Exam (elaborations)
BNSF PRACTICE EXAM #1 QUESTIONS AND ANSWERS
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BNSF PRACTICE EXAM #1 QUESTIONS AND ANSWERS
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BNSF PRACTICE EXAM #1 QUESTIONSAND ANSWERS
ETD - Answers -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 - Answers -A track w/ switches @ both ends that connect 2 adjacent
tracks.
-used primarily to move from one track to another.
DUAL CONTROL SWITCH - Answers -Power-operated switch, a moveable frog & a de-
rail that can also be operated by hand .
DOUBLE TRACK - Answers -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 - Answers -A block or interlocking signal w/o a number plate.
1 may be designated by an "A" marker
AUTOMATIC BLOCK SIGNAL SYSTEM - Answers -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 - Answers -A block system that uses block signal indications to authorize train
movements.
INTERLOCKING - Answers -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 - Answers -Track Bulletin
Rules Hierarchy: #2 - Answers -General Orders
Rules Hierarchy: #3 - Answers -Timetable | SSI
, Rules Hierarchy: #4 - Answers -TDCOM | GCOR
DEFINE: TRACK BULETINS - Answers -A notice containing restrictions and other
conditions affecting train movement
DEFINE: GENERAL ORDERS - Answers -Information related to rules or operating
practices
DEFINE: SSI - Answers -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)
- Answers -Leading Unit
DEFINE TRACK BULLETIN: FORM A - Answers -Speed restrictions
DEFINE TRACK BULLETIN: FORM B - Answers -Protects men & equipment
DEFINE TRACK BULLETIN: FORM C - Answers -Used for other conditions on main
tracks and sidings
What would indicate this is the rear of the train? (GCOR 5.10) - Answers -Marker
When two sets of numbers are shown on permanent speed signs, what does the
greater number govern? (GCOR 5.5) - Answers -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) - Answers -
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) - Answers -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) - Answers -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) - Answers -
Both the milepost number where the emergency brake application occurred and a brief
report of who/what caused the emergency application
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