單項(xiàng)選擇題調(diào)試測(cè)量發(fā)電機(jī)絕緣時(shí),要求單相對(duì)地.兩繞組間的絕緣電阻值大于().

A.5MΩ
B.50MΩ
C.500MΩ
D.2.2GΩ


您可能感興趣的試卷

你可能感興趣的試題

2.單項(xiàng)選擇題機(jī)組編號(hào)為1#下面哪個(gè)是它的Subnet Mask ().

A.192.168.151.1
B.192.168.150.1
C.255.255.252.0
D.192.168.151.1.1

3.單項(xiàng)選擇題如下關(guān)于右偏航限位觸發(fā)設(shè)定正確的是().

A.調(diào)節(jié)凸輪初始0°位置后使尼龍齒輪面正對(duì)人正視面,逆時(shí)針旋轉(zhuǎn)36圈,然后調(diào)節(jié)1#螺釘,使對(duì)應(yīng)的右偏凸輪頂點(diǎn)旋到觸點(diǎn)開(kāi)關(guān)并聽(tīng)到觸點(diǎn)動(dòng)作聲音時(shí)停止
B.調(diào)節(jié)凸輪初始0°位置后使尼龍齒輪面正對(duì)人正視面,順時(shí)針旋轉(zhuǎn)36圈,然后調(diào)節(jié)1#螺釘,使對(duì)應(yīng)的右偏凸輪頂點(diǎn)旋到觸點(diǎn)開(kāi)關(guān)并聽(tīng)到觸點(diǎn)動(dòng)作聲音時(shí)停止
C.調(diào)節(jié)凸輪初始0°位置后使尼龍齒輪面正對(duì)人正視面,逆時(shí)針旋轉(zhuǎn)36圈,然后調(diào)節(jié)2#螺釘,使對(duì)應(yīng)的右偏凸輪頂點(diǎn)旋到觸點(diǎn)開(kāi)關(guān)并聽(tīng)到觸點(diǎn)動(dòng)作聲音時(shí)停止
D.調(diào)節(jié)凸輪初始0°位置后使尼龍齒輪面正對(duì)人正視面,順時(shí)針旋轉(zhuǎn)36圈,然后調(diào)節(jié)2#螺釘,使對(duì)應(yīng)的右偏凸輪頂點(diǎn)旋到觸點(diǎn)開(kāi)關(guān)并聽(tīng)到觸點(diǎn)動(dòng)作聲音時(shí)停止

4.單項(xiàng)選擇題CE系統(tǒng)中修改系統(tǒng)時(shí)間時(shí),選擇的時(shí)區(qū)應(yīng)該是().

A.(GMT-12:00) International Date Line West
B.(GMT-07:00) Chihuahua,La Paz, Mazatlan
C.(GMT-03:00)Buenos Aires,Georgetown
D.(GMT+08:00)Beijing,Chongqing,Hong Kong SAR,Urumqi

5.單項(xiàng)選擇題變流預(yù)充電調(diào)試時(shí),1U1要在哪個(gè)菜單下輸入密碼().

A.P2.7.1
B.P2.7.2
C.P2.9.1
D.P2.9.2