Constant pressure system
Variable pressure system
Variable displacement system
Constant volume system
第1题：
Among the basic categories of equipment, which of the following are used to convert the hydraulic energy into linear motion?
A.hydraulic pumps
B.valves
C.hydraulic cylinders
D.hydraulic motors
第2题：
Among the basic categories of equipment, which of the following is used to convert hydraulic energy into continuous rotary motion?
A.hydraulic pumps
B.valves
C.hydraulic cylinders
D.hydraulic motors
第3题：
Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?
A.hydraulic pumps
B.valves
C.hydraulic cylinders
D.hydraulic motors
第4题：
Which of the following will allow multiple operating systems to run on one workstation？（）
第5题：
Which one of the following is not relevant to the others?（）
Aairport
Bairfield
Cairline
Dair-conditioned
第6题：
A.ARP
B.IGP
C.BGP
D.EGP
第7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8题：
Gear pumps are widely used to transfer any one of the following but .
A.fuel oil
B.lube oil
C.hydraulic oil
D.fresh water
第9题：
Which of the following SCSI signaling systems uses one return line for every outgoing line， is less susceptible to interference， signal degradation， crosstalk， and allows a cable length of up to 25 meters？（）
第10题：
Which of the following is an interior routing protocol that is used to provide routing within autonomous systems?（）