駝峰信號工駝峰信號工(中級)單項選擇題每日一練(2019.01.14)

A.162mm
B.163mm
C.164mm
D.165mm

A.DC5V
B.DC5V±0.15V
C.DC5V±0.2V
D.DC5V±0.25V

A.F1
B.F3
C.F8
D.F10

A.綠
B.紅
C.藍
D.黃

A.60mm+5mm
B.62mm+4mm
C.63mm+4mm
D.63mm+5mm