A.thermometer
B.barometer
C.hygrograph
D.thermograph
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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
As you approach mile 427.6 AHP，you see on the right side a white buoy with orange bands and diamond. This buoy marks（）.
At 0815，visibility is excellent and you can see Montauk Point. Montauk Point Light is（）.
At 1923，you increase speed to make good 9.2 mph. What is the first gage you will pass after your speed change?（）
Application for a waiver of any requirements of the regulations for oil transfer operations must be submitted to the（）.
Apparent time is based on（）.
As the temperature of the air reaches the dew point，（）.
At 0845，you are approaching the entrances to Thimble Shoal Channel. What channel must you use?（）
As you approach Giles Bend Cutoff Light (mile 367.7 LDB)，what type of daymark would you see on the light structure?（）
As a vessel changes course to starboard，the compass card in a magnetic compass（）.
As compared to carbon dioxide，dry chemical has which advantage?（）