軌道電路作業(yè)指導(dǎo)多項選擇題每日一練(2019.09.17)

A.ZPW.PT-1700
B.ZPW.PT-2000
C.ZPW.PT-2300
D.ZPW.PT-2600

A.道岔岔后極性絕緣破損
B.道岔安裝裝置角鋼絕緣雙破損
C.軌端絕緣雙破損
D.岔后跳線接觸軌底

A.ZPW.XKJD-1700
B.ZPW.XKJD-2000
C.ZPW.XKJD-2300
D.ZPW.XKJD-2600

A.7.5km
B.10km
C.12.5km
D.15km

A.箱盒、調(diào)諧區(qū)禁停牌等軌旁設(shè)備固定
B.鋼包銅線、引接線及輔助線等作用良好
C.補(bǔ)償電容固定
D.軌道電路無外界短路可能