GCOR Practice Test

Dual Control Switch
A power operated switch, movable point frog, or derail that can also be operated by hand.

Electric Switch Lock
An electrically controlled lock that restricts the use of a hand operated switch or derail.

Absolute Signal
A block or interlocking signal without a number plate or designated by an A marker.

Automatic Block System (ABS)
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.

Block
A length of track between consecutive block signals or between a block signal and the end of block system limits.

Centralized Traffic Control (CTC)
A block system that uses block signal indications to authorize train movements.

Control Operator
An employee assigned to operate a CTC or interlocking control machine or authorized to grant track permits.

Control Point
The location of absolute signals controlled by a central operator or a railroad identifiable point as defined in the Timetable.

Controlled Siding
A siding within CTC and Interlocking limits where a signal indication authorizes the siding’s use.

Controlled Signal
An absolute signal controlled by a control operator.

Controlled Track
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.

Crossover
A combination of two switches that connect two adjacent tracks.

Interlocking Signals
The fixed signals of an interlocking that govern trains using interlocking limits.

Loaded Bulk Commodity Train
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
A track extending through yards and between stations that must be occupied without authority or protection.

Non-Controlled Track
Track upon which trains are permitted by railroad rule or special instruction to move without recieving authorization from train dispatcher or control operator.

Off-Track Equipment
Machines that may be operated on the right of way foul of track.

Proceed Indication
Any block signal indication that allows a train to proceed without stopping.

Reverse Movement
A movement opposite the authorized direction.

Siding
A track connected to the main track and used for meeting or passing trains. Locations of sidings are shown int he Timetable.

Special Instructions
Instructions contained in the Timetable or other publications.

Station
A place designated by name in the Timetable station column.

Track Bulletin
A notice of coinditions affecting train movement. It may also authorize movement against the current of traffic where rule 9.14 (movement witht he Current of Traffic) is in effect.

Track Car
Any equipment which is designed to operate on the rail, other than a Locomotive or railroad car.

Track Warrant Control (TWC)
A method to authorize train movements or protect man or machines on a main track within specified limits in a territory designated by the timeline.

Train
One or more engines coupled, with or without cars, displaying a marker, and authorized to operate ont he main track.

Yard Limit
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
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
Name or initials of the railroad
Train name(number), enginenumber, or words that identify the precise mobile unit.

Ending Radio Transmissions – “Over”
When a response is expected

Ending Radio Transmissions – “OUT”
Preceded by required identification when NO RESPONSE is expected.

Watch or Clock
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
Supervise train movement and any employees connected with that movement.

Safety
Is the most important element in performing duties.

Obeying the rules
is essential to job safety and continued employment.

Safe Course
In case of doubt or uncertainty, take the safest course.

Personnal Injuries or Accidents
When passengers or employees are injured, do everything reasonable to care for them and complete form 68D.

General Orders
Are numbered consecutively.
Are issued and canceled by the designated manager.
Contain only information and instructions related to rules or operating practices.
Replace any rule, special instruction, or regulation that conflicts witht he general order.

Circulars Instructions and Notices
and other information are issued and canceled by the designated manager. Before beginning each day’s work or trip, trainmen, enginemen, and any others whose duties require, must
review those that apply to the territory they will work on

Rules Regulations and Instructions
Safety Rules. Employees must have a copy of, be familiar with, and comply with all safety rules issued in a
separate book or in another form.

General Code of Operating Rules
Employees governed by these rules must have a current copy they can refer to while on duty.

Hazardous Materials
Employees who in any way handle hazardous materials must have a copy of the instructions or regulations for handling these materials. Employees must be familiar with and comply with these instructions or regulations.

General Orders:
Before beginning each day’s work or trip, trainmen, enginemen, and any others whose duties require, must review general orders that apply to the territory they will work on.

Accident Statements
Information concerning accidents or personal injuries that occur to persons other than employees may be given only to an authorized representative of the railroad or an officer of the law

Reporting
All cases of personal injury, while on duty or on company property, must be immediately reported to the proper manager and the prescribed form completed.68D

Napping is permitted by train crews except crews in passenger commuter or yard service under the
The crew is waiting for departure of their train.
The train is stopped enroute waiting to be met or passed by a train, waiting for track work, waiting for helper locomotive, or similar conditions.
One crewmember must remain awake at all times.
The nap period must not exceed 45 minutes
The employee who is to remain awake must remain on the locomotive while others on the locomotive are napping, except when inspecting passing trains.

