A.metering
B.control
C.using
D.timing
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A.shockless
B.smokeless
C.no vibration
D.noiseless
A.cooling water
B.cooling oil
C.refrigerant
D.lubricate oil
A.nuts
B.screws
C.studs
D.flanges
A.The alternators are not generating the same voltages and should be adjusted on automatic voltage regulator rheostats
B.Alternator frequencies are different and should be adjusted on the governor speed controllers
C.Alternators are out of phase and should be tripped and paralleled again
D.One alternator has lost one of its phases
A.high input impedance, high gain and low output impedance
B.high input impedance, high gain and high output impedance
C.low input impedance, low gain and high output impedance
D.low input impedance, high gain and low output impedance
最新試題
The condensers located in various stages of a flash evaporator are cooled by（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
To proceed to the assistance of a ship in distress is（）
The shipboard oil pollution emergency plan will be invalid after （）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
If separating effect is not good, which measure should be taken （）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.