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What is the block signal system called in which the use of each block is governed by an
automatic block signal, cab signal or both?
Automatic Block Signal System (ABS)
[NORAC p.1]
What is the term for an uncoupled engine (or engines) or the leading portion of a train that is
directed back toward the remaining stationary portion of the same train?
Return Movement
[NORAC p.6]
What type of signal is used to govern the approach to a home signal?
Distant Signal
[NORAC p.3]
,The signal that governs the entrance to an interlocking is called what?
Home Signal
[NORAC p.4]
What is the name of a track that is designated by timetable upon which movements are
authorized by ABS, DCS or interlocking rules?
Main Track
[NORAC p.5]
What publication is used to inform employees of information affecting the movement of
trains?
Bulletin Order (BO)
[NORAC p.1]
,What publication is used to summarize changes to the timetable and other instruction
manuals?
General Order (GO)
[NORAC p.4]
What publication is published periodically which contains instruction and information that
does not affect the movement of trains?
Division Notice (DN)
[NORAC p.3]
What is the Stop Release function?
An operation of the PTC system which allows equipment to be released from a positive
stop. [NORAC p.7]
, What is a Positive Train Control System (PTC)?
An electronic train control system which enforces Normal Speed, Temporary Speed
Restrictions, Stop Signals, or other conditions requiring a train stop. [NORAC p.6]
What is a Data Radio?
A radio used on PTC equipped trains and fixed sites to send and receive PTC data updates
and information. [NORAC p.2]
What is a Transponder?
A device mounted between the rails that transmits location specific information to trains
equipped with on board PTC apparatus.
[NORAC p.8]
What is the block signal system called in which the use of each block is governed by an
automatic block signal, cab signal or both?
Automatic Block Signal System (ABS)
[NORAC p.1]
What is the term for an uncoupled engine (or engines) or the leading portion of a train that is
directed back toward the remaining stationary portion of the same train?
Return Movement
[NORAC p.6]
What type of signal is used to govern the approach to a home signal?
Distant Signal
[NORAC p.3]
,The signal that governs the entrance to an interlocking is called what?
Home Signal
[NORAC p.4]
What is the name of a track that is designated by timetable upon which movements are
authorized by ABS, DCS or interlocking rules?
Main Track
[NORAC p.5]
What publication is used to inform employees of information affecting the movement of
trains?
Bulletin Order (BO)
[NORAC p.1]
,What publication is used to summarize changes to the timetable and other instruction
manuals?
General Order (GO)
[NORAC p.4]
What publication is published periodically which contains instruction and information that
does not affect the movement of trains?
Division Notice (DN)
[NORAC p.3]
What is the Stop Release function?
An operation of the PTC system which allows equipment to be released from a positive
stop. [NORAC p.7]
, What is a Positive Train Control System (PTC)?
An electronic train control system which enforces Normal Speed, Temporary Speed
Restrictions, Stop Signals, or other conditions requiring a train stop. [NORAC p.6]
What is a Data Radio?
A radio used on PTC equipped trains and fixed sites to send and receive PTC data updates
and information. [NORAC p.2]
What is a Transponder?
A device mounted between the rails that transmits location specific information to trains
equipped with on board PTC apparatus.
[NORAC p.8]
