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BNSF PRACTICE EXAM #1
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BNSF PRACTICE EXAM #1
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BNSF PRACTICE EXAM #1ETD
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
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