大学职业资格刷题搜题APP
创建自己的小题库
搜索
【多选题】
直流柜双边联跳保护其功能是通过()来实现的。
A.
联跳电缆
B.
联跳继电器
C.
接地开关
D.
断路器
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈
收藏
举报
参考答案：
举一反三
【单选题】直流柜内底部应装有不小于100mm2的接地铜排，并采用截面积不小于（）铜缆引至接地网可靠接地。
A.
10mm 2
B.
30mm 2
C.
50mm 2
D.
100mm 2
【单选题】有如下事件过程：Private Sub Form_Load() Show Dim Arr() As Variant Arr = Array(1, 3, 5, 7, 9, 11, 13, 15) Call converse(Arr) For i = 0 To 7 Print arr(i); Next iEnd Sub 以上程序的功能是，通过调用Converse过程，将数组Arr中的元素逆序存放并输出...
A.
Private Sub converse(dim a() as Variant ) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
B.
Private Sub converse(dim a() as Variant) Dim T Dim J As Integer J = (LBound(A) + UBound(A)) / 2 For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
C.
Private Sub converse(a() As Variant) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
D.
Private Sub converse(a() As Variant) Dim T Dim J As Integer J = Int((LBound(A) + UBound(A)) / 2) For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
【多选题】根据《国家电网公司变电验收管理规定(试行)》规定，直流柜体结构出厂验收要求，下列说法正确的是()
A.
直流柜采用柜式结构
B.
直流柜正面操作设备的布置高度不应超过1800mm，距地高度不应低于400mm
C.
直流柜门应开闭灵活，开启角应不小于90o，门锁可靠。门与柜体之间应采用截面不小于4平方毫米的多股软铜线可靠连接
D.
直流柜内的继电器应能在设备正常操作时不因振动误动作
E.
直流柜内回路与回路之间应有隔板，以防止事故的扩大F.屏内端子连接应牢固可靠，应能满足长期通过额定电流要求
相关题目：
【单选题】直流柜内底部应装有不小于100mm2的接地铜排，并采用截面积不小于（）铜缆引至接地网可靠接地。
A.
10mm 2
B.
30mm 2
C.
50mm 2
D.
100mm 2
【单选题】有如下事件过程：Private Sub Form_Load() Show Dim Arr() As Variant Arr = Array(1, 3, 5, 7, 9, 11, 13, 15) Call converse(Arr) For i = 0 To 7 Print arr(i); Next iEnd Sub 以上程序的功能是，通过调用Converse过程，将数组Arr中的元素逆序存放并输出...
A.
Private Sub converse(dim a() as Variant ) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
B.
Private Sub converse(dim a() as Variant) Dim T Dim J As Integer J = (LBound(A) + UBound(A)) / 2 For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
C.
Private Sub converse(a() As Variant) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
D.
Private Sub converse(a() As Variant) Dim T Dim J As Integer J = Int((LBound(A) + UBound(A)) / 2) For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
【多选题】根据《国家电网公司变电验收管理规定(试行)》规定，直流柜体结构出厂验收要求，下列说法正确的是()
A.
直流柜采用柜式结构
B.
直流柜正面操作设备的布置高度不应超过1800mm，距地高度不应低于400mm
C.
直流柜门应开闭灵活，开启角应不小于90o，门锁可靠。门与柜体之间应采用截面不小于4平方毫米的多股软铜线可靠连接
D.
直流柜内的继电器应能在设备正常操作时不因振动误动作
E.
直流柜内回路与回路之间应有隔板，以防止事故的扩大F.屏内端子连接应牢固可靠，应能满足长期通过额定电流要求
参考解析：
题目纠错 0
发布
