网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
The pressure range between the system cut in and cut out pressures in a refrigeration unit is known as（）
A
opposing operational drag
B
pressure distribution
C
differential
D
system purge
参考答案
参考解析
解析：
暂无解析
更多 “单选题The pressure range between the system cut in and cut out pressures in a refrigeration unit is known as（）A opposing operational dragB pressure distributionC differentialD system purge” 相关考题
考题
In order to save time, I () my shopping to once a week.
A.cut offB.cut outC.cut upD.cut down
考题
My wife is out of work now, so we have to ________ our living expenses.
A.cut downB.cut outC.cut offD.cut short
考题
The experiment is carried cut to prove ______.A. water pushes on your body when you swim underwater.B. the earth is surrounded by a layer of air called the atmosphere.C. the pressure of air around us has a powerful force.D. the air pressure is not equalized around us.
考题
Ventilation ().A、is a system for moving fresh airB、can cut indoor pollution to a safe levelC、can cause some diseasesD、is better done through air-conditioning
考题
Your hair needs ____; would you like me ____ it for you?
A.cutting...doingB.to cut...doingC.to be cut...to doD.being cut...to do
考题
In order to()handling and shipping expenses as()as possible, we suggest that you ship the large order in containers.
A、cut down⋯muchB、cut out⋯muchC、subtract⋯lowD、decrease⋯high
考题
The government decided to ____ its military expenditure.
A. cut offB. cut upC. cut awayD. cut down on
考题
In the refrigeration system, a shortage of refrigerant is indicated byA.the compressor short cycling on high pressure cut out switchB.high suction pressureC.high head pressureD.bubbles in the sight glass
考题
You are discharging cargo and the inert gas system is in operation to inert the tanks. The pressure in a tank being discharged starts to drop below the allowable limit. What action should you take?A.Cut in another IG fan to increase gas flowB.Open the pressure control valve until the pressure increasesC.Open the tank isolation valve to the fully open positionD.Reduce the pumping rate
考题
He was in hospital for six months. He felt as if he was____ from the outside world.
A. cut off
B. cut out
C. cut up
D. cut through
考题
He was in hospital for six months．He felt as if he was__________from the outside world．A.cut off
B.cut out
C.cut up
D.cut through
考题
Nuclear power plants in Europe have been forced to____electricity production becauseof warmer-than-usual seawater.
A、cutin
B、cut off
C、cut out
D、cut back
考题
Henry’s business is much worse than before, therefore, he has to ______ the expense of his corporation.A.cut into
B.cut in
C.cut down
D.cut off
考题
If we are to use the technique of IC analysis to analyze the sentence“She broke the window with a ( ) stone yesterday”，where is the first cut？ A.Between stone and yesterday
B.Between she and broke
C.Between broke and the window
D.Between window and with
考题
class Order implements Runnable ｛ public void run（） ｛ try ｛ Thread.sleep（2000）； ｝ catch （Exception e） ｛ ｝ System.out.print（"in "）； ｝ public static void main（String [] args） ｛ Thread t ＝ new Thread（new Order（））； t.start（）； System.out.print（"pre "）； try ｛ t.join（）； ｝ catch （Exception e） ｛ ｝ System.out.print（"post "）； ｝ ｝ 可产生哪两项结果？（）A、in preB、pre inC、in pre postD、pre in post
考题
class Order implements Runnable { public void run （） { try { Thread.sleep （2000） ； } catch （Exception e） System.out.print（"in"） ； public static void main （String [] args） { Thread t = new Thread （new Order （）） ； t.start （） ； System.out.print （"pre "） ； try { t.join （） ； } catch （Exception e） { } System.out.print （"post"） ； 可产生哪两项结果？（） A、 pre in postB、 pre inC、 in post preD、 in pre postE、 pre post in
考题
单选题Which is a function of the voltage regulators used with AC generators?（）A
To cut out generators when they are no longer requiredB
To cut in additional generators automatically as requiredC
To divide the KW load equally between generators operating in parallelD
To divide reactive current between generators operating in parallel
考题
单选题In the refrigeration system, a shortage of refrigerant is indicated by （）.A
the compressor short cycling on high pressure cut out switchB
high suction pressureC
high head pressureD
bubbles in the sight glass
考题
单选题The rim of the piston may contain cut-out portions to accommodate （） when they open.A
the gasesB
the airC
the valvesD
the injectors
考题
单选题It is often necessary to put an engine into （） service with one or more cylinders cut out, or with a turbocharger secured.A
additionalB
permanentC
temporaryD
long
考题
单选题An axial piston, variable stroke pump is used in a vessels hydraulic steering gearUnder pressure, oil continually leaks out from between the valve plate/cylinder barrel and will（）.A
cause loss of hydraulic oil from the systemB
result in extreme damage to the pumpC
cause damage to the pump ff not continually drained from the pump casingD
result in the system high side pressure to substantially drop off
考题
单选题The purpose of the low pressure cut-out switch is to （）.A
maintain liquid refrigerant at the suction of the compressorB
maintain a preset suction pressure to the compressorC
start and stop the compressor at preset operating pressuresD
operate at minimum efficiency
考题
单选题The pressure range between the system cut in and cut out pressures in a refrigeration unit is known as（）A
opposing operational dragB
pressure distributionC
differentialD
system purge
考题
单选题When cutting wire rope，seizings are put on each side of the cut.The seizings prevent the wire from unlaying and also（）.A
Maintain the original balance of the tension in the wires and strandsB
Prevent moisture from entering between the wires at the cut endC
Forces lubricant from the core to protect the raw，cut endD
All of the above
热门标签
最新试卷