Injection lag
Lube oil dilution
Pre-ignition
Corrosion
第1题：
One cylinder of a diesel engine is persistently knocking and does not cease(停止) when the fuel supply to that cylinder is secured.Which of the following problems may be the cause?
A.Low loading of the cylinder
B.Excessive cooling of that piston
C.Sluggish ring action on the piston
D.A mechanical defect in a working part
第2题：
When steering by hand，which of the following may be a functional input to the steering gear as a result of turning the wheel ________．
A.Non-follow-up
B.Rudder adjustment
C.Weather adjustment
D.All the above may be activated
第3题：
A.When compile, some error will occur.
B.When run, some error will occur.
C.Output is zero.
D.Output is null.
第4题：
Which of the following is eliminated when using SATA instead of PATA technology？（）
第5题：
When using which application may it be necessary to deploy access points in monitor-only mode？（）
第6题：
Which of the following problems may be encountered by using an oil having a viscosity higher than that specified for an operating hydraulic system?
A.External seal leakage
B.Hunting due to fast response
C.Hydraulic oil film breakdown
D.Increased power consumption
第7题：
When replacing a laptop’s hard drive, which of the following may need to be updated?（）
第8题：
Which of the following problems is the main source of fuel pump and injection system malfunctions?
A.Improper lubrication
B.Air in the fuel system
C.Coated fuel lines
D.Excessive vibration
第9题：
When using CHKDSK, which of the following parameters locks the volume, locates bad sectorsand recovers readable information?（）
第10题：
A small office in which all workstations are using an ISP provided IP range has noticed a consistent decrease in network traffic speed. The decrease does not occur when the gateway to the ISP is disconnected. Which of the following should the administrator implement?（）