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
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A.thermometer
B.barometer
C.hygrograph
D.thermograph
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 0815，visibility is excellent and you can see Montauk Point. Montauk Point is（）.
As you approach mile 659.4 AHP，you see on the right descending bank a flashing green light. This light marks（）.
At 0530，your position is LAT 41°12.6’N，LONG 72°08.5’W. What is the color of New London Light?（）
As seen from the tow，what should connect the leading ends of both towing bridle legs to the main towing hawser?（）
At 0715 you take the following bearings: Race Rock Light 328°pgc; Little Gull Island Light 249°pgc; Mt. Prospect Antenna 036°pgc. Based on your 0715 fix，which statement is TRUE?（）
At 0100 you notice that the wind has become SSW’ly and has freshened. At 0200 you sight Stratford Point Lighted Bell Buoy “18” bearing 268°pgc. At 0215 the buoy bears 269°pgc. Which statement is TRUE?（）
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 time is based on（）.
As a rule，ships of most configurations，when drifting in calm water with negligible current，will lie（）.
As you approach Giles Bend Cutoff Light (mile 367.7 LDB)，what type of daymark would you see on the light structure?（）