Rule 6.13
Yard Limits

Rule 6.14
Restricted Limits

Establish Working Limits
Working limits may be established within a train’s authority limits as follows:
DTC or TWC Territory
1. With a train having authority to move in either direction that is not joint.
or
2. With a train having authority to move in one direction only, working limits must not be
established:
• Behind the train.
• More than one block in advance of the train or beyond any location that a train or
engine could enter the track between the employee in charge of the working limits
and the train.

6.28 Restricted Speed
When required to move at restricted speed mvement must be made at a speed that allows stopping within half the range of vision short of:
Train
Engine
Railroad Car
Men or equipment fouling the track
Stop signal
or
Derail or switch lined improperly

When a train or engine is required to move at restricted speed, the crew must keep a lookout for broken rail and not exceed 20 MPH

Comply with these requirements until the leading wheels reach a point where movement at resrticted speed is no longer required.

Less Than Two Miles Ahead of Restricted Area
When the restricted area is close to a terminal, junction, or another area, employees will display the yellow-red flag less than 2 miles before the restricted area. This information will also be included in the track bulletin,track warrant, or general order.

During a freight car safety inspection, which picked up cars,you discover a car with a missing handhold. What should you do with this car?
Do NOT pick it up and make a proper report.

Which of the following conditions could not prevent a car from being placed in a train?
door seal missing

If a locomotive recalcilating valve is set at 90 PSI ,what pressure is required on rear car when marked a Class 111 air break test?
75 PSI

You have been instructed to pick up a blocked cars that have been sent out by a preceding train 5 hours earlier. These cars have not had any form of air supplies What type of air brake test is required?
Class 1 air break test

When performing a break test using the end-of-train device to determine if the breaks have applied or released, how much decrease or increase in the brake pipe pressure must be indicated?
5 PSI

What is required when conducting a Class 1A 1000 mile air brake test?
Change the train brake system to within 15 PSI of the regulating valvle setting, make a 20 pound brake pipe reduction, test brake pipe charge, verify that brakes apply on each car,verify that brake rigging is properly secure and does not bend or foul, verify 100% of the air brake are operative before proceeding.

What is required when adding cars not previously tested to your train?
Class 1 Air brake test- Initial Terminal Inspection

Derail
A track safety device that guides equipment OFF the rails at a SELECTED spot to prevent collisions.

Distant Signal
A fixed signal OUTSIDE a block system that governs the APPROACH to a block signal, interlocking signal, or swithc point indicator. A distant signal DOES NOT indicate conditions that affect track use between the distant signal and block or interlocking signals or between the distant signal and switch point indicator. A distant signal is identified by a D

Effective Securing (Locking ) Device
When used on a MANUALLY operated switch or derail means one which is vandal resistant, tamper resistant and designed to be applied, secured,uniquely tagged and removed only by the CLASS, craft or group of employees for whom the protection is being provided.

End of the Train Device -Two Way
Telemetry equipment that has the capability to initate an EMERGENCY application of the train air brake pipe system at the end of the train(Rear EOT device) using the emergency switch on the head-end device (Front EOT device)

End OS Sign
Sign marking the end of OS (onSwitch) circuit area for a power assisted switch. Fouling track between the ‘Begin OS’ and ‘End OS’ will cause power assisted switch not to operate on electrical power.

Equipped Flagger (Flagger)
An equipped flagger is a person other than a crewmember who is equipped with a colored vest, orange shirt, or orange jacket. At night, the vest, shirt, or jacket must be fluorescent. The flagger must have a red flag or stop paddle at day, and a light at night.

Flagman
Any employee providing flag protection.

Fouling a Track
When rolling equipment or on-track maintenance-of-way equipment is located that the end of the equipment is between the clearing point and the switch points leading to the track on which the equipment is stands.

Heavy Grade
Train with more than 4000 trailing tons or less:
A section of track with an average grade of two percent or greater over distance of two continuous miles.

Train with more than 4000 trailing tons:
A section of track with an average grade 1 percent or greater over a distance of three continuous miles.

Interlocking
Signal applicances that are interconnected so that each of their movements follows the other in a proper sequence. Interlockings may be operated manually or automatically.

Interlocking Limits
The tracks between outer opposing signals of a interlocking.

Absolute Block
A length of track that no train is permitted to neter while the track is occupied by another train.

