rated capacity of that purifier
viscosity of the oil being purified
maximum design speed of that purifier
specific gravity of the oil being purified
第1题：
An increase in rotor clearances in a rotary pump will ______.
A.increase discharge pressure
B.decrease pump capacity
C.decrease pump cavitation
D.decrease reaction ring clearance
第2题：
Which tanker discharge pattern would be the safest and most efficient ________．
A.Empty the forward tanks and start working aft，emptying each tank in sequence
B.Start discharging with most of the discharge coming from forward，but include some from midships and after tanks
C.Start pumping from forward，midships，and aft with the discharge distributed equally among the tanks
D.Start pumping from midships and then work forward and aft simultaneously as the midships tank is emptied
第3题：
工厂的最小有效规模（Minimum efficient size of plant）
在长期中平均成本处于或接近其最小值的最小的工厂规模。
第4题：
Voice quality is bad due to high delay and jitter on a link. Which two actions will improve the quality of voice calls？（）
第5题：
Which two are advantages of static routing when compared to dynamic routing？（）
第6题：
Which method should be used to warm up the pump turbines prior to discharge ________．
A.Lock the turbine rotor and slowly bleed in steam until operating temperature is reached
B.Run the pump at high speed with the discharge valves closed
C.Run the turbine at slow speed with the pump disconnected
D.Shut the discharge valve and run the pump at slow speed
第7题：
A（）is a set of procedures or a collection of techniques used in a systematic way which it is hoped will result in efficient learning.
method
略
第8题：
A.Security increases because only the network administrator may change the routing tables
B.Configuration complexity decreases as network size increases
C.Routing updates are automatically sent to neighbors
D.Route summarization is compued automatically by the router
E.Routing traffic load is reduced when used in stub network links
F.An efficient algorithm is used to build routing tables,using automatic updates
G.Routing tables adapt automatically to topology changes.
第9题：
Which two are advantages of static routing when compared to dynamic routing?（）
第10题：
decreases the size of the line
should be used if the line is going through a block
should only be used in wire rope
doubles the size of the line