GCOR COMPREHENSIVE EXAM 2025 QUESTIONS WITH
SOLUTIONS GUARANTEE A+
✔✔11. Who is responsible for the safety and protection of their train and the
observance of the rules? - ✔✔The conductor and engineer
✔✔12. What are the responsibilities of the conductor? - ✔✔To supervise the operation
and administration of the train, advise the engineer and train dispatcher of any
restrictions placed on equipment being handled, and also remind the engineer that the
train is approaching any restricted area after the train passes the last station, but at
least 2 miles from the restriction.
✔✔13. What are the responsibilities of the engineer? - ✔✔For safely and efficiently
operating the engine, and to check with the conductor to determine if any cars or units
in the train require special handling.
✔✔14. When there is more than one crewmember in the engine control compartment,
what must they communicate to each other? - ✔✔The names of signals affecting their
train
✔✔15. Which employees are responsible for knowing and not exceeding the maximum
authorize speed for the train? - ✔✔All crew members.
✔✔16. When may speed be increased when operating through a permanent speed
restriction? - ✔✔When the rear of the train clears the limits of the restrictions, unless
otherwise specified.
✔✔17. What is a "utility employee?" - ✔✔A railroad employee assigned as a temporary
member of a train or yard crew.
✔✔18. What is required before a utility employee may work as a member of the train
crew? - ✔✔1. He or she must communicate with the designated Crewmember before
starting work.
2. The designated crew member must identify the utility employee to each member of
the crew and everyone must acknowledge his or her presence.
3. The designated crew member must authorize the utility employee to work.
✔✔19. How can a utility employee be released from a yard or train crew? - ✔✔1. The
train utility employee must notify the designated crewmember that work has been
completed.
2. The designated employee must notify all crew that the utility employee is being
released.
3. The designated crewmember may then release the utility employee after each crew
member acknowledges the notice.
,✔✔20. What must an employee do before operating or transmitting on a radio? -
✔✔Listen long enough to make sure channel is not being used.
✔✔21. When on a train, what information must be given when transmitting or
acknowledging a radio communication? - ✔✔Required identification must be given,
including the name of the railroad, train number, and engine number.
✔✔22. What radio transmissions are not required to be repeated? - ✔✔1. Yard
switching operations
2. Recorded message from auto alarm device
3. A general message that doesn't affect safe railroad operation
✔✔23. When ending radio transmissions the key words "over", "out", and "roger" are to
be used, explain what each means. - ✔✔"Over": when a response is expected.
"Out": (preceded by required identification), when no response is expected. This does
not apply to your switching operations.
"Roger": transmission clearly understood.
✔✔24. With regards to communication, what must a controlling unit of any train be
equipped with? - ✔✔In operative radio, and must also have a second means of
communication, which may include:
1. Any operative radio on any unit in the consist
2. A portable radio
3. Other wireless communication device
✔✔25. If you do not understand a radio communication or the communication is
incomplete how must the communication be treated? - ✔✔As if it was never sent!
✔✔26. What's situations would require a radio transmission to begin with the words,
"Emergency, emergency, emergency?" - ✔✔1. An emergency brake application
2. Derailments
3. Collisions
4. Storms
5. Washouts
6. Fires
7. Track obstructions
8. Overrunning limits of authority
9. Overrunning stop indications
✔✔27. What information should be included in an "emergency" radio transmission? -
✔✔Warn all other trains by radio, stating train number, the exact location of the train,
and the status of the train. Repeat as necessary. Notify the train dispatcher or control
operator.
, ✔✔28. When is it permissible for a train crew to tell another train crew the indication of a
fixed wayside signal? - ✔✔Only if the information is needed to warn of emergency.
✔✔29. Who must have a written copy of a mandatory directive before it can be acted
upon? - ✔✔The conductor and engineer
✔✔30. What is the requirement of the assistant conductor in relation to mandatory
directives? - ✔✔He, and all other crewmembers on the train, must at least read and
understand it.
✔✔31. I transmit and repeat the following:
The number 2, the number 11, the number 8.2, the direction east - ✔✔T-W-O, one one,
eight dot two, east (E-A-S-T)
✔✔32. How are trains to be identified when transmitting over the radio? - ✔✔By railroad
initials and engine number
✔✔33. What are six different types of mandatory directives? - ✔✔Track warrants, track
bulletins, DTC authority, track and time, track permits, and radio speed restrictions.
✔✔34. When a mandatory directive has been made void or the employee has reported
clear of authorized limits, what should be done with them? - ✔✔Mark the directive void
and retain it for the entire continuous tour of duty.
✔✔35. What signaling equipment should you have with you when reporting for duty? -
✔✔Six fusees, a red flag, and a white light.
✔✔36. Day signals must be used between what times? - ✔✔Between sunrise and
sunset
✔✔37. Night signals must be used during what times? - ✔✔From sunset to sunrise and
when day signals cannot be seen clearly.
✔✔38. Who must know which moves will be made by radio? - ✔✔All crewmembers
✔✔39. When radio communications are used in shoving movements what must be
specified? - ✔✔The direction and distance; acknowledged when more than four cars.
Call out derails, crossings, switches, etc..
