block indicator वाक्य
उदाहरण वाक्य
मोबाइल
- His lower indicator on the block indicator to A repeats the position of the commutator.
- The switch-hook would both mechanically prevent the plunger being depressed, and electrically prevent the block indicator at Pouparts Junction from showing " Line Clear ".
- This caused the block indicator at Pouparts Junction to return to " Line Clear ", as it was not being held on by the switch-hook circuit.
- When the train has reached C, the signalman there sends " Train Out Of Section " on the block bell and when B acknowledges it, C places the block indicator to " Normal ".
- Let us consider the process of signalling a train in the up direction ( from A to C ) past a signal box B . The signal box in rear is A and the signal box in advance is C . The block indicators at B are in the Normal position.
- B immediately offers the train on to C by sending the " Is Line Clear ? " bell signal; if C accepts it he repeats the bell signal and places his block indicator to " Line Clear ", which moves the position of the upper needle indicator in B's block instrument to repeat that indication.
- As the train passes, he restores his signals to danger, and when the whole of the train passes B complete with tail lamp attached, B sends the " Train Out Of Section " bell signal ( 2-1 ) to A and when A acknowledges it, he places his block indicator to " Normal ".
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