UNION PACIFIC CONDUCTOR
PRACTICE EXAM
120 Multiple-Choice Questions with Answers & Rationales
1. What is the primary responsibility of a conductor regarding the movement of
their train?
A. To operate the locomotive throttle at all times
B. To have overall charge and responsibility for the train and its crew's compliance
with rules
C. To perform all mechanical repairs on the locomotive
D. To handle only paperwork after the trip is complete
Correct Answer: B
Rationale: The conductor is in charge of the train and is responsible for the train,
crew, and compliance with operating rules, even though the engineer physically
controls the locomotive.
2. Who has final authority over the safe movement of a train when the
conductor and engineer disagree on a safety matter?
A. The dispatcher, in every case
B. Whoever has more seniority
C. Safety takes precedence; either employee can stop or refuse movement if
unsafe
D. The engineer always overrules the conductor
Correct Answer: C
Rationale: Under railroad operating rules, any crew member who believes a
movement is unsafe has the authority and obligation to stop or refuse the
movement until the concern is resolved.
,3. What does GCOR stand for?
A. General Code of Operating Rules
B. Government Certified Operating Regulations
C. General Conductor Operating Report
D. Grade Crossing Operational Requirements
Correct Answer: A
Rationale: GCOR (General Code of Operating Rules) is a standardized rulebook
used by many U.S. railroads, including Union Pacific, to govern safe train
operations.
4. What is a 'timetable' in railroad operations?
A. A schedule listing only passenger train arrival times
B. A publication containing rules, special instructions, and information governing
operations on a subdivision
C. A conductor's personal daily planner
D. A document used only for payroll purposes
Correct Answer: B
Rationale: A timetable authorizes and governs train movements on a subdivision,
providing track information, speed restrictions, and special instructions specific to
that territory.
5. What is the purpose of a track warrant or track authority?
A. To grant an employee permission to occupy or use a specified section of track
B. To record a locomotive's fuel consumption
C. To document a crew member's vacation schedule
D. To assign parking for railroad vehicles
Correct Answer: A
Rationale: A track warrant (or equivalent authority) grants a crew explicit permission
to occupy specific track limits, helping prevent conflicting movements.
,6. Before a train crew can occupy main track under a track warrant, what must
be done?
A. Simply proceed once the warrant is requested
B. The warrant must be properly copied, repeated back, and confirmed correct by
the dispatcher before use
C. Only the engineer needs to hear the warrant
D. The warrant does not need confirmation if the crew is experienced
Correct Answer: B
Rationale: Track warrants must be copied accurately, read back to the dispatcher,
and confirmed correct before the crew acts on the authority, to prevent
miscommunication errors.
7. What is a 'red flag' or 'blue flag' rule primarily intended to protect?
A. The locomotive's exterior paint
B. Workers on, under, or between rail cars or equipment from unexpected
movement
C. The train's schedule adherence
D. Only equipment stored in the yard overnight
Correct Answer: B
Rationale: Blue flag/blue signal protection rules prevent equipment from being
moved while workers are on, under, or between cars, protecting them from being
struck or crushed.
8. Who is authorized to remove a blue flag/blue signal protecting workers on
equipment?
A. Any train crew member who needs to move the equipment
B. Only the employee (or their supervisor, per rule) who placed it, or as specifically
provided by rule
C. The train dispatcher remotely
D. Anyone standing nearby
Correct Answer: B
Rationale: Blue flag protection may only be removed by the employee who placed it
(or another authorized person per specific rule provisions), ensuring the protection
is not removed while a worker is still exposed.
, 9. What must a conductor do before a train departs the initial terminal?
A. Nothing beyond checking the schedule
B. Ensure a proper air brake test has been performed and the required
paperwork/waybills are in order
C. Only check the fuel level of the locomotive
D. Wait for verbal permission from any passing train
Correct Answer: B
Rationale: Before departure, a proper initial terminal air brake test must be
completed and the conductor must ensure documentation (consist, waybills) is
correct.
10. What is the purpose of an initial terminal air brake test?
A. To check the locomotive's radio functionality
B. To verify the train's air brake system is properly charged and each car's brakes
apply and release correctly
C. To measure the weight of the train
D. To confirm the crew's certification status
Correct Answer: B
Rationale: The initial terminal test confirms that air brakes throughout the train
charge, apply, and release properly before the train is allowed to depart, ensuring
reliable braking.
11. What does it mean when a train has an 'undesired emergency application' of
the air brakes?
A. The engineer intentionally applied emergency braking
B. The air brake system automatically went into emergency without deliberate
crew action, often due to a separation or malfunction
C. The dispatcher remotely applied the brakes
D. The train's speed exceeded the timetable limit
Correct Answer: B
Rationale: An undesired emergency application occurs unexpectedly, not from a
deliberate brake application by the crew, and often signals a train separation,
defective equipment, or other system issue requiring investigation.
