A.weather vane，wind vane or wind sock
B.hydrometer
C.hygrometer
D.sling psychrometer
您可能感興趣的試卷
你可能感興趣的試題
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
As it approaches，a typical warm front will bring（）.
At 0815，visibility is excellent and you can see Montauk Point. Montauk Point is（）.
As the South Equatorial Current approaches the east coast of Africa，it divides with the main part flowing south to form the warm（）.
As a licensed Merchant Marine Officer you are expected to（）.
At 0530，your position is LAT 41°12.6’N，LONG 72°08.5’W. What is the color of New London Light?（）
As you approach Giles Bend Cutoff Light (mile 367.7 LDB)，what type of daymark would you see on the light structure?（）
As seen from the tow，what should connect the leading ends of both towing bridle legs to the main towing hawser?（）
At 1920，the buoy forward of your starboard beam is（）.
As defined in the regulations governing marine casualties a “marine employer” may be the（）.
As compared to carbon dioxide，dry chemical has which advantage?（）