A.small wire brush
B.compressed air jet
C.clean dry cloth
D.10% solution carbon solvent and water
您可能感興趣的試卷
你可能感興趣的試題
A.portable growler
B.galvanometer
C.visual inspection
D.megohmmeter
A.over-speed trip
B.reverse power relay
C.back pressure trip
D.governor controls
A.Impedance
B.Current
C.Resistance
D.Voltage
A.Frequency meter
B.Ammeter
C.Voltmeter
D.All of the above
A.thousandth (10 to the-3rd power)
B.millionth (10 to the-6th power)
C.billionth (10 to the-9th power)
D.trillionth (10 to the-12th power)
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The treatment of the fuel oils involves storage, heating, filtering and（）
Cold weather starting of a diesel engine may be made easier by（）
Under MARPOL Code the ship to which it applies has to carry （）
The ISPS Code consists of a mandatory section-Part A, which shows（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）