Excessive wear
Scuffing of the liner
Piston seizure
All of the above
第1题:
Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?
A.Corrosion and eventual failure of the tank
B.Gumming of the tank relief valves
C.Immediate failure of components downstream of the compressed air system
D.Boiling of the water oil mixture as pressure is reduced
第2题:
A.DNS
B.Telnet
C.SMTP
D.SNMP
E.HTTP
F.TFTP
第3题:
(c) Suggest ways in which each of the six problems chosen in (a) above may be overcome. (6 marks)
第4题:
Which of the following services are performed by the forwarder on behalf of the consignee?()
第5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6题:
Which of the following factors will affect the strength and magnitude of the signal?
A.The number of the gear tooth
B.The clearance between the pole pieces.
C.The size of the sensor.
D.The MPUs thread
第7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8题:
A、assure
B、resign
C、convince
D、trust
第9题:
An administrator needs to diagnose problems with a WINS server. Which of the following toolsshould be used?()
第10题:
A legacy network that is prone to errors may have issues with services that use UDP. Which of the following services could have problems in this case, due to the fact that UDP is used?()