BNSF PRACTICE EXAM #1
ETD
End-of-Train Telemetry Device
-Mounted on the end of a freight train.
-Indicates the end of the train and provides brake pipe pressure readings to the
crew in the cab.
-When armed to HTD, it provides capability in the cab to initiate an emergency
brake application from the rear of the train.
-Sometimes referred to as FRED or SBU
CROSSOVER
A track w/ switches @ both ends that connect 2 adjacent tracks.
-used primarily to move from one track to another.
DUAL CONTROL SWITCH
Power-operated switch, a moveable frog & a de-rail that can also be operated by
hand .
DOUBLE TRACK
2 MT where the current of traffic on one track is in a specified direction and the
current of traffic on the other track is in the opposite direction.
ABSOLUTE SIGNAL
A block or interlocking signal w/o a number plate.
1 may be designated by an "A" marker
,AUTOMATIC BLOCK SIGNAL SYSTEM
A series of consecutive blocks governed by block signals, cab signals, or both.
-signals are activated by a train or by certain conditions that affect the block use.
CTC
A block system that uses block signal indications to authorize train movements.
INTERLOCKING
An interlocking contains signals appliances that are interconnected so that each
of their movements follows the other in a proper sequence.
-may be operated manually or automatically
Rules Hierarchy: #1
Track Bulletin
Rules Hierarchy: #2
General Orders
Rules Hierarchy: #3
Timetable | SSI
Rules Hierarchy: #4
TDCOM | GCOR
,DEFINE: TRACK BULETINS
A notice containing restrictions and other conditions affecting train movement
DEFINE: GENERAL ORDERS
Information related to rules or operating practices
DEFINE: SSI
Explanation of characters placed in the timetable station column
When two or more engines are coupled, which one is the identifying unit?
(GCOR 5. 11)
Leading Unit
DEFINE TRACK BULLETIN: FORM A
Speed restrictions
DEFINE TRACK BULLETIN: FORM B
Protects men & equipment
DEFINE TRACK BULLETIN: FORM C
Used for other conditions on main tracks and sidings
, What would indicate this is the rear of the train? (GCOR 5.10)
Marker
When two sets of numbers are shown on permanent speed signs, what does the
greater number govern? (GCOR 5.5)
Trains consisting entirely of passenger equipment
A red flag will be displayed at locations where trains must stop. Who may provide
permission for the train to proceed before a stop is made? (GCOR 5.4.7)
Employee in charge
At night, if a train's head light and ditch lights fail to operate, what must be done?
(GCOR 5.9.3)
A white light must be used in their place, and the train dispatcher must be
notified.
When notified that cars, engines, or equipment are standing less than 250 feet
from a road crossing or crossing signal circuits, how must train dispatchers
protect this situation? (TDCOM 40.4.9)
Issue a Form C track bulletin stating "Stop and protect crossing at (MP) account
crossing cut short."
When a train is stopped by an emergency application of the brakes, what
information must be communicated to the train dispatcher by the crew? (TDCOM
40.25)
ETD
End-of-Train Telemetry Device
-Mounted on the end of a freight train.
-Indicates the end of the train and provides brake pipe pressure readings to the
crew in the cab.
-When armed to HTD, it provides capability in the cab to initiate an emergency
brake application from the rear of the train.
-Sometimes referred to as FRED or SBU
CROSSOVER
A track w/ switches @ both ends that connect 2 adjacent tracks.
-used primarily to move from one track to another.
DUAL CONTROL SWITCH
Power-operated switch, a moveable frog & a de-rail that can also be operated by
hand .
DOUBLE TRACK
2 MT where the current of traffic on one track is in a specified direction and the
current of traffic on the other track is in the opposite direction.
ABSOLUTE SIGNAL
A block or interlocking signal w/o a number plate.
1 may be designated by an "A" marker
,AUTOMATIC BLOCK SIGNAL SYSTEM
A series of consecutive blocks governed by block signals, cab signals, or both.
-signals are activated by a train or by certain conditions that affect the block use.
CTC
A block system that uses block signal indications to authorize train movements.
INTERLOCKING
An interlocking contains signals appliances that are interconnected so that each
of their movements follows the other in a proper sequence.
-may be operated manually or automatically
Rules Hierarchy: #1
Track Bulletin
Rules Hierarchy: #2
General Orders
Rules Hierarchy: #3
Timetable | SSI
Rules Hierarchy: #4
TDCOM | GCOR
,DEFINE: TRACK BULETINS
A notice containing restrictions and other conditions affecting train movement
DEFINE: GENERAL ORDERS
Information related to rules or operating practices
DEFINE: SSI
Explanation of characters placed in the timetable station column
When two or more engines are coupled, which one is the identifying unit?
(GCOR 5. 11)
Leading Unit
DEFINE TRACK BULLETIN: FORM A
Speed restrictions
DEFINE TRACK BULLETIN: FORM B
Protects men & equipment
DEFINE TRACK BULLETIN: FORM C
Used for other conditions on main tracks and sidings
, What would indicate this is the rear of the train? (GCOR 5.10)
Marker
When two sets of numbers are shown on permanent speed signs, what does the
greater number govern? (GCOR 5.5)
Trains consisting entirely of passenger equipment
A red flag will be displayed at locations where trains must stop. Who may provide
permission for the train to proceed before a stop is made? (GCOR 5.4.7)
Employee in charge
At night, if a train's head light and ditch lights fail to operate, what must be done?
(GCOR 5.9.3)
A white light must be used in their place, and the train dispatcher must be
notified.
When notified that cars, engines, or equipment are standing less than 250 feet
from a road crossing or crossing signal circuits, how must train dispatchers
protect this situation? (TDCOM 40.4.9)
Issue a Form C track bulletin stating "Stop and protect crossing at (MP) account
crossing cut short."
When a train is stopped by an emergency application of the brakes, what
information must be communicated to the train dispatcher by the crew? (TDCOM
40.25)
