Which one of the following signal system in Railway signals does not fall under the classification of signals according to their functional characteristics?
A. Stop or semaphore type of signals
B. Hand signals
C. Warner signals
D. Shunting signals
Answer:B
Which one of the following signal system in Railway signals does not fall under the classification of signals according to their functional characteristics?
A. Stop or semaphore type of signals B. Hand signals C. Warner signals D. Shunting signals