A.Masthead lights and sidelights
B.One sidelight，the masthead lights and stern light
C.Both sidelights
D.Stern light
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A.MAF
B.MAB
C.MAA
D.MAE
A.a line on a weather map connecting equal points of both temperature and pressure
B.an instrument that measures the climatological effects of temperature
C.a line connecting points of equal barometric pressure on a weather map
D.a line connecting points of equal temperature on a weather map
A.fitted in each leg of the towing bridle
B.generally located between the "fishplate" and the main towing hawser
C.secured at the "H" bitts
D.usually made of manila hawser
A.thermometer
B.barometer
C.hygrograph
D.thermograph
A.weather vane，wind vane or wind sock
B.hydrometer
C.hygrometer
D.sling psychrometer
最新試題
At 2200 you take the following loran readings: 9960-W-15064.5; 9960-Y-43954.8. Which statement is TRUE? （）
As a high pressure system approaches，the barometer reading（）.
As compared to carbon dioxide，dry chemical has which advantage?（）
At 0630 you increase speed to 12.0 knots. At 0645 Race Rock Light bears 294°pgc. At 0700 Race Rock Light bears 293°pgc. Based on this，you should（）.
At 0815，visibility is excellent and you can see Montauk Point. Montauk Point is（）.
At 0230 on 13 August，you are at mile 610.5 AHP when you see about a mile ahead lights on the water near the left bank. What might you see when you come abreast of these lights? （）
Apparent wind speed blowing across a ship under tow can be measured by a(n)（）.
As a vessel changes course to starboard，the compass card in a magnetic compass（）.
At 1920，the buoy forward of your starboard beam is（）.
Apparent time is based on（）.