數(shù)控技術(shù)英語智慧樹知到答案章節(jié)測試2023年

第一章測試Numericalcontrolisdesignedtocontroltheoperationofamachinetoolbyaseriesofcodedinstructionscalledaprogram.

A:對

B:錯

答案:AApartprogramisstoredintheformofblocksofinformation,andeachblockhasthenumericaldataneededtomanufactureasegmentofthework-piece.

A:對

B:錯

答案:ALikeaconventionalmachinetool,theNCsystemcan’treplacethemanualactionsoftheoperatoreither.

A:錯

B:對

答案:A數(shù)字模擬轉(zhuǎn)換器的英語全稱是

A:BasicRevolutionUnit

B:CentralProcessingUnit

C:DigitalAnalogConverter

D:AnalogDigitalConverter

答案:B

模擬數(shù)字轉(zhuǎn)換器的英語縮寫是________

A:ADC

B:DDC

C:APT

D:DDT

答案:A第二章測試AnimportantadvanceinthephilosophyofNCofmachinetoolswastheshifttowardtheuseofcontrollerunitsinsteadofcomputersinNCsystems.

A:對

B:錯

答案:BDNCisshortfordirectnumericalcontrol.

A:錯

B:對

答案:BOneoftheaimsofCNCsystemsistoreplaceasmuchoftheconventionalNCsoftwarewithhardwareaspossible.

A:錯

B:對

答案:AThepartprogramcontainsadescriptionofthe_________.

A:parameter

B:data

C:geometry

D:program

答案:CSeveralmachinetoolsaredirectlycontrolledbyacentralcomputer,thisisthe_________.

A:BNC

B:DNC

C:CNC

D:NC

答案:B第三章測試

AsNCmachinesneedalargecapitalinvestment,weshouldefficientlyusethem.

A:對

B:錯

答案:A

Machiningisthemanufacturinginwhichtheworkerscanremovetheexcessmaterialofapartonamachinetool.

A:對

B:錯

答案:A

Thefeedisdefinedasthedistancethecuttingtoolprojectsbelowtheoriginalsurfaceofthework-piece.

A:對

B:錯

答案:B

____istherelativelateralmovementbetweenthetoolandthework-piece.

A:

Thedepthofcut

B:

Thefeed

C:

Thecuttingspeed

D:

Thespindle

答案:BEDM（ElectricalDischargeMachining）referstoinChineseterm

A:

電火花加工

B:

電解加工

C:

電射加工

D:

電蝕加工

答案:A第四章測試

Partprogrammersmusthaveasolidknowledgeofmachiningprocessesandknowalotofthecapabilitiesofthemachinetool.

A:錯

B:對

答案:B

NCpartprogrammingincludesthreetasks:thecollectionofalldataneeded,thecalculationofthetoolpathandthearrangementofthosegivenandcalculateddata.

A:對

B:錯

答案:A

Therequireddatacontainedineachlineofthemanuscriptincludesallmachininginstructionsfortransferringthecuttingtoolfromonepointtothenextone.

A:錯

B:對

答案:A

Programmersshould________theparticularNCmachine,itscapabilities,andspecificcodes.

A:

decide

B:

befamiliar

C:

prove

D:

calculate

答案:BThecoreof________,however,ispreparationofthemanuscript,itsconversionintoaverifiedtape,andsubsequentediting.

A:manualprogramming

B:

computer-aidedprogramming

C:

millingmachine

D:

drillingmachine

答案:A第五章測試

Neverattempttomachineawork-piecewithoutfirstcheckingtheoperationofthemachine.

A:錯

B:對

答案:B

Beforestartingaproductionrun,it’snotnecessarytoperformatrialrun.

A:對

B:錯

答案:B

Whenusingatoolcompensationfunction,youshouldcheckthedirectionandamountofcompensation.

A:對

B:錯

答案:A

Incorrectoperationmayleadto________.

A:

work-piece

B:

injuries

C:

allright

D:

seriousmachinetroubles

答案:C

Beforeoperationthemachine,youshouldreadthecontentsinthe_______.

A:

warninglabels

B:textbook

C:

computer

D:

cellphone

答案:A第七章測試

“Strut-machiningdepartment”means“柱式機床部門”.

A:錯

B:對

答案:B

TheCNCcan‘tsendmessagestothoseusersthatitsWindowsaccountcanaccess.

A:錯

B:對

答案:A

FactoryAutomation(FA)isbecomingthedevelopingtrendoffactories.

A:錯

B:對

答案:B

Byconnecting____tothepersonalcomputerandtheCNC,theprogrammercantransferprogramsfromthecomputertotheCNC.

A:

ahardware

B:aline

C:

acable

D:

asoftware

答案:C

WhatdoesCADmean?

A:

ComputerAidedDesign

B:

ControllerAidedDiagram

C:

ComputerAidedDiagram

D:

ControllerAidedDesign

答案:A第八章測試

NotonlymostofmajormachinetoolmanufacturersbutalsotheCNCsuppliersofferawidevarietyofend-usertrainingonCNCmachines.

A:錯

B:對

答案:B

DuringtheearlyyearsofhardwiredNC,built-indiagnostictoolsexisted.

A:錯

B:對

答案:A

Theemphasishaschangedfrom“howtofixit”to“howitworks”.

A:對

B:錯

答案:B

Thefunctionofdirectcurrentregulatedpowersupplyistoinputanalternatingcurrentpowerof220volts,sothatitcanoutput__________.

A:

directcurrent24voltsvoltage

B:

alternatingcurrent200voltsvoltage

C:

directcurrent200voltsvoltage

D:alternatingcurrent24voltsvoltage

答案:A

FANUCcontrolsystemworksundera_________voltsvoltage.

A:

directcurrent24

B:

alternatingcurrent24

C:alternatingcurrent200

D:

directcurrent200

答案:A第九章測試

Althoughtherobotsresemblehumanbeings,theycannotdotheworkofhumans.

A:錯

B:對

答案:A

Scientistsaredevelopinganintelligentrobotthatcan“see”and“touch”andmakedecisionslikehumanbeings.

A:對

B:錯

答案:A

ThetechnologyofrobotsiscompletelythesameastheNCtechnologyineveryway.

A:對

B:錯

答案:BPC(ProportionalController)referstoinChineseterm

A:

微分控制器

B:

比例控制器

C:

數(shù)字控制器

D:

積分控制器

答案:BItisaverybigopportunityforhuman;thechallengeis_______itwisely.

A:

used

B:

touse

C:

use

D:

tobeused

答案:B第十章測試

Intoday’saerospaceandaeronauticsindustry,acompleteaircraftmaybedesignedwithoutaCAD/CAMsystem.

A:錯

B:對

答案:A

AdvancedCAD/CAMsystemsincludenotonlysolidgeometrymodelingcapabilitybutalsoNCverificationprograms.

A:對

B:錯

答案:A

Generallyspeaking,aCADsystemisananalytictoolfordesign.

A:錯

B:對

答案:A

Toavoidaccidents,readsafetygui