單項(xiàng)選擇題討論電動(dòng)雨刮故障:雨刮開(kāi)關(guān)在off位置,雨刮電機(jī)馬上停止,甲認(rèn)為,雨刮開(kāi)關(guān)動(dòng)作正常,乙認(rèn)為雨刮復(fù)位開(kāi)關(guān)或線(xiàn)路或雨刮開(kāi)關(guān)有故障。你認(rèn)為()
A.甲對(duì)
B.乙對(duì)
C.甲乙都對(duì)
D.甲乙都不對(duì)
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1.單項(xiàng)選擇題轉(zhuǎn)向信號(hào)燈故障診斷:閉合應(yīng)急燈開(kāi)關(guān)時(shí),全車(chē)信號(hào)燈正常,左右打轉(zhuǎn)向燈開(kāi)關(guān)時(shí),左右燈信號(hào)都不亮。甲認(rèn)為,轉(zhuǎn)向燈電源電路及開(kāi)關(guān)故障,乙認(rèn)為閃光器到轉(zhuǎn)向燈開(kāi)關(guān)電路故障,你認(rèn)為()
A.甲對(duì)
B.乙對(duì)
C.甲乙都對(duì)
D.甲乙都不對(duì)
2.單項(xiàng)選擇題燈泡使用不當(dāng)?shù)恼f(shuō)法()
A.燈泡接觸不良易燒
B.導(dǎo)線(xiàn)過(guò)大易燒
C.燈泡功率過(guò)小易燒
D.電壓過(guò)高易燒
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