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Radar is of great help to ship in poor（）(能见度).
- A、visibility
- B、VHF
- C、visible
- D、compass
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更多 “Radar is of great help to ship in poor（）(能见度).A、visibilityB、VHFC、visibleD、compass” 相关考题
考题
Radar beacons are transmitters designed to produce a ___ on the screens of ship’s radar sets.A.incorrect imageB.distinctive imageC.pictorial imageD.pictographic image
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Radar reflectors are required for ______.A.all fishing vessels over 39 feet in lengthB.sail-propelled fishing vesselsC.all fishing vessels of less than 200 GTD.wooden hull fishing vessels with a poor radar echo
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The appearance of nimbostratus clouds in the immediate vicinity of a ship at sea would be accompanied by which of the following conditions?______.A.Rain and poor visibilityB.Dropping barometric pressure and backing wind in the Northern HemisphereC.High winds and rising seaD.Severe thunderstorms
考题
The common way to obtain your ship’s position is ______.A.keeping a close watch and lookoutB.taking a radar range and bearingC.observing a radar target and listening to signalsD.keeping a well clear caution
考题
Before sailing，mariners on duty shall check the headings of magnetic compass by comparison with ______.A.ship's clockB.engine movement recorderC.repeatersD.navigation lights
考题
Your radar is set on a true motion display．Which of the following will NOT appear to move across the PPI scope ________．A.Echoes from a buoyB.Own ship's markerC.Echo from a ship on the same course at the same speedD.Echo from a ship on a reciprocal course at the same speed
考题
In determining a safe speed of your ship, _____ shall not be among those taken into account.A.the state of visibilityB.the traffic densityC.the number of crew on boardD.the maneuverability of the vessel
考题
Because of the （）, we have to keep a sharp lookout.A、poor visibilityB、good visibilityC、good weatherD、dry weather
考题
单选题Radar beacons are transmitters designed to produce a（）on the screens of ship’s radar sets.A
incorrect imageB
distinctive imageC
pictorial imageD
pictographic image
考题
单选题Knowing the compass heading that is 90°to the side of a ship will enable the operator of a survival craft to initially steer（）.A
into the windB
away in fire and smokeC
directly to the standby boatD
directly to the nearest land
考题
单选题For ship-to-shore distress alerts, you can use（）.A
INMARSAT, EPIRB and DSCB
NAVTEX, NBDP and R/TC
INMARSAT, VHF and SARTD
EPIRB, DSC and radar
考题
单选题When the power of SART is on, it will（）.A
transmit distress signalB
send response signalC
transmit the signal of ship‟s positionD
be start by X-band radar
考题
单选题The fitting of an efficient radar reflector is likely to considerably increase the ship’s probability of（）.A
detectionB
being detectedC
the detectiveD
the detected
考题
单选题At that time my ship and others were（）within 40 degrees of the compass.A
yawingB
movinC
turningD
pitching
考题
单选题Radar reflectors are required for（）.A
all fishing vessels over 39 feet in lengthB
sail-propelled fishing vesselsC
all fishing vessels of less than 200 GTD
wooden hull fishing vessels with a poor radar echo
考题
单选题To center a compass bowl in its binnacle，you should have the ship on an even keel，heading north or south，and adjust the screws until（）.A
the compass heading is in line with the lubber's lineB
there is no lost motion in the gimbal ringsC
no change of heading by compass is observed if you raise and lower the heeling magnetD
the gimbal rings do not strike the compass frame when they are tilted
考题
单选题The common way to obtain your ship’s position is（）.A
keeping a close watch and lookoutB
taking a radar range and bearingC
observing a radar target and listening to signalsD
keeping a well clear caution
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
考题
单选题Your radar is set on a true motion display.Which of the following will NOT appear to move across the PPI scope（）.A
Echoes from a buoyB
Own ship's markerC
Echo from a ship on the same course at the same speedD
Echo from a ship on a reciprocal course at the same speed
考题
单选题At least（）radar transponder shall be carried on each side of every cargo ship of 500 gross tonnage and upwards.A
oneB
twoC
threeD
four
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