PRACTICE EXAM
120 Multiple-Choice Questions with Answers & Rationales
1. What is the primary responsibility of a conductor regarding the movement of
their train?
A. To operate the locomotive throttle at all times
B. To have overall charge and responsibility for the train and its crew's compliance
with rules
C. To perform all mechanical repairs on the locomotive
D. To handle only paperwork after the trip is complete
Correct Answer: B
Rationale: The conductor is in charge of the train and is responsible for the train,
crew, and compliance with operating rules, even though the engineer physically
controls the locomotive.
2. Who has final authority over the safe movement of a train when the
conductor and engineer disagree on a safety matter?
A. The dispatcher, in every case
B. Whoever has more seniority
C. Safety takes precedence; either employee can stop or refuse movement if
unsafe
D. The engineer always overrules the conductor
Correct Answer: C
Rationale: Under railroad operating rules, any crew member who believes a
movement is unsafe has the authority and obligation to stop or refuse the
movement until the concern is resolved.
,3. What does GCOR stand for?
A. General Code of Operating Rules
B. Government Certified Operating Regulations
C. General Conductor Operating Report
D. Grade Crossing Operational Requirements
Correct Answer: A
Rationale: GCOR (General Code of Operating Rules) is a standardized rulebook
used by many U.S. railroads, including Union Pacific, to govern safe train
operations.
4. What is a 'timetable' in railroad operations?
A. A schedule listing only passenger train arrival times
B. A publication containing rules, special instructions, and information governing
operations on a subdivision
C. A conductor's personal daily planner
D. A document used only for payroll purposes
Correct Answer: B
Rationale: A timetable authorizes and governs train movements on a subdivision,
providing track information, speed restrictions, and special instructions specific to
that territory.
5. What is the purpose of a track warrant or track authority?
A. To grant an employee permission to occupy or use a specified section of track
B. To record a locomotive's fuel consumption
C. To document a crew member's vacation schedule
D. To assign parking for railroad vehicles
Correct Answer: A
Rationale: A track warrant (or equivalent authority) grants a crew explicit permission
to occupy specific track limits, helping prevent conflicting movements.
,6. Before a train crew can occupy main track under a track warrant, what must
be done?
A. Simply proceed once the warrant is requested
B. The warrant must be properly copied, repeated back, and confirmed correct by
the dispatcher before use
C. Only the engineer needs to hear the warrant
D. The warrant does not need confirmation if the crew is experienced
Correct Answer: B
Rationale: Track warrants must be copied accurately, read back to the dispatcher,
and confirmed correct before the crew acts on the authority, to prevent
miscommunication errors.
7. What is a 'red flag' or 'blue flag' rule primarily intended to protect?
A. The locomotive's exterior paint
B. Workers on, under, or between rail cars or equipment from unexpected
movement
C. The train's schedule adherence
D. Only equipment stored in the yard overnight
Correct Answer: B
Rationale: Blue flag/blue signal protection rules prevent equipment from being
moved while workers are on, under, or between cars, protecting them from being
struck or crushed.
8. Who is authorized to remove a blue flag/blue signal protecting workers on
equipment?
A. Any train crew member who needs to move the equipment
B. Only the employee (or their supervisor, per rule) who placed it, or as specifically
provided by rule
C. The train dispatcher remotely
D. Anyone standing nearby
Correct Answer: B
Rationale: Blue flag protection may only be removed by the employee who placed it
(or another authorized person per specific rule provisions), ensuring the protection
is not removed while a worker is still exposed.
, 9. What must a conductor do before a train departs the initial terminal?
A. Nothing beyond checking the schedule
B. Ensure a proper air brake test has been performed and the required
paperwork/waybills are in order
C. Only check the fuel level of the locomotive
D. Wait for verbal permission from any passing train
Correct Answer: B
Rationale: Before departure, a proper initial terminal air brake test must be
completed and the conductor must ensure documentation (consist, waybills) is
correct.
10. What is the purpose of an initial terminal air brake test?
A. To check the locomotive's radio functionality
B. To verify the train's air brake system is properly charged and each car's brakes
apply and release correctly
C. To measure the weight of the train
D. To confirm the crew's certification status
Correct Answer: B
Rationale: The initial terminal test confirms that air brakes throughout the train
charge, apply, and release properly before the train is allowed to depart, ensuring
reliable braking.
11. What does it mean when a train has an 'undesired emergency application' of
the air brakes?
A. The engineer intentionally applied emergency braking
B. The air brake system automatically went into emergency without deliberate
crew action, often due to a separation or malfunction
C. The dispatcher remotely applied the brakes
D. The train's speed exceeded the timetable limit
Correct Answer: B
Rationale: An undesired emergency application occurs unexpectedly, not from a
deliberate brake application by the crew, and often signals a train separation,
defective equipment, or other system issue requiring investigation.
