A.thermometer
B.barometer
C.hygrograph
D.thermograph
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A.weather vane，wind vane or wind sock
B.hydrometer
C.hygrometer
D.sling psychrometer
A.set the relief valve
B.check the lubrication system
C.vent the pump casing
D.open the pump suction and discharge valves
A.increase engine speed to insure adequate flow of oil to all parts of the engine
B.pay no attention unless there are unusual noises from the engine
C.check operating pressures and temperatures，and check for leaks
D.run the engine at idle until the temperature has increased
A.shallow water
B.an engine that is misfiring
C.a tight tail shaft gland
D.worn stern bearing or misalignment
最新試題
At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41°12.1’N，LONG 72°43.5’W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water，which of the following is TRUE?（）
Apparent wind speed blowing across a ship under tow can be measured by a(n)（）.
Aphelion is the point where the Sun（）.
At 0845，you are approaching the entrances to Thimble Shoal Channel. What channel must you use?（）
As you approach Giles Bend Cutoff Light (mile 367.7 LDB)，what type of daymark would you see on the light structure?（）
At 0815，visibility is excellent and you can see Montauk Point. Montauk Point is（）.
As a vessel changes course to starboard，the compass card in a magnetic compass（）.
As the South Equatorial Current approaches the east coast of Africa，it divides with the main part flowing south to form the warm（）.
As seen from the tow，what should connect the leading ends of both towing bridle legs to the main towing hawser?（）
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? （）