断路器出厂验收,罐式断路器可在耐压过程中进行局部放电检测工作。()倍额定相电压下局放量应满足设备厂家技术要求,但不大于5pC。
A. 1.0
B. 1.1
C. 1.2
D. 1.3
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A dirty lube oil strainer can result in()
A. crankcase
B. low lube oil temperature
C. excessive oil consumption
D. low bearing oil pressure
圆形泡沫堵盘的直径大约比管道内径大()
A. 10mm
B. 9mm
C. 8mm
D. 5mm