Colour of the semaphore repeating signal is ________. A. Red B. White C. Yellow D. Green

The correct answer is: B. White

A semaphore repeating signal is a type of railway signal that uses a white light to indicate that the track is clear for trains to proceed. The light is typically mounted on a post or gantry and is visible from both directions.

The other options are incorrect because they are not the colors of semaphore repeating signals. Red is the color of a stop signal, yellow is the color of a caution signal, and green is the color of a go signal.

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