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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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
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
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?（）
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?（）
As a licensed Merchant Marine Officer you are expected to（）.
As compared to carbon dioxide，dry chemical has which advantage?（）
Apparent time is based on（）.
At 1810，a red buoy bears 010° relative. This buoy marks（）.
As you approach mile 659.4 AHP，you see on the right descending bank a flashing green light. This light marks（）.
At 0815，visibility is excellent and you can see Montauk Point. Montauk Point Light is（）.
Application for a waiver of any requirements of the regulations for oil transfer operations must be submitted to the（）.
Any extinguishing agent used on a Class “C” fire must have which important property? （）