A.weather vane，wind vane or wind sock
B.hydrometer
C.hygrometer
D.sling psychrometer
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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
Any firefighting equipment that is carried in addition to the minimum required number on a ship must（）.
As it approaches，a typical warm front will bring（）.
As a vessel changes course to starboard，the compass card in a magnetic compass（）.
At 1810，a red buoy bears 010° relative. This buoy marks（）.
As a high pressure system approaches，the barometer reading（）.
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?（）
Aphelion is the point where the Sun（）.
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 1920，the buoy forward of your starboard beam is（）.
As a rule，ships of most configurations，when drifting in calm water with negligible current，will lie（）.