When semaphore and warner are installed on the same post, then the sto – McqOptions

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1.	When semaphore and warner are installed on the same post, then the stop indication is given when___________________?
A.	both arms are horizontal
B.	semaphore arm lowered but warner arm horizontal
C.	both semaphore and warner arms lowered
D.	none of the above
Answer» B. semaphore arm lowered but warner arm horizontal

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