Articulated
Permanently connectd multiple unit cars that share a common truck.

Block Register Territory(BRT)
A method of operation in non signaled territory where trains, men, and equipment are authorized to occupy the main tracks limits designated by the timetable.

Block Signal
A fixed signal at the entrance of a block that governs trains entering and using the block.

Block System
A block or series of consective blocks witin ABS, ACS, CTC or interlocking limits.

Clearnace Point
The location near a turnout beyond which it is unsafe for passage on a adjacent track(s). Where a person is permitted by railroad’s operating rules to ride the side of a car, a clearance point shall accommodate a person riding the side car.

Control Point Sign
A signed used to define a control point witin TWC limits.

Crossing at Grade
Crossing that intersects at the same level.

Intermodal Train
Trains consisting entirely of Intermodal equipment and/or automotive business.

Men or Equipment
A term referring to Engineering Department employees and their related equipment.

Power Assisted Switch -PAS
A switch identified as PAS can be controlled remotely by use of a DTMF keypad located on the engine TPass or the conductor/Brackman packset. this switch can also be controlled by a push button and hand pump located at the switch in the event of DTMF failure.

Quiet Zone
A segment of rail line, within which is situated one or a number of consective public highway-rail crossings at which the locomotive horns are not routinely sounded.

Signal Aspect
The appearance of a fixed or cab signal.

Signal Indication
The action required by the signal aspect.

Spring Switch
A switch with a spring mechanism that returns the switch points to the original position after they are trailed through.

Switch Point Indicator
A light type indicator used during movement over certain switches to show that switch points fit properly.

Timetable
A publication with instructions on train, engine, or equipment movement. It also contains other essential information.

Trackside Warning Detector
A device that indicates conditions such as overheated journals, dragging equipment, excess dimensions, shifted loads, high water, or slides.

Train Coordination
Working limits established by a roadway worker through the use of a train’s authority on a main track or other track where specific authority is required from a control operator or train dispatcher.

Variable Switch
A switch identified by a “V” or a bowl painted yellow. When trailed through, the switch points remain lined in the postion they were forced.

Working Limits
A segment of track within definate boundaries upon which trains, engines, and on track equipment may move only as permitted by the Roadway Worker (Employee in Charge) having control over that defined segment of track.

Yard
A system of tracks other tahn main tracks and sidings, used for making up train, storing cars, and other purposes.

Does the distant signal indicate conditions that affect the track use between the distant signal and the next interlocking or block signal?
No

If a train is delayed between a distant signal clear and the next block or interlocking signal, must the train proceed according to delayed within a block rule?
Yes

What does a “D” plate indicate on a signal mast?
The signal is a Distant Signal.

Interlocking signals govern the use of interlocking routes. Where a track is signaled beyond the interlocking limits in the direction of movement, that signal is also:
A Block Signal

May a train that is moving on signal indication that requires movement at restricted speed, comply with the next signals indication when it’s aspect can be clearly seen and the signal governs the track where movement is occuring or will be made?
No

The conductor and the engineer
Are responsible for the safety and protection of their train and observance of the rules.

When an employee reports clear of authority limits, or mandatory directive is made void by the train dispatcher.
Indicate “VOID” on mandatory directive form

Mandatory directives are written, printed, or displayed authorities or speed restrictions issued by the train dispatcher or control operator. Mandatory directives are:
Track warrants.
Track bulletins.
DTC authority.
Track and time.
Track permits.
Radio speed restrictions.

The employee requesting track authority must
Inform the train dispather otheir name, identification, exact location where the track will be entered or occupied and authority limits desired.

The employee will _________ the information, including total mumber of lines issued and the number of each line issued tot he train dispatcher.
Repeat

The track authority is not in effect until the “OK” time is shown on it and the dispatcher has acknowledged with
“That is correct”

Must track warrant instructions be followed where yard limits or restricted limits are effect?
Yes

When authorized by track warrant to proceed in one direction, what must a train do when it leaves the main track before reaching the last named point?
Notify the train dispatcher unless a crew member is left to prevent a following movement from passing.

Who must have a copy of the track warrant issued to their train?
Conductor & Engineer

When may a crew member of a train report clear limits or report having passed a specific location?
When both the conductor & engineer determine the train is complete.

