数控技术英语 智慧树网课章节测试答案

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第一章 章节测试

1、Numerical control is designed to control the operation of a machine tool by a series of coded instructions called a program.

A:对

B:错

答案: 【】

2、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.

A:对

B:错

答案: 【】

3、Like a conventional machine tool, the NC system can’t replace the manual actions of the operator either.

A:对

B:错

答案: 【】

4、数字模拟转换器的英语全称是

A:Analog Digital Converter

B:Digital Analog Converter

C:Central Processing Unit

D:Basic Revolution Unit

答案: 【】

5、模拟数字转换器的英语缩写是________

A:APT

B:DDT

C:DDC

D:ADC

答案: 【】

第二章 章节测试

1、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.

A:对

B:错

答案: 【】

2、DNC is short for direct numerical control.

A:对

B:错

答案: 【】

3、One of the aims of CNC systems is to replace as much of the conventional NC software with hardware as possible.

A:对

B:错

答案: 【】

4、The part program contains a description of the _________.

A:program

B:geometry

C:data

D:parameter

答案: 【】

5、Several machine tools are directly controlled by a central computer, this is the _________.

A:NC

B:CNC

C:BNC

D:DNC

答案: 【】

第三章 章节测试

1、As NC machines need a large capital investment, we should efficiently use them.

A:对

B:错

答案: 【】

2、Machining is the manufacturing in which the workers can remove the excess material of a part on a machine tool.

A:对

B:错

3、The feed is defined as the distance the cutting tool projects below the original surface of the work-piece.

A:对

B:错

4、____is the relative lateral movement between the tool and the work-piece.

A: The depth of cut

B: The cutting speed

C: The feed

D: The spindle

5、EDM（Electrical Discharge Machining）refers to in Chinese term

A: 电蚀加工

B: 电射加工

C: 电火花加工

D: 电解加工

第四章 章节测试

1、Part programmers must have a solid knowledge of machining processes and know a lot of the capabilities of the machine tool.

A:对

B:错

2、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.

A:对

B:错

3、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.

A:对

B:错

4、Programmers should ________ the particular NC machine, its capabilities, and specific codes.

A: calculate

B: decide

C: prove

D: be familiar

5、The core of ________, however, is preparation of the manuscript, its conversion into a verified tape, and subsequent editing.

A: milling machine

B:manual programming

C: drilling machine

D: computer-aided programming

第五章 章节测试

1、Never attempt to machine a work-piece without first checking the operation of the machine.

A:对

B:错

2、Before starting a production run, it’s not necessary to perform a trial run.

A:对

B:错

3、When using a tool compensation function,you should check the direction and amount of compensation.

A:对

B:错

4、Incorrect operation may lead to ________.

A: serious machine troubles

B: injuries

C: work-piece

D: all right

5、Before operation the machine, you should read the contents in the _______.

A: warning labels

B:textbook

C: cell phone

D: computer

第六章 章节测试

1、CNC diagnostic support at present includes four basic categories: start-up diagnostics,

on-line diagnostics, off-line diagnostics and background diagnostics.

A:对

B:错

2、Start-Up Diagnostics are a diagnostic routine that regularly operate automatically when the CNC is switched on.

A:对

B:错

3、 Off-Line Diagnostics are manual diagnostics which are intended for thorough

maintenance performed by trained technicians.

A:对

B:错

4、Numerical control machine operators set up and tend ________.

A: ATM

B:CNC

C: ATC

D: ADC

5、With ________ based CNC machine tool controllers, maintenance and repair are no longer an issue.pc

A: PC

B: PID

C: FMS

D: MT

第七章 章节测试

1、“Strut-machining department” means “柱式机床部门”.

A:对

B:错

2、The CNC can‘t send messages to those users that its Windows account can access.

A:对

B:错

3、Factory Automation (FA) is becoming the developing trend of factories.

A:对

B:错

4、By connecting ____ to the personal computer and the CNC, the programmer can transfer programs from the computer to the CNC.

A: a cable

B:a line

C: a software

D: a hardware

5、What does CAD mean?

A: Controller Aided Design

B: Computer Aided Design

C: Controller Aided Diagram

D: Computer Aided Diagram

第八章 章节测试

1、Not only most of major machine tool manufacturers but also the CNC suppliers offer a wide variety of end-user training on CNC machines.

A:对

B:错

2、During the early years of hardwired NC, built-in diagnostic tools existed.

A:对

B:错

3、The emphasis has changed from “how to fix it” to “how it works”.

A:对

B:错

4、The function of direct current regulated power supply is to input an alternating current power of 220volts, so that it can output __________.

A: direct current 24 volts voltage

B:alternating current 24 volts voltage

C: direct current 200 volts voltage

D: alternating current 200 volts voltage

5、FANUC control system works under a _________volts voltage.

A: direct current 200

B:alternating current 200

C: direct current 24

D: alternating current 24

第九章 章节测试

1、 Although the robots resemble human beings, they cannot do the work of humans.

A:对

B:错

2、Scientists are developing an intelligent robot that can “see” and “touch” and make decisions like human beings.

A:对

B:错

3、The technology of robots is completely the same as the NC technology in every way.

A:对

B:错

4、PC (Proportional Controller) refers to in Chinese term

A: 积分控制器

B: 比例控制器

C: 微分控制器

D: 数字控制器

5、It is a very big opportunity for human; the challenge is _______ it wisely.

A: use

B: to use

C: used

D: to be used

第十章 章节测试

1、  In today’s aerospace and aeronautics industry, a complete aircraft may be designed without a CAD/CAM system.

A:对

B:错

2、 Advanced CAD/CAM systems include not only solid geometry modeling capability but also NC verification programs.

A:对

B:错

3、  Generally speaking, a CAD system is an analytic tool for design.

A:对

B:错

4、To avoid accidents, read safety guidelines and related ________ carefully and operate the system correctly.

A: menus

B: manuals

C: minuses

D: manes

5、If the NC machine tool is used in a wrong manner, it will ________ serious injuries and machine damages.

A: lead to

B:result from

C: due to

D: responsible for