Norac definition UPDATED ACTUAL Questions and CORRECT
Answers
1. Absolute Block A block that must not be occupied by more than one train.
2. Authorized Busi- A purpose directly related to the tasks that an employee is expected to perform
ness Purpose during the current tour of duty, as specified by the railroad in writing.
3. Automatic Block A block signal that is activated either by track circuit or in conjunction with inter-
Signal locking or controlled point circuit this block signal automatically indicates track
condition and block occupancy
4. Automatic Block A block signal system in which the use of each block is governed by an automatic
Signal System block signal, cab signal, or both.
(ABS)
5. block A length of track with defined limits on which train movements are governed by
block signals, cab signals, or form D.
6. Blue signal A clearly distinguishable blue flag, blue light or blue tag by day, or a blue light
or blue tag by night. When displayed, it signifies that workers are on, under or
between equipment.
7. Bulletin Order A publication used to notify employees of changes to rules, procedures, or other
(BO) instructions affecting the movement of trains. Bulletin Orders are issued periodi-
cally by the designated oflcer.
8. Control Station The Dispatcher's oflce or the location where the Operator is on duty, from which
remote control signal appliances or switches are operated.
9. Controlled Point a station designated in the the timetable where signals are remotely controlled
(CP) from the control station
10. Controlled Siding A circuited siding in which both ends are controlled and governed by signals under
(CS) the control of a Dispatcher or Operator.
11. Crossover
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Answers
1. Absolute Block A block that must not be occupied by more than one train.
2. Authorized Busi- A purpose directly related to the tasks that an employee is expected to perform
ness Purpose during the current tour of duty, as specified by the railroad in writing.
3. Automatic Block A block signal that is activated either by track circuit or in conjunction with inter-
Signal locking or controlled point circuit this block signal automatically indicates track
condition and block occupancy
4. Automatic Block A block signal system in which the use of each block is governed by an automatic
Signal System block signal, cab signal, or both.
(ABS)
5. block A length of track with defined limits on which train movements are governed by
block signals, cab signals, or form D.
6. Blue signal A clearly distinguishable blue flag, blue light or blue tag by day, or a blue light
or blue tag by night. When displayed, it signifies that workers are on, under or
between equipment.
7. Bulletin Order A publication used to notify employees of changes to rules, procedures, or other
(BO) instructions affecting the movement of trains. Bulletin Orders are issued periodi-
cally by the designated oflcer.
8. Control Station The Dispatcher's oflce or the location where the Operator is on duty, from which
remote control signal appliances or switches are operated.
9. Controlled Point a station designated in the the timetable where signals are remotely controlled
(CP) from the control station
10. Controlled Siding A circuited siding in which both ends are controlled and governed by signals under
(CS) the control of a Dispatcher or Operator.
11. Crossover
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