電工復審低壓電工復審單項選擇題每日一練(2019.07.30)

A.6
B.10
C.15
D.25

A.60%
B.80%
C.100%
D.110%

A.TT
B.TN-C
C.TN-C-S
D.TN-S

A.0.2~0.4
B.0.4~0.6
C.0.6~0.8
D.0.8~1

A.0.8~1
B.1~2
C.13-1.8
D.2