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单选题
When using the radar for navigating（）.
A
the best fix is obtained by using a tangent bearing and a range
B
and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearings
C
and using ranges，the most rapidly changing range should be measured last
D
and crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart
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更多 “单选题When using the radar for navigating（）.A the best fix is obtained by using a tangent bearing and a rangeB and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearingsC and using ranges，the most rapidly changing range should be measured lastD and crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart” 相关考题
考题
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When navigating in high latitudes and using a chart based on a Lambert conformal projection，______.A.a straight line drawn on the chart approximates a great circleB.the chart should not be used outside of the standard parallelsC.the course angle is measured at the mid-longitude of the track lineD.distance cannot be measured directly from the chart
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When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of ______．A.10 metersB.20 metersC.50 metersD.100 meters
考题
单选题The SART should provide a（）indication of its correct operation and should also inform survivors when it is interrogated by radar.A
sight or soundB
seeing or soundingC
visual or audibleD
seeing or hearing
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
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考题
单选题Vessels should maintain a sharp lookout，especially during December through March，when navigating the right whale’s only known calving grounds which lie off the coasts of（）.A
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考题
单选题You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced? （）A
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TRUEC
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考题
单选题When using the ARPA in heavy rain，which action should you take? （）A
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考题
单选题The term restricted visibility，when used in the Rules，refers to（）.A
situations when you can see vessels on radar that you cannot see visuallyB
visibility of less than half a mileC
any condition where visibility is restrictedD
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考题
单选题A navigator fixing a vessel’s position by radar （）.A
can use radar information from one object to fix the positionB
should never use radar bearingsC
should only use radar bearings when the range exceeds the distance to the horizonD
must use information from targets forward of the beam
考题
单选题When using an ARPA，what should you consider in order to evaluate the information displayed?（）A
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考题
单选题When will the float-free emergency position indicating radio beacon be activated after abandoning ship?（）A
Immediately after floating freeB
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考题
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congestedC
congestionD
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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
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考题
单选题What is TRUE when operating in fog and other vessels are detected by radar?（）A
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You should maneuver in ample time if a close-quarters situation is developingC
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考题
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考题
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center bearingsB
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考题
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can always rely on a buoy to show proper light characteristicsC
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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
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考题
单选题In a Junos Pulse Access Control Service active/active clustered environment, which statement is true about VIPs?（）A
VIP is not required when using only agentless access for all endpoint platforms.B
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考题
单选题When the power of SART is on, it will（）.A
transmit distress signalB
send response signalC
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be start by X-band radar
考题
单选题The closest point of approach (CPA) of a contact on a relative motion radar may be determined（）.A
immediately when the contact is noted on radarB
only if the radar scope is watched constantlyC
after the contact has been marked at least twiceD
by an occasional glance at the radar
考题
单选题When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of（）.A
10 metersB
20 metersC
50 metersD
100 meters
考题
单选题A radar contact will remain stationary on a relative motion radar display only when it is（）.A
on the same course as your vesselB
at the same speed as your vesselC
on the same course and speed as your vesselD
on a reciprocal course at the same speed as your vessel
考题
单选题When ship navigating in rough sea, the correct operation is （）A
navigating with a low diesel engine speedB
navigating with a stable diesel engine speedC
increasing the efficiency of propellerD
increasing fuel injection
考题
单选题When navigating in thick fog with the radar on，you should（）.A
station the look-out in the wheelhouse to keep a continuous watch on the radarB
secure the sounding of fog signals until a vessel closes within five milesC
station a look-out as low down and far forward as possibleD
keep the radar on the shortest available range for early detection of approaching vessels
考题
单选题When will the float-free emergency position indicating radiobeacon be activated after abandoning ship? （）A
Immediately after floating freeB
After about one hour when the salt water activates the batteryC
Only when keyed by the radar of another vesselD
Only when daylight activates the photovoltaic cell
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