same direction with same speed of the train. What are the
changes occur in signal before and after crossing the
train? Explain and justify with proper diagram
Illuminate and justify the effects occur on the radio
signal if the van enters into forest which is right side of
the railway track in spite of moving to same direction
after crossing
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sorry but I don't understand the question
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signalling.
A railway signal is a visual display device that conveys instructions or provides advance warning of instructions regarding the driver’s authority to proceed.[1] The driver interprets the signal's indication and acts accordingly. Typically, a signal might inform the driver of the speed at which the train may safely proceed or it may instruct the driver to stop.
German semaphore signals
Semaphore signals (Germany)
British colour-light signals
Colour-light signals
(Great Britain)
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