A.pyrostats and a voltmeter
B.a gas-filled bellows, a tube and a pressure gauge
C.thermocouples and a voltmeter
D.ammeters and thermocouples
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A.clogged coolant passages
B.a leaking cylinder head gasket
C.low fuel oil pressure
D.worn or broken cylinder liner sealing rings
A.before TDC and close after BDC
B.after TDC and close after BDC
C.before TDC and close before BDC
D.after TDC and close before BDC
A.an air start cam
B.cylinder compression pressure
C.starting air pressure
D.valve springs
A.chemical analysis
B.back pressure readings
C.pyrometer readings
D.infrared analysis
A.insufficient fuel supply due to fuel pump valves sticking or leaking
B.excessive mechanical clearance between the piston crown and cylinder head
C.excessively worn fuel pump plunger
D.excessive exhaust back pressure
最新試題
Which of the following items don’t belong to dock repair works?（）
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?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The condensers located in various stages of a flash evaporator are cooled by（）
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
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
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（）
（） is not installed on the main switchboar.