2021知到答案 数控技术英语 智慧树网课章节测试答案

第一章 章节测试

1、选择题:Numerical control is designed to control the operation of a machine tool by a series of coded instructions called a program.
选项:
A:对
B:错
答案: 【
2、选择题:A part program is stored in the form of blocks of information, and each block has the numerical data needed to manufacture a segment of the work-piece.
选项:
A:对
B:错
答案: 【
3、选择题:Like a conventional machine tool, the NC system can’t replace the manual actions of the operator either.
选项:
A:对
B:错
答案: 【
4、选择题:数字模拟转换器的英语全称是
选项:
A:Analog Digital Converter
B:Digital Analog Converter
C:Central Processing Unit
D:Basic Revolution Unit
答案: 【Central Processing Unit
5、选择题: 模拟数字转换器的英语缩写是________
选项:
A:APT
B:DDT
C:DDC
D:ADC
答案: 【ADC

第二章 章节测试

1、选择题:An important advance in the philosophy of NC of machine tools was the shift toward the use of controller units instead of computers in NC systems.
选项:
A:对
B:错
答案: 【
2、选择题:DNC is short for direct numerical control.
选项:
A:对
B:错
答案: 【
3、选择题:One of the aims of CNC systems is to replace as much of the conventional NC software with hardware as possible.
选项:
A:对
B:错
答案: 【
4、选择题:The part program contains a description of the _________.
选项:
A:program
B:geometry
C:data
D:parameter
答案: 【geometry
5、选择题:Several machine tools are directly controlled by a central computer, this is the _________.
选项:
A:NC
B:CNC
C:BNC
D:DNC
答案: 【DNC

第三章 章节测试

1、选择题: As NC machines need a large capital investment, we should efficiently use them.
选项:
A:对
B:错
答案: 【】[$]
2、选择题: Machining is the manufacturing in which the workers can remove the excess material of a part on a machine tool.
选项:
A:对
B:错
答案: 【
3、选择题: The feed is defined as the distance the cutting tool projects below the original surface of the work-piece.
选项:
A:对
B:错
答案: 【
4、选择题: ____is the relative lateral movement between the tool and the work-piece.
选项:
A: The depth of cut
B: The cutting speed
C: The feed
D: The spindle
答案: 【 The feed
5、选择题:EDM(Electrical Discharge Machining)refers to in Chinese term
选项:
A: 电蚀加工
B: 电射加工
C: 电火花加工
D: 电解加工
答案: 【 电火花加工

第四章 章节测试

1、选择题: Part programmers must have a solid knowledge of machining processes and know a lot of the capabilities of the machine tool.
选项:
A:对
B:错
答案: 【
2、选择题: NC part programming includes three tasks: the collection of all data needed, the calculation of the tool path and the arrangement of those given and calculated data.
选项:
A:对
B:错
答案: 【
3、选择题: The required data contained in each line of the manuscript includes all machining instructions for transferring the cutting tool from one point to the next one.
选项:
A:对
B:错
答案: 【
4、选择题: Programmers should ________ the particular NC machine, its capabilities, and specific codes.
选项:
A: calculate
B: decide
C: prove
D: be familiar
答案: 【 be familiar
5、选择题:The core of ________, however, is preparation of the manuscript, its conversion into a verified tape, and subsequent editing.
选项:
A: milling machine
B:manual programming
C: drilling machine
D: computer-aided programming
答案: 【manual programming 

第五章 章节测试

1、选择题: Never attempt to machine a work-piece without first checking the operation of the machine.
选项:
A:对
B:错
答案: 【
2、选择题: Before starting a production run, it’s not necessary to perform a trial run.
选项:
A:对
B:错
答案: 【
3、选择题: When using a tool compensation function,you should check the direction and amount of compensation.
选项:
A:对
B:错
答案: 【
4、选择题: Incorrect operation may lead to ________.
选项:
A: serious machine troubles
B: injuries
C: work-piece
D: all right
答案: 【 all right
5、选择题: Before operation the machine, you should read the contents in the _______.
选项:
A: warning labels
B:textbook
C: cell phone
D: computer
答案: 【 warning labels

第六章 章节测试

1、选择题: CNC diagnostic support at present includes four basic categories: start-up diagnostics,
on-line diagnostics, off-line diagnostics and background diagnostics.