If a track warrant is reproduced using a copy machine must it be repeated to the dispatcher to verify it’s accuracy?
No

What must a crew member do with the track warrant when the track warrant has been made void?
Write “VOID” across each copy of the track warrant

When will it be neccessary to verify track bulletins?
When outbound crew members recieve track bulletins from inbound crew members.
When relieving a Conductor & Engineer before a trip is finished.

Whomust have a copy of each track bulletin issued to their train?
Conductor & Engineer

If STOP is not written in the Stop column of the Form B track bulletin, may the train enter limits of Form B without instructions from the employee in charge?
No

Once instructions are received from the employee in charge, if the track route changesfrom previous instructions received what must the train crew do?
Contact Employee in Charge to determine that original instructions received valid on the new route before proceeding on new route.

SW
SWITCH

SWD
Southward

TOFC
Train On Flat Car

TRK
Track

TRN
Train

TWC
Track Warrant Control

W
West

WSS
West Siding Switch

WWD
Westward

XO
Crossover

YD
Yard

YL
Yard Limits

YM
Yardmaster

How should movements be made if the train is moving in the opposite direction from which the block was entered?
At restricted speed until the leading wheels have passed the next governing signal of the end of the block system.

When a signal requires movement at restricted speed and you’re leaving a block system, when can the train resume maximum speed?
For two miles or until leading wheels pass the opposing distant signal.

What should be done at a stop indication in CTC territory?
A crew member must immediately contact the control operator unless within track and time limits.

What should be done at a stop indication at manual interlockings?
A crew member must immediately contact the control operator.

What should be done at a stop indication at automatic interlockings?
Work the box. If the signal continues to display stop indication and there is no conflicting movement, the train must move at restricted speed.

What is the most important element in performing job duties?
Safety.

Who can issue or cancel a general order?
The designated manager.

What information is contained in general orders?
The information and instructions related to rules or operating practices.

What must the conductor remind the engineer of?
Limits of authority, track warrants, track bulletins, and radio speed restrictions.

When mobile and transmitting or acknowledging a radio communication, what identification is required?
Name or initials of railroad and train number, engine number, or words that identify the precise mobile unit.

What are examples of mandatory directives?
Track warrants, track bulletins, DTC authority, track and time, track permits, and radio speed restrictions.

If the person who is giving the signal to shove a train disappears, or the light being used disappears, what must employees do?
Stop movement, unless the employee on the leading car controls the air brakes.

True or false: Any object waived violently by any person on or near the track is a signal to stop.
True

What aspect is used to indicate a temporary speed restriction?
A yellow flag.

Yellow-red flags are used to indicate what?
That a train may be required to stop.

To indicate a restricted area, where must yellow flags be displayed?
Two miles ahead of the restricted area.

What must occur once the train reaches a restricted area indicated by a yellow flag?
Train can proceed at the speed specified by the track warrant, track bulletin, general orders, or radio speed restriction.

When operating within a restricted area, as indicated by a yellow flag, when can the train resume train speed?
When the rear of the train clears the restricted area.

Describe the CLEAR aspect.
Solid green or solid green over solid red.

APPROACH RESTRICTING aspect.
Solid yellow over lunar or solid yellow over lunar over solid red.

Describe the STOP aspect.
Solid red (without a number plate) or solid red over solid red (without a number plate).

Describe the DIVERGING APPROACH aspect.
Solid red over solid yellow or solid red over solid yellow over solid red.

APPROACH DIVERGING
Solid Yellow over green or Solid Yellow over Solid Yellow.

Describe the RESTRICTING aspect.
Flashing red or solid red over flashing red.

Describe the DIVERGING CLEAR aspect.
Solid red over solid green or solid red over solid green over solid red.

What is the indication of a CLEAR aspect?
Proceed.

What is the indication of a DIVERGING CLEAR aspect?
Proceed prepared to enter diverging route at prescribed speed through turnout.

What is the name and indication of the following signal aspect: Yellow over lunar?
APPROACH RESTRICTING — Proceed prepared to pass the next signal at restricted speed.

What is the indication of a DIVERGING APPROACH MEDIUM aspect?
Proceed on diverging route not exceeding prescribed speed through turnout prepared to pass next signal not exceeding 35 MPH.

What is the name and indication of the following signal aspect: Red over flashing yellow or red over flashing yellow over red?
DIVERGING APPROACH MEDIUM — Proceed on diverging route not exceeding prescribed speed through turnout prepared to pass next signal not exceeding 35 MPH.

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