✔✔40. Your train encounters a fusee burning on your track at milepost 78. What must
you do and at what milepost may you resume maximum authorized speed? - ✔✔Stop
SOLUTIONS GUARANTEE A+
✔✔11. Who is responsible for the safety and protection of their train and the
observance of the rules? - ✔✔The conductor and engineer
✔✔12. What are the responsibilities of the conductor? - ✔✔To supervise the operation
and administration of the train, advise the engineer and train dispatcher of any
restrictions placed on equipment being handled, and also remind the engineer that the
train is approaching any restricted area after the train passes the last station, but at
least 2 miles from the restriction.
✔✔13. What are the responsibilities of the engineer? - ✔✔For safely and efficiently
operating the engine, and to check with the conductor to determine if any cars or units
in the train require special handling.
✔✔14. When there is more than one crewmember in the engine control compartment,
what must they communicate to each other? - ✔✔The names of signals affecting their
train
✔✔15. Which employees are responsible for knowing and not exceeding the maximum
authorize speed for the train? - ✔✔All crew members.
✔✔16. When may speed be increased when operating through a permanent speed
restriction? - ✔✔When the rear of the train clears the limits of the restrictions, unless
otherwise specified.
✔✔17. What is a "utility employee?" - ✔✔A railroad employee assigned as a temporary
member of a train or yard crew.
✔✔18. What is required before a utility employee may work as a member of the train
crew? - ✔✔1. He or she must communicate with the designated Crewmember before
starting work.
2. The designated crew member must identify the utility employee to each member of
the crew and everyone must acknowledge his or her presence.
3. The designated crew member must authorize the utility employee to work.
✔✔19. How can a utility employee be released from a yard or train crew? - ✔✔1. The
train utility employee must notify the designated crewmember that work has been
completed.
2. The designated employee must notify all crew that the utility employee is being
released.
3. The designated crewmember may then release the utility employee after each crew
member acknowledges the notice.
,✔✔20. What must an employee do before operating or transmitting on a radio? -
✔✔Listen long enough to make sure channel is not being used.
✔✔21. When on a train, what information must be given when transmitting or
acknowledging a radio communication? - ✔✔Required identification must be given,
including the name of the railroad, train number, and engine number.
✔✔22. What radio transmissions are not required to be repeated? - ✔✔1. Yard
switching operations
2. Recorded message from auto alarm device
3. A general message that doesn't affect safe railroad operation
✔✔23. When ending radio transmissions the key words "over", "out", and "roger" are to
be used, explain what each means. - ✔✔"Over": when a response is expected.
"Out": (preceded by required identification), when no response is expected. This does
not apply to your switching operations.
"Roger": transmission clearly understood.
✔✔24. With regards to communication, what must a controlling unit of any train be
equipped with? - ✔✔In operative radio, and must also have a second means of
communication, which may include:
1. Any operative radio on any unit in the consist
2. A portable radio
3. Other wireless communication device
✔✔25. If you do not understand a radio communication or the communication is
incomplete how must the communication be treated? - ✔✔As if it was never sent!
✔✔26. What's situations would require a radio transmission to begin with the words,
"Emergency, emergency, emergency?" - ✔✔1. An emergency brake application
2. Derailments
3. Collisions
4. Storms
5. Washouts
6. Fires
7. Track obstructions
8. Overrunning limits of authority
9. Overrunning stop indications
✔✔27. What information should be included in an "emergency" radio transmission? -
✔✔Warn all other trains by radio, stating train number, the exact location of the train,
and the status of the train. Repeat as necessary. Notify the train dispatcher or control
operator.
, ✔✔28. When is it permissible for a train crew to tell another train crew the indication of a
fixed wayside signal? - ✔✔Only if the information is needed to warn of emergency.
✔✔29. Who must have a written copy of a mandatory directive before it can be acted
upon? - ✔✔The conductor and engineer
✔✔30. What is the requirement of the assistant conductor in relation to mandatory
directives? - ✔✔He, and all other crewmembers on the train, must at least read and
understand it.
✔✔31. I transmit and repeat the following:
The number 2, the number 11, the number 8.2, the direction east - ✔✔T-W-O, one one,
eight dot two, east (E-A-S-T)
✔✔32. How are trains to be identified when transmitting over the radio? - ✔✔By railroad
initials and engine number
✔✔33. What are six different types of mandatory directives? - ✔✔Track warrants, track
bulletins, DTC authority, track and time, track permits, and radio speed restrictions.
✔✔34. When a mandatory directive has been made void or the employee has reported
clear of authorized limits, what should be done with them? - ✔✔Mark the directive void
and retain it for the entire continuous tour of duty.
✔✔35. What signaling equipment should you have with you when reporting for duty? -
✔✔Six fusees, a red flag, and a white light.
✔✔36. Day signals must be used between what times? - ✔✔Between sunrise and
sunset
✔✔37. Night signals must be used during what times? - ✔✔From sunset to sunrise and
when day signals cannot be seen clearly.
✔✔38. Who must know which moves will be made by radio? - ✔✔All crewmembers
✔✔39. When radio communications are used in shoving movements what must be
specified? - ✔✔The direction and distance; acknowledged when more than four cars.
Call out derails, crossings, switches, etc..
✔✔40. Your train encounters a fusee burning on your track at milepost 78. What must
you do and at what milepost may you resume maximum authorized speed? - ✔✔Stop
