【判断题】【消耗次数：1】
电气控制系统图分为：电气原理图、电气安装接线图和电气元件布置图三类。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
下列符合电气系统接线图的绘制原则的是（） 。①各电气元件均按实际安装位置绘出，电气元件的图形符号和文字符号必须与电气原理图一致，并符合国家标准。 ②各电气元件上凡是需接线的部件端子都应绘出，并予以编号，各接线端子的编号必须与电气原理图上的导线编号相一致。③不在同一控制柜、控制屏等控制单元上的电器零件之间的电气连接必须通过端子板进行，并标明去向。④在电气系统安装接线图中布线方向相同的导线用线束表示，连接导线应注明导线的规格(数量、截面积等)；若采用线管走线时，须留有一定数量的备用导线。还应注明线管的尺寸和材料。
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③④
②
以上都是
③
①
④
②
随机题目
【单选题】
4. When she entered the dark room, she ____ felt in danger.
①
politically
②
instinctively
③
objectively
④
mentally
【单选题】
7. With careful examination, they were convinced that the picture was______.
①
real
②
exact
③
true
④
genuine
【单选题】
6. They criticized people who had ______to the enemy.
①
loyal
②
disloyal
③
sold out
④
sold
【单选题】
24.There is no doubt ___the company has made the right decision on the sales project.
①
why
②
that
③
whether
④
when
【单选题】
9. The goal is to keep this land alive, to ______ animal population and keep it growing.
①
insist
②
keep
③
preserve
④
kill
【单选题】
12.To make him stay, the manager _______him a pay rise.
①
gave
②
declared
③
promised
④
assured
【单选题】
20. Sometimes we might see a person’s _____world from his behavior.
①
inside
②
inner
③
in
④
within