you detect a vessel ahead on a collision course, about 3 miles distant. Your radar plot shows this to be a meeting situation. You should ______.A.turn to portB.turn to starboardC.maintain course and speed and sound the danger signalD.maintain course and speed and sound no signal
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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
考题
单选题To determine if risk of collision exists，a vessel which is fitted with radar must use（）.A
radar scanningB
radar plottingC
compass bearingsD
All of the above
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单选题Risk of collision exists when an approaching vessel has a(n)（）.A
generally steady bearing and decreasing rangeB
generally steady range and increasing bearingC
increasing range and bearingD
decreasing bearing only
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单选题Risk of collision may be deemed to exist（）.A
if the compass bearing of an approaching vessel does not appreciably changeB
even when an appreciable bearing change is evident, particularly when approaching a vessel at close rangeC
if you observe both sidelights of a vessel ahead for an extended period of timeD
All of the above
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单选题You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.A
Reduce speed to bare steeragewayB
Stop your enginesC
Begin a radar plotD
All of the above
考题
单选题You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.A
Your speed must be reduced to bare steeragewayB
A look-out is not required if the radar is onC
Fog signals are only required when a vessel is detected by radarD
The radar should always be kept on a short-range scale
考题
单选题If you are the stand-on vessel in a crossing situation，you may take action to avoid collision by your maneuver alone. When may this action be taken?（）.A
At any time you feel it is appropriateB
Only when you have reached extremisC
When you determine that your present course will cross ahead of the other vesselD
When it becomes apparent to you that the give-way vessel is not taking appropriate action
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单选题You are in charge of a stand-on vessel in a crossing situation.The other vessel is 1.5 miles to port.You believe that risk of collision exists.You should（）.A
take avoiding action immediately upon determining that risk of collision existsB
immediately sound the danger signalC
take avoiding action only after providing the give-way vessel time to take action ,and determining that her action is not appropriateD
hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision
考题
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A vessel is in sight of another vessel when she（）.A
can be observed by radarB
has determined that risk of collision existsC
is sounding a fog signal which can be heard on the other vesselD
can be observed visually from the other vessel
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单选题When you doubt the existence of risk of collision,（）.A
such risk shall be deemed to existB
such risk shall not be deemed to existC
you needn't take any action to avoid collision with any vesselD
you should accelerate your speed ahead
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单选题When you doubt the existence of risk of collision,（）.A
such risk shall be deemed to existB
Such risk shall not be deemed to existC
You should keep your course and speedD
You needn‟t take any action to avoid collision with any vessel
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单选题A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to（）.A
moderate speedB
safe speedC
half speedD
bare steerageway
考题
单选题Risk of collision may exist（）.A
if the compass bearing of an approaching vessel does not appreciably changeB
even when an appreciable bearing change is evident, particularly when approaching a vessel at close rangeC
if you observe both sidelights of a vessel ahead for an extended period of timeD
All of the above
考题
单选题In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should（）.A
stop your enginesB
sound the danger signal at two-minute intervalsC
hold course and speed until the other vessel is sightedD
take avoiding action as soon as possible
考题
单选题You are underway in thick fog.You have not determined if risk of collision exists.Which statement is true?（）A
Your speed must be reduced to bare steerage waysB
A look-out is not required if the radar is onC
The radar should always be kept on a short-range scaleD
Fog signals are only required when a vessel is detected by radar
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
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单选题You are approaching another vessel and are not sure whether danger of collision exists. You must assume（）.A
there is a risk of collisionB
you are the give-way vesselC
the other vessel is the give-way vesselD
there is no risk of collision
考题
单选题A vessel is “in sight” of another vessel when（）.A
she can be observed by radarB
she can be observed visually from the other vesselC
she can be plotted on radar well enough to determine her headingD
her fog signal can be heard
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In order for a stand-on vessel to take action in a situation，she must determine that the other vessel（）.A
Is restricted in her ability to maneuverB
Has sounded the danger signalC
Is not taking appropriate actionD
Has not changed course since risk of collision was determined
考题
单选题Which procedure(s) shall be used to determine risk of collision? （）A
Watching the compass bearing of an approaching vesselB
Systematic observation of objects detected by radarC
Long-range radar scanningD
All of the above
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