ANSWERS GRADED TEST BANK 2026
UPDATED QUESTIONS WITH ANSWERS
GRADED A+
⩥ Absolute Block. Answer: A block established between block stations ,
block limit stations , interlockings or any combination thereof which
must not be occupied by more than one train except as provided by the
rules .
⩥ Automatic Block Signal System. Answer: A block signal system
wherein the use of each block is governed by an automatic block signal ,
the cab signal indicator or both
⩥ Block Signal System. Answer: A series of consecutive blocks.
⩥ Manual Block Signal System. Answer: A block signal system wherein
the use of each block is governed by block signals controlled manually,
by block-limit signals or both, upon information received by telephone,
radio or other means of communication.
⩥ Automatic Speed Control System (ASC). Answer: A system so
arranged that its operation will automatically result in the following: A
full service application of the train brakes if, while operating under a