A.shockless
B.smokeless
C.no vibration
D.noiseless
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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
A.methyl chloride
B.ammonia
C.hydrofluoric acid
D.ozone
最新試題
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
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.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）