智慧树知到答案数控技术英语最新答案

第三章 单元测试

1、判断题：
As NC machines need a large capital investment, we should efficiently use them.
选项：
A:对
B:错
答案: 【】

2、判断题：
Machining is the manufacturing in which the workers can remove the excess material of a part on a machine tool.
选项：
A:错
B:对
答案: 【】

3、判断题：
The feed is defined as the distance the cutting tool projects below the original surface of the work-piece.
选项：
A:错
B:对
答案: 【】

4、单选题：
____is the relative lateral movement between the tool and the work-piece.
选项：
A: The cutting speed
B: The spindle
C: The feed
D: The depth of cut
答案: 【】

5、单选题：
EDM（Electrical Discharge Machining）refers to in Chinese term
选项：
A: 电火花加工
B: 电解加工
C: 电蚀加工
D: 电射加工
答案: 【 】

第四章 单元测试

1、判断题：
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、判断题：
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:错
B:对
答案: 【】

3、判断题：
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:错
B:对
答案: 【】

4、单选题：
Programmers should ________ the particular NC machine, its capabilities, and specific codes.
选项：
A: decide
B: calculate
C: prove
D: be familiar
答案: 【】

5、单选题：
The core of ________, however, is preparation of the manuscript, its conversion into a verified tape, and subsequent editing.
选项：
A: computer-aided programming
B: milling machine
C:manual programming
D: drilling machine
答案: 【】

第五章 单元测试

1、判断题：
Never attempt to machine a work-piece without first checking the operation of the machine.
选项：
A:错
B:对
答案: 【】

2、判断题：
Before starting a production run, it’s not necessary to perform a trial run.
选项：
A:错
B:对
答案: 【】

3、判断题：
When using a tool compensation function,you should check the direction and amount of compensation.
选项：
A:对
B:错
答案: 【】

4、单选题：
Incorrect operation may lead to ________.
选项：
A: serious machine troubles
B: work-piece
C: all right
D: injuries
答案: 【】

5、单选题：
Before operation the machine, you should read the contents in the _______.
选项：
A:textbook
B: cell phone
C: warning labels
D: computer
答案: 【 】

第六章 单元测试

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

选项：
A:错
B:对
答案: 【】

2、判断题：
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、判断题：
Off-Line Diagnostics are manual diagnostics which are intended for thorough
maintenance performed by trained technicians.
选项：
A:错
B:对
答案: 【】

4、单选题：
Numerical control machine operators set up and tend ________.
选项：
A:CNC
B: ADC
C: ATC
D: ATM
答案: 【 】

5、单选题：
With ________ based CNC machine tool controllers, maintenance and repair are no longer an issue.pc
选项：
A: MT
B: PID
C: PC
D: FMS
答案: 【 】

第七章 单元测试

1、判断题：
“Strut-machining department” means “柱式机床部门”.
选项：
A:对
B:错
答案: 【】

2、判断题：
The CNC can‘t send messages to those users that its Windows account can access.
选项：
A:对
B:错
答案: 【】

3、判断题：
Factory Automation (FA) is becoming the developing trend of factories.
选项：
A:错
B:对
答案: 【】

4、单选题：
By connecting ____ to the personal computer and the CNC, the programmer can transfer programs from the computer to the CNC.
选项：
A:a line
B: a hardware
C: a software
D: a cable
答案: 【】

5、单选题：
What does CAD mean?
选项：
A: Controller Aided Diagram
B: Controller Aided Design
C: Computer Aided Design
D: Computer Aided Diagram
答案: 【】

第八章 单元测试

1、判断题：
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:错
B:对
答案: 】

2、判断题：
During the early years of hardwired NC, built-in diagnostic tools existed.
选项：
A:错
B:对
答案: 【】

3、判断题：
The emphasis has changed from “how to fix it” to “how it works”.
选项：
A:对
B:错
答案: 【】

4、单选题：
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:alternating current 24 volts voltage
B: direct current 200 volts voltage
C: alternating current 200 volts voltage
D: direct current 24 volts voltage
答案: 【 】

5、单选题：
FANUC control system works under a _________volts voltage.
选项：
A: alternating current 24
B:alternating current 200
C: direct current 200
D: direct current 24
答案: 【】

第九章 单元测试

1、判断题：
Although the robots resemble human beings, they cannot do the work of humans.
选项：
A:对
B:错
答案: 【】

2、判断题：
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、判断题：
The technology of robots is completely the same as the NC technology in every way.
选项：
A:错
B:对
答案: 【】

4、单选题：
PC (Proportional Controller) refers to in Chinese term
选项：
A: 积分控制器
B: 比例控制器
C: 数字控制器
D: 微分控制器
答案: 【 】

5、单选题：
It is a very big opportunity for human; the challenge is _______ it wisely.
选项：
A: use
B: to be used
C: to use
D: used
答案: 【 】

第十章 单元测试

1、判断题：
In today’s aerospace and aeronautics industry, a complete aircraft may be designed without a CAD/CAM system.
选项：
A:错
B:对
答案: 【】

2、判断题：
Advanced CAD/CAM systems include not only solid geometry modeling capability but also NC verification programs.
选项：
A:错
B:对
答案: 【】

3、判断题：
Generally speaking, a CAD system is an analytic tool for design.
选项：
A:对
B:错
答案: 【】

4、单选题：
To avoid accidents, read safety guidelines and related ________ carefully and operate the system correctly.
选项：
A: manuals
B: minuses
C: manes
D: menus
答案: 【】

5、单选题：
If the NC machine tool is used in a wrong manner, it will ________ serious injuries and machine damages.
选项：
A: responsible for
B: lead to
C:result from
D: due to
答案: 【 】