When train approaches a station the signal turns green not red but after passing track circuit relay de energise because of the wheel causes short circuit in turn relay doesn't get current as a result, de energises.
@sk-rw4xt
11 ай бұрын
Trolly hatane se track circuit red kyu show karta hai Clear kyu nahi hota
@alokbiet93
4 жыл бұрын
Very nice
@Abhishekgce
4 жыл бұрын
Camera ko stable rakhiye sir
@deendayalmeena459
4 жыл бұрын
Nhi Aata pdana AAP ko
@rupam9423
3 жыл бұрын
Bhai pehle video tayyar kr k kisi jankar ko dikhao.....usse puccho k usko smjh aa rha h kya .....uske baad daalo video youtube pe ......kch smjh nh aaya
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