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【单选题】
25.热继电器的电气文字符号是___。
A. FU
B. KM
C. KA
D. FR
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答案
D
解析
暂无解析
相关试题
【单选题】
26.中间继电器的电气文字符号是___。
A. FU
B. KM
C. KA
D. FR
【单选题】
27.双字母符号是由一个表示种类的单字母符号与一个表示功能的字母组成,如___表示断路器。
A. QA
B. QS
C. QF
D. QM
【单选题】
28.___是表现各种电气设备和线路安装与敷设的图纸。
A. 电气平面图
B. 电气系统图
C. 安装接线图
D. 电气原理图
【单选题】
29.以下关于顺序控制流程图描述正确的是___。
A. 系统工作的任意时刻只能有一个状态是活动的
B. 每个状态都必须有动作
C. 状态之间的有向线段必须有箭头
D. 系统从一个状态退出进入另一个状态必须满足转移条件
【单选题】
30.JMP n 这条指令中,n的取值范围是___。
A. 0-128;
B. 1-64;
C. 0-256;
D. 0-255;
【单选题】
31.顺序控制段开始指令的操作码是___。
A. SCR;
B. SCRP;
C. SCRE;
D. SCRT;
【单选题】
32.给出FOR指令的格式如右图所示。当EN条件允许时将FOR 与NEXT 指令之间的程序执行___次。
A. 20;
B. 1;
C. VW10;
D. 19;
【单选题】
33.ABB工业机器人的赋值指令是___。
A. =
B. :=
C. ;=
D. =:
【单选题】
34.以下偏移指令是___。
A. Abs
B. Off
C. Offs
D. PDispOff
【单选题】
35.调用例行程序指令是___。
A. Call
B. Goto
C. ProCall
D. Program
【单选题】
36.以下哪个是模拟输入信号判断指令___。
A. WaitDI
B. WatDO
C. WaitAI
D. WaitDO
【单选题】
37.以下哪个是重复执行判断指令___。
A. IF
B. WHILE
C. GOTO
D. FOR
【单选题】
38.以下哪个不属于生产类型___。
A. 超量生产
B. 大量生产
C. 单件生产
D. 成批生产
【单选题】
39.大批大量生产对工人技术要求___。
A. 高
B. 中
C. 低
D. 偏高
【单选题】
40.大批大量生产的成本___。
A. 高
B. 较低
C. 中等
D. 偏高
【单选题】
41.研制出第一台PLC的时间和公司是___。
A. 1958年,德国西门子公司
B. 1969年,美国数字设备公司
C. 1970年,ABB公司
D. 1957年,施耐德公司
【单选题】
42.PLC的工作方式是___。
A. 等待工作方式;
B. 中断工作方式;
C. 扫描工作方式;
D. 循环扫描工作方式;
【单选题】
43.当PLC输入点给一激励信号时,输入模块上对应指示灯发亮,则表示该点的___。
A. 现场连线接通
B. 现场连线断开
C. 现场连线故障
D. 现场连线短路
【单选题】
44.在输出扫描阶段,将___寄存器中的内容复制到输出接线端子上。
A. 输入映象;
B. 输出映象;
C. 变量存储器;
D. 内部存储器;
【单选题】
45.WORD数据格式的位数是___。
A. 1位
B. 8位
C. 16位
D. 32位
【单选题】
46.双字整数的加减法指令的操作数都采用___寻址方式。
A. 字;
B. 双字;
C. 字节;
D. 位;
【单选题】
47.若整数的乘/除法指令的执行结果是零则影响___位。
A. SM1.0;
B. SM1.1;
C. SM1.2;
D. SM1.3;
【单选题】
48.工业机器人控制系统主要包括___、机器人操作系统、机器人I/O等。
A. 机器人驱动系统
B. 机器人示教盒
C. 机器人控制柜
D. 机器人通信电缆
【单选题】
49.工业机器人控制系统主要包括机器人示教盒、___、机器人I/O等。
A. 机器人操作系统
B. 机器人驱动系统
C. 机器人控制柜
D. 机器人通信电缆
【单选题】
50.工业机器人控制系统主要包括机器人示教盒、机器人操作系统、___等。
A. 机器人驱动系统
B. 机器人通信电缆
C. 机器人控制柜
D. 机器人I/O
【单选题】
51.一般市场上应用较多的分类方法是按照机器人的结构和机器人的___来分类。
A. 控制方式
B. 自由度
C. 用途
D. 应用领域
【单选题】
52.一般市场上应用较多的分类方法是按照机器人的___和机器人的用途来分类。
A. 控制方式
B. 结构
C. 用途
D. 应用领域
【单选题】
53.目前市场上应用最多的为___ 轴机器人。
A. 3
B. 4
C. 5
D. 6
【单选题】
54.参数IP54表示工业机器人的___。
A. 到达距离
B. 重复定位精度
C. 防护等级
D. 承载能力
【单选题】
55.关于机器人程序指令,下面写法正确的是___。
A. WaitDI do1=1
B. WaitDO d01=1
C. Set do1=1
D. Reset do1
【单选题】
56.机器人程序1调用了机器人程序2,在调用期间如果要返回到程序1,需用的指令是___。
A. ProcCall
B. RETURN
C. GOTO
D. Label
【单选题】
57.机器人程序语句MoveAbsJ* ……中,数据*的类型是___。
A. robtarget
B. Wobjdata
C. jointtarget
D. num
【单选题】
58.机器人执行完程序语句MoveL offs(P10, 0,0,50)…… 后,工作点在P10的___方向。
A. X
B. Y
C. Z
D. 不确定
【单选题】
59.在示教器___窗口可以定义机器人I/O信号。
A. 程序编辑器
B. 手动操纵
C. 输入输出
D. 控制面板
【单选题】
60.如果让机器人安装完手机按键后等待1秒钟,正确的指令是___。
A. WaitTime 1000
B. WaitTime 100
C. WaitTime 10
D. WaitTime 1
【单选题】
61.下面的___项不属于工业机器人的特点。
A. 可编程
B. 专用性
C. 抗疲劳
D. 高精度
【单选题】
62.工业机器人可通过示教手动编程和___两种方式控制机器人按照预想的路径进行工作。
A. 离线计算机编程
B. 在线计算机编程
C. 离线PLC编程
D. 在线PLC编程
【单选题】
63.工业机器人可通过___和离线计算机编程两种方式控制机器人按照预想的路径进行工作。
A. 示教自动编程
B. 示教手动编程
C. 离线PLC编程
D. 在线PLC编程
【单选题】
64.设累加器AC2中的低四位存有十进制数3,现执行以下指令,则指令的执行结果VW40的内容是___。
A. 0008H;
B. 08H;
C. 03H;
D. 0003H;
【单选题】
65.高速计数器HSC0有___种工作方式。
A. 8种;
B. 1种;
C. 12种;
D. 9种;
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A. You do not have to.
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