DART Rail Institute Definitions Practice Exam Questions and Answers
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Course
Railroad Operator
Institution
Railroad Operator
Absolute Block - Answer-is when no train is allowed to enter while another train is in the block.
B-Min-B-3 - Answer-Normal service breaking is?
Consist - Answer-is the specific makeup and identity of a train?
Aux. Lights - Answer-What are high intensity lights mounted on top of the LRV?
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DART Rail Institute Definitions Practice
Exam Questions and Answers
Absolute Block - Answer-is when no train is allowed to enter while another train is in the
block.
B-Min-B-3 - Answer-Normal service breaking is?
Consist - Answer-is the specific makeup and identity of a train?
Aux. Lights - Answer-What are high intensity lights mounted on top of the LRV?
Automatic Warning Devices - Answer-are warning devices that are automatically
activated, such as bells and flashers.
Audible and Visual - Answer-warning devices are horn, whistle, gong, and strobe
lighting and turn signal.
Coupler - Answer-device can be mechanically pneumatically and electrically connected.
Block - Answer-A _______is an area with define limits.
Emergency - Answer-breaking is irretrievable by the activation of the red mushroom
button.
B-Min - Answer-The lowest form of breaking on the master controller.
Modified Emergency - Answer-braking is irretrievable utilizing the ATP and TSS without
sand.
Manual - Answer-block is governed by the use of interlocking, person, station platform,
and controllers orders.
B-Max - Answer-What is the highest retrievable braking on the master controller?
Dwell - Answer-is when a train is stopped at a station for a period of time.
Block Indicator - Answer-are located in line of sight operations in SIGHT RESTRICTED
areas.
Pantograph - Answer-is a roof mounted device that collects 845 volts?
Crossover - Answer-Two connecting switches that provide a route from one track to
another. (Both directions: Entrance & Exit)
, Turnout - Answer-A track arrangement of a switch and frog with guard rails by means of
which trains may be diverted from one track to another. (ONLY Entrance or Exit)
Overhead Contact System (OCS) - Answer-The SYSTEM of OVERHEAD WIRES and
support structures which supplies ELECTRICAL POWER to trains.
Catenary - Answer-A system of overhead wires including the CONTACT wire, FEEDER
wires, MESSENGER wires, and HANGER which supplies power to the LRV via a
pantograph.
Messenger
Contact
Hanger - Answer-what are the three wires that make up the catenary and what does
each one?
Fouling Point - Answer-is the location on a track beyond which a train will interfere with
train movement on an adjacent track?
Guard Rail - Answer-is mounted to the running rail to keep wheels in line at
SWITCHES.
Flag - Answer-A device used for relaying signals indicating conditions on the right-of-
way.
Restraining Rail - Answer-is mounted to the running rail to keep wheel in AROUND
CURVES.
Flagging Protection - Answer-is flags, lights and/or personnel used by work crews for
protection while working on or about the track.
Hi-Rail Equipment - Answer-Tire mounted vehicles equipped with flanged steel wheels
that allow the vehicle to travel on tracks and roadways.
Green Band - Answer-are located in areas of green band operation.
Terminal Indicator - Answer-What is an indicator governing movement into and out of
end of the line stations?
Indication - Answer-is information conveyed by a signal.
Aspect - Answer-is a combination of colors and position of a fixed signal, cab signal
viewed by the operator.
Automatic Block Signal System (ABS)
Cab Signal Territory
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