选项:
A:对
B:错
答案: 【
2、选择题: Start-Up Diagnostics are a diagnostic routine that regularly operate automatically when the CNC is switched on.
选项:
A:对
B:错
答案: 【
3、选择题:  Off-Line Diagnostics are manual diagnostics which are intended for thorough
maintenance performed by trained technicians.
选项:
A:对
B:错
答案: 【
4、选择题: Numerical control machine operators set up and tend ________.
选项:
A: ATM
B:CNC
C: ATC
D: ADC
答案: 【CNC 
5、选择题: With ________ based CNC machine tool controllers, maintenance and repair are no longer an issue.pc
选项:
A: PC
B: PID
C: FMS
D: MT
答案: 【 PC

第七章 章节测试

1、选择题: “Strut-machining department” means “柱式机床部门”.
选项:
A:对
B:错
答案: 【
2、选择题: The CNC can‘t send messages to those users that its Windows account can access.
选项:
A:对
B:错
答案: 【
3、选择题: Factory Automation (FA) is becoming the developing trend of factories.
选项:
A:对
B:错
答案: 【
4、选择题: By connecting ____ to the personal computer and the CNC, the programmer can transfer programs from the computer to the CNC.
选项:
A: a cable
B:a line
C: a software
D: a hardware
答案: 【 a cable
5、选择题: What does CAD mean?
选项:
A: Controller Aided Design
B: Computer Aided Design
C: Controller Aided Diagram
D: Computer Aided Diagram
答案: 【 Computer Aided Design

第八章 章节测试

1、选择题: Not only most of major machine tool manufacturers but also the CNC suppliers offer a wide variety of end-user training on CNC machines.
选项:
A:对
B:错
答案: 【
2、选择题: During the early years of hardwired NC, built-in diagnostic tools existed.
选项:
A:对
B:错
答案: 【
3、选择题: The emphasis has changed from “how to fix it” to “how it works”.
选项:
A:对
B:错
答案: 【
4、选择题: The function of direct current regulated power supply is to input an alternating current power of 220volts, so that it can output __________.
选项:
A: direct current 24 volts voltage
B:alternating current 24 volts voltage
C: direct current 200 volts voltage
D: alternating current 200 volts voltage
答案: 【 direct current 24 volts voltage  
5、选择题: FANUC control system works under a _________volts voltage.
选项:
A: direct current 200
B:alternating current 200
C: direct current 24
D: alternating current 24
答案: 【 direct current 24

第九章 章节测试

1、选择题:  Although the robots resemble human beings, they cannot do the work of humans.
选项:
A:对
B:错
答案: 【
2、选择题: Scientists are developing an intelligent robot that can “see” and “touch” and make decisions like human beings.
选项:
A:对
B:错
答案: 【
3、选择题: The technology of robots is completely the same as the NC technology in every way.
选项:
A:对
B:错
答案: 【
4、选择题:PC (Proportional Controller) refers to in Chinese term
选项:
A: 积分控制器
B: 比例控制器
C: 微分控制器
D: 数字控制器
答案: 【 比例控制器
5、选择题:It is a very big opportunity for human; the challenge is _______ it wisely.
选项:
A: use
B: to use
C: used
D: to be used
答案: 【 to use

第十章 章节测试

1、选择题:   In today’s aerospace and aeronautics industry, a complete aircraft may be designed without a CAD/CAM system.
选项:
A:对
B:错
答案: 【
2、选择题:  Advanced CAD/CAM systems include not only solid geometry modeling capability but also NC verification programs.
选项:
A:对
B:错
答案: 【
3、选择题:   Generally speaking, a CAD system is an analytic tool for design.
选项:
A:对
B:错
答案: 【
4、选择题: To avoid accidents, read safety guidelines and related ________ carefully and operate the system correctly.
选项:
A: menus
B: manuals
C: minuses
D: manes
答案: 【 manuals 
5、选择题: If the NC machine tool is used in a wrong manner, it will ________ serious injuries and machine damages.
选项:
A: lead to
B:result from
C: due to
D: responsible for
答案: 【 lead to】[/$]

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