单选题The FIRST thing to do to ensure that a refrigeration unit will not start while undergoing repairs, is to （）.Asecure and tag the electrical circuitBplace a crow bar in the flywheel of the unitCinform all persons in the area not to start the unitDmake a log book entry
单选题
The FIRST thing to do to ensure that a refrigeration unit will not start while undergoing repairs, is to （）.
A
secure and tag the electrical circuit
B
place a crow bar in the flywheel of the unit
C
inform all persons in the area not to start the unit
D
make a log book entry
参考解析
解析：
暂无解析
相关考题：
The FIRST thing to do to ensure that a refrigeration unit will not start while undergoing repairs, is to _____.A.secure and tag the electrical circuitB.place a crow bar in the flywheel of the unitC.inform. all persons in the area not to start the unitD.make a log book entry
When adding oil to a refrigeration system, precautions must be taken to ensure thatA.the compressor suction pressure is not too highB.all air is purged from the pump and charging fittingsC.the high pressure cutout switch is held open to prevent accidental startingD.the condenser is completely shutdown first
Which of the following is the FIRST thing a technician should do before putting their hand inside a computer case?() A. Acquire the appropriate tools that are going to be used.B. Touch the case to discharge static.C. Remove loose jewelry.D. Refer to manufacturer documentation.
You are currently in the process of creating an application that reads binary information from a file.You need to ensure that the only the first kilobyte of data is retrieved.What should you do?() A.B.C.D.
Unit testing refers to that each ( ) is tested to ensure that it operates correctly.A.subsystemB.deviceC.applicationD.module
Some young soldiers who had recently joined the army were being trained in modern ways of fighting,and one of the things they were shown was how an unarmed man could trick an armed enemy and take his weapon away from him．First one of their two instructors took a knife away from the other,using only his bare hands;and then he took a rifle away from him in the same way．After the lesson,and before they went on to train the young soldiers to do these things themselves,the two instructors asked them a number of questions to see how well they had understood what they had been shown．One of the questions was this:“Well,you now know what an unarmed man can do against a man with a rifle．Imagine that you are guarding a bridge at night,and that you have a rifle．Suddenly you see an unarmed enemy soldier coming towards you．What will you do?”The young soldier who had to answer this question thought carefully for a few seconds before he answered,and then said,“Well,after what I have just seen,I think that the first thing I would do would be to get rid of my rifle as quickly as I could,so that the unarmed enemy couldn't take it from me and kill me with it!”The young soldier told the instructor that__．A.the important thing was to be braveB.the important thing was to save your lifeC.the important thing was to have a gunD.the important thing was to know the trick
To qualify for a promotion, （）to exceed the quota.Athe best thing he could do wasBhe did his bestCall he could do wasDhis best thing was
In order to（）the disease, the first thing we should do is to do research about it and find out a satisfactory cure.AconfirmBconductCcontrolDconfuse
To qualify for a promotion, （）to exceed the quota.A、the best thing he could do wasB、he did his bestC、all he could do wasD、his best thing was
Which of the following is the FIRST thing a technician should do before putting their hand inside a computer case?（）A、Acquire the appropriate tools that are going to be used.B、Touch the case to discharge static.C、Remove loose jewelry.D、Refer to manufacturer documentation.
Lightening causes a power surge and leads to a fire in the datacenter. Following emergency procedures， which of the following is the FIRST thing the server administrator should do？（）A、Turn off all electrical powerB、Remove all backup mediaC、Implement fire suppressionD、Evacuate all personnel
When replacing a laptop keyboard, the FIRST thing that Bob, a technician, should do is remove:（）A、the battery.B、the memory cover and memory sticks giving access to the screws holding the keyboard in place.C、the top bezel covering the screws holding the keyboard in place.D、the AC power.
Which of the following will begin a new unit of work?（）A、The CONNECT statementB、The first FETCH of a cursorC、The BEGIN TRANSACTION statementD、The first executable SQL statement
单选题When adding oil to a refrigeration system, precautions must be taken to ensure that （）.Athe compressor suction pressure is not too highBall air is purged from the pump and charging fittingsCthe high pressure cutout switch is held open to prevent accidental startingDthe condenser is completely shutdown first
问答题练习10 Today’s wealthy parents perhaps realize their riches can be more of a heavy load than a happiness to their children. So the first thing for them to consider is to ensure that their families are as rich in love as they are in money.
单选题Before charging a refrigeration unit, the refrigerant charging lines should be（）Aflushed with clean refrigerant oilBpurged with the refrigerantCwashed with an ammonia and alcohol solutionDgrounded to compressor
单选题Before writing a book, the first thing is considering what to say.Ayou must first ponder what to say and what not to be said carefullyBit’s extremely necessary that you know what to sayCthe first thing is to consider what to sayDyou must first ponder what to say and what not to say
问答题Practice 7 (1) Today’s wealthy parents perhaps realize their riches can be more of a heavy load than a happiness to their children. (2) So the first thing for them to consider is to ensure that their families are as rich in love as they are in money.
单选题The first and most important thing parents should do to help their children is _____.Ato provide them with a safer environmentBto lower their expectations for themCto get them more involved sociallyDto set a good model for them to follow
单选题In order to（）the disease, the first thing we should do is to do research about it and find out a satisfactory cure.AconfirmBconductCcontrolDconfuse
单选题An administrator installs a driver,reboots the DC, and logs in to configure the NIC. Once the administrator opens the NIC properties, the server bluescreens and now will no longer boot into Windows. Which of the following is the FIRST thing the administrator should do?（）ABoot into Last Known Good ConfigurationBReseat the NICCBoot into Safe ModeDBoot into Directory Services Restore Mode
单选题The pressure range between the system cut in and cut out pressures in a refrigeration unit is known as（）Aopposing operational dragBpressure distributionCdifferentialDsystem purge
单选题When a refrigeration compressor motor fails to start, the FIRST thing that should be checked for is a （）.Aloose expansion valve control bulbBlow differential setting on the H-PcutoutCblown fuse in the motor circuitDfaulty suction pressure regulator
单选题For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.Aportable ventilation systemBflame safety lampCself-contained breathing apparatusDgas mask
单选题To qualify for a promotion, （）to exceed the quota.Athe best thing he could do wasBhe did his bestCall he could do wasDhis best thing was
单选题The first thing for you to do before you buy clothes is to read the labels inside the clothes.ARight.BWrong.CDoesn’t Say.