题目内容
(请给出正确答案)
[单选题]
0.5S级三相智能表,电压3×100V,电流3×1.5(6)A,常数为2000imp/kWh,按照JJG596-2012检定规程计算起动时限为()min。
A.13.86
B.24
C.138.57
D.240
答案
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A.13.86
B.24
C.138.57
D.240
第8题
A.0.2S
B.0.2
C.0.5
D.0.5S
第11题
A.0.5级,2.0级,0.2S级,0.2S级
B.0.5或0.5S级,2.0级,0.2级,0.2S级
C.0.5S级,2.0级,0.2级,0.2S级
D.0.5或0.5S级,2.0级,0.2S级,0.2S级