GCOR EXAM QUESTIONS WITH 100%
VERIFIED CORRECT ANSWERS RATED A+ 2026
◉ Absolute Signal. Answer: A block or interlocking signal without a
number plate or designated by an A marker.
◉ Automatic Block System (ABS). Answer: A series of consecutive
blocks governed by block signals, cab signals, or both. The signals
are activated by a train or by certain conditions that affect the block
use.
◉ Centralized Traffic Control (CTC). Answer: A block system that
uses block signal indications to authorize train movements.
◉ Control Point. Answer: The location of absolute signals controlled
by a central operator or a railroad identifiable point as defined in the
Timetable.
◉ Controlled Siding. Answer: A siding within CTC and Interlocking
limits where a signal indication authorizes the siding's use.
◉ Controlled Signal. Answer: An absolute signal controlled by a
control operator.
,◉ Controlled Track. Answer: Track upon which the railroad's
operating rules require that all movements of trains must be
authorized by a train dispatcher or a control operator.
◉ Loaded Bulk Commodity Train. Answer: Loaded Unit Trains are
defined as a train of 50 or more loaded cars in a block, each
weighing 125 tons gross weight or more (bulk commodities), such
as coal, grain, soda ash, etc.
◉ Main Track. Answer: A track extending through yards and
between stations that must be occupied without authority or
protection.
◉ Non-Controlled Track. Answer: Track upon which trains are
permitted by railroad rule or special instruction to move without
recieving authorization from train dispatcher or control operator.
◉ Proceed Indication. Answer: Any block signal indication that
allows a train to proceed without stopping.
◉ Reverse Movement. Answer: A movement opposite the authorized
direction.
◉ Special Instructions. Answer: Instructions contained in the
Timetable or other publications.
,◉ Train. Answer: One or more engines coupled, with or without
cars, displaying a marker, and authorized to operate ont he main
track.
◉ Yard Limit. Answer: A portion of main track designated by yard
limit signs and time table special instructions or a track bulletin.
◉ Any employee operating a radio must do the following. Answer:
Before transmitting, listen long enough to make sure the channel is
not being used. Give the required identification. Not proceed with
further transmission until acknowledgement is received.
◉ For Mobile Units. Answer: Name or initials of the railroad
Train name(number), enginenumber, or words that identify the
precise mobile unit.
◉ Ending Radio Transmissions - "Over". Answer: When a response is
expected
◉ Ending Radio Transmissions - "OUT". Answer: Preceded by
required identification when NO RESPONSE is expected.
, ◉ Watch or Clock. Answer: MUST Be in good working condition and
reliable.
Display hours, minutes and seconds
Not vary from the correct time by more than 30 seconds
Be compared with the same time source designated in special
instructions.
◉ Train Dispatchers. Answer: Supervise train movement and any
employees connected with that movement.
◉ Safety. Answer: Is the most important element in performing
duties.
◉ Obeying the rules. Answer: is essential to job safety and continued
employment.
◉ Safe Course. Answer: In case of doubt or uncertainty, take the
safest course.
◉ Personnal Injuries or Accidents. Answer: When passengers or
employees are injured, do everything reasonable to care for them
and complete form 68D.
◉ General Orders. Answer: Are numbered consecutively.
VERIFIED CORRECT ANSWERS RATED A+ 2026
◉ Absolute Signal. Answer: A block or interlocking signal without a
number plate or designated by an A marker.
◉ Automatic Block System (ABS). Answer: A series of consecutive
blocks governed by block signals, cab signals, or both. The signals
are activated by a train or by certain conditions that affect the block
use.
◉ Centralized Traffic Control (CTC). Answer: A block system that
uses block signal indications to authorize train movements.
◉ Control Point. Answer: The location of absolute signals controlled
by a central operator or a railroad identifiable point as defined in the
Timetable.
◉ Controlled Siding. Answer: A siding within CTC and Interlocking
limits where a signal indication authorizes the siding's use.
◉ Controlled Signal. Answer: An absolute signal controlled by a
control operator.
,◉ Controlled Track. Answer: Track upon which the railroad's
operating rules require that all movements of trains must be
authorized by a train dispatcher or a control operator.
◉ Loaded Bulk Commodity Train. Answer: Loaded Unit Trains are
defined as a train of 50 or more loaded cars in a block, each
weighing 125 tons gross weight or more (bulk commodities), such
as coal, grain, soda ash, etc.
◉ Main Track. Answer: A track extending through yards and
between stations that must be occupied without authority or
protection.
◉ Non-Controlled Track. Answer: Track upon which trains are
permitted by railroad rule or special instruction to move without
recieving authorization from train dispatcher or control operator.
◉ Proceed Indication. Answer: Any block signal indication that
allows a train to proceed without stopping.
◉ Reverse Movement. Answer: A movement opposite the authorized
direction.
◉ Special Instructions. Answer: Instructions contained in the
Timetable or other publications.
,◉ Train. Answer: One or more engines coupled, with or without
cars, displaying a marker, and authorized to operate ont he main
track.
◉ Yard Limit. Answer: A portion of main track designated by yard
limit signs and time table special instructions or a track bulletin.
◉ Any employee operating a radio must do the following. Answer:
Before transmitting, listen long enough to make sure the channel is
not being used. Give the required identification. Not proceed with
further transmission until acknowledgement is received.
◉ For Mobile Units. Answer: Name or initials of the railroad
Train name(number), enginenumber, or words that identify the
precise mobile unit.
◉ Ending Radio Transmissions - "Over". Answer: When a response is
expected
◉ Ending Radio Transmissions - "OUT". Answer: Preceded by
required identification when NO RESPONSE is expected.
, ◉ Watch or Clock. Answer: MUST Be in good working condition and
reliable.
Display hours, minutes and seconds
Not vary from the correct time by more than 30 seconds
Be compared with the same time source designated in special
instructions.
◉ Train Dispatchers. Answer: Supervise train movement and any
employees connected with that movement.
◉ Safety. Answer: Is the most important element in performing
duties.
◉ Obeying the rules. Answer: is essential to job safety and continued
employment.
◉ Safe Course. Answer: In case of doubt or uncertainty, take the
safest course.
◉ Personnal Injuries or Accidents. Answer: When passengers or
employees are injured, do everything reasonable to care for them
and complete form 68D.
◉ General Orders. Answer: Are numbered consecutively.
