Antares is found in what constellation...

单项选择题Antares is found in what constellation?（）

A.Scorpio
B.Corvus
C.Libra
D.Corona Borealis

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1.单项选择题An undocumented vessel with 10 people aboard and operating 25 miles off the seacoast must carry a survival craft of the（）.

A.inflatable buoyant apparatus type
B.buoyant apparatus type
C.life float type
D.Any of the above types are acceptable

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2.单项选择题An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead?（）

A.Masthead lights and sidelights
B.One sidelight，the masthead lights and stern light
C.Both sidelights
D.Stern light

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3.单项选择题An oiler was badly burned and you are communicating with a passenger ship that has a doctor and hospital on board. You want to rendezvous in a certain position so the oiler can be evacuated for medical treatment. Which code should your message contain?（）

A.MAF
B.MAB
C.MAA
D.MAE

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4.单项选择题An isotherm is（）.

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

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5.单项选择题An intermediate spring is（）.

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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6.单项选择题An instrument that maintains a continuous record of humidity changes is called a（）.

A.thermometer
B.barometer
C.hygrograph
D.thermograph

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7.单项选择题An instrument that indicates wind direction is known as a(n)（）.

A.weather vane，wind vane or wind sock
B.hydrometer
C.hygrometer
D.sling psychrometer

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8.单项选择题All of the following steps are taken in starting a centrifugal pump，EXCEPT to（）.

A.set the relief valve
B.check the lubrication system
C.vent the pump casing
D.open the pump suction and discharge valves

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9.单项选择题After an engine is started you should（）.

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

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10.单项选择题A wobbling tail shaft is an indication of（）.

A.shallow water
B.an engine that is misfiring
C.a tight tail shaft gland
D.worn stern bearing or misalignment

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