A.hazy light
B.hazy light brown
C.hazy light blue
D.hazy light grey
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A.upwards；inwards
B.upwards；outwards
C.downwards；inwards
D.downwards；outwards
A.at the first stop after a long voyage egby anchoring if possible
B.at the first stop after arrival at harbor
C.at the first stop after low load running
D.at the first stop after passing river or canal passage
A.disengaged
B.engaged
C.assembled
D.disassembled
A.supply clean air to the measuring compartment of the units for more accuracy
B.generaate the pressure required for the extraction of the oil mist from the
C.generate the pressure required for the extraction of the oil mist from the crankcase
D.supply clean air to the measuring track of the units for more accuracy
A.avoid false alarms as a result of condensing water vapor
B.avoid danger of frost under very cold weather
C.reduce the viscosity of the crankcase atmosphere in order to improve the fluidity
D.keep the temperature of the oil mist detectors in an appropriate range
最新試題
Under MARPOL Code the ship to which it applies has to carry （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
（） is not installed on the main switchboar.
The cetane rating of diesel fuel is an indication of the （）
If separating effect is not good, which measure should be taken （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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
Which of the following items don’t belong to dock repair works?（）
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（）