Exam (elaborations)
LIRR study guide Questions and Answers 2024
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Exam of 6 pages for the course LIRR at LIRR (LIRR study guide)
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LIRR study guideBlock - answer A length of track of defined limits, the use of which is governed by block
signals, block-limit signals, automatic speed control of any combination thereof.
Absolute Block - answer A block established between block stations, block limit stations,
interlockings or any combination thereof which must not be occupied by more than one
train except as provided by the rules.
Automatic Block Signal System - answer A block signal system wherein the use of each
block is governed by an automatic block signal, the cab signal indicator or both.
Block Signal System - answer A series of consecutive blocks.
Manual Block Signal System - answer A block signal system wherein the use of each
block is governed by block signals controlled manually, by block-limit signals or both,
upon information received by telephone, radio or other means of communication.
Automatic Speed Control System (ASC) - answer A system so arranged that its
operation will automatically result in the following: A full service application of the train
brakes if, while operating under a speed restriction, the speed of the train exceeds the
predetermined rate. The application will continue until the train is either brought to a
stop or, under the control of the engineer, its speed is reduced to the predetermined
rate.
Speed Controlled Train - answerA train equipped with the following speed control
apparatus, a cab signal indicator, a sealed application valve or switch, audible warning
device and acknowledging switch, in operative condition for the direction in which it is to
move.
Engine - answerA unit propelled by any form of energy or a combination of units
operated from a single control, used in road or yard service.
Multiple Unit Equipment - answerEquipment capable of being propelled by electrical
energy through the use of third rail contact shoes.
Track Car - answerA roadway maintenance machine, not classified as an engine, which
is operated on track for inspection or maintenance. It may not shunt track circuits or
operate signals and will be governed by rules and special instructions for trains other
than passenger trains.
, Interlocking - answerAn arrangement of signals and signal appliances so interconnected
that their movements must succeed each other in proper sequence and for which
interlocking rules are in effect.
Interlocking Limits - answerThe track between the extreme opposing home signals of an
interlocking.
Pilot - answerAn employee assigned to a train or track car when the engineer,
conductor or track car driver is not qualified on the physical characteristics or rules of
the railroad or portion of the railroad over which the moment is to be made.
Aspect - answerThe appearance of a fixed signal which conveys and indication as
viewed from the direction of an approaching train; the appearance of the cab signal
indicator as viewed in the engine control compartment.
Block-Limit Signal - answerA fixed signal indicating the limit of the block, the use of
which is governed by manual block signal system rules.
Block Signal - answerA fixed signal or a hand signal in the absence of a fixed signal, at
the entrance to a block that governs trains using that block.
Cab Signal Indicator - answerA signal indicator located in the engine control
compartment displaying the maximum speed for the movement of the train. It will be
used in conjunction with interlocking signals and either in conjunction with or in lieu of
block signals.
Distant Signal - answerA fixed signal used to govern the approach to a home signal.
Fixed Signal - answerA signal of a fixed location indicating a condition which effects the
movement of the train.
Home Signal - answerA fixed signal that displays Stop Signal as it's most restrictive
aspect and governs the entrance to a route or block.
Indication - answerThe information conveyed by the aspect of a signal.
Interlocking signals - answerThe fixed signals of an interlocking.
Marker - answerA highly visible marking device in the red-orange-amber color range,
affixed to the rear of the train to indicate that the train is complete.
Foul Time - answerA method of establishing working limits on a main track, secondary
track or siding in which a roadway worker is notified by the Train Dispatcher through the
Block Operator that no trains will operate within the working limits established on the
track until the roadway worker reports clear of the track.
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