A.Ammeter and changeover switch
B.Power factor meter
C.Synchroscope
D.Reverse sequence relay
您可能感興趣的試卷
你可能感興趣的試題
A.seal water supply be cut off
B.make up water supply be cut off
C.oil outlet valve closed or not open sufficiently
D.the flow rate of oily water is too much
When does auxiliary burner of incinerator put into operation? ()
Ⅰ. start incinerator when it is cold
Ⅱ. the sludge for dealing with is little
Ⅲ. the sludge for dealing with is large
Ⅳ. the water and impurity in sludge are too much
Ⅴ. the temperature in incinerator is low
Ⅵ. dealing with little solid rubbish
A.Ⅰ+Ⅱ+Ⅲ+Ⅴ
B.Ⅰ+Ⅱ+Ⅲ+Ⅳ
C.Ⅰ+Ⅳ+Ⅴ+Ⅵ
D.Ⅰ+Ⅱ+Ⅲ+Ⅵ
A.working at intervals and properly heating
B.warming up to 70℃, increase water supply flow
C.improving impulse of water supply
D.reducing water supply flow
A.MARPOL Annex Ⅲ
B.MARPOL Annex Ⅵ
C.MARPOL Annex Ⅴ
D.MARPOL Annex Ⅳ
A.an International Ship Security Certificate
B.an International Oil Pollution Certificate
C.a Safety Management Certificate
D.an International Ballast Water Management Certificate
最新試題
The ISPS Code consists of a mandatory section-Part A, which shows()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
Using a file without a handle may result in ()
Cold weather starting of a diesel engine may be made easier by()
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
Diesel engine air start system check valves are opened by ()
The main purpose of port State control is not to()
Flame failure in an automatically fired auxiliary boiler can from a/an ()