A.Ammeter and changeover switch
B.Speed governor device
C.Synchroscope
D.Wattmeter
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A.Control panel
B.Paralleling panel
C.Load panel
D.Busbar
A.Overflow valve
B.Reducing valve
C.Balancing valve
D.Reducing valve or balancing valve
A.overflow valve
B.reducing valve
C.relief valve
D.sequence valve
A.overflow valve
B.reducing valve
C.relief valve
D.sequence valve
A.control the fluid flow through it
B.prevent the pressure before it over the specified valve
C.make the pressure after it steady
D.control the direction of oil flow
最新試題
The cetane rating of diesel fuel is an indication of the （）
Cold weather starting of a diesel engine may be made easier by（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Under MARPOL Code the ship to which it applies has to carry （）
The main purpose of port State control is not to（）
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.
Which of the following items don’t belong to dock repair works?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
If separating effect is not good, which measure should be taken （）