Union Pacific GCOR Terms and Definitions with Complete Solutions

Union Pacific GCOR Terms and Definitions with Complete Solutions Automatic Block Signal System - Correct Answer A series of consecutive blocks governed by block signals, cab signals, or both. The signals are activated by a train or by certain conditions that affect the block use. Absolute Block - Correct Answer A length of track that no train is permitted to enter while the track is occupied by another train Absolute Signal - Correct Answer A block or interlocking signal without a number plate or designated by an A marker Adjacent Track - Correct Answer Parallel tracks that are not separated by a single lane roadway or similar distance; only applies if Track Breach Protection is required Articulated - Correct Answer Permanently connected multiple unit cars that share a common truck Automatic Train Control Actuator - Correct Answer An ATC brake applying apparatus Automatic Cab Signal System - Correct Answer A system that allows cab signals and the cab warning whistle to operate automatically Automatic Train Control - Correct Answer A system to enforce compliance with cabin signal indications. If the train exceeds a predetermined speed for a given cab signal indication and speed is not reduced at a sufficient rate, brakes are automatically applied. Automatic Train Stop Systems - Correct Answer A system activated by wayside inductors positioned to apply the brakes automatically until the train stops Block - Correct Answer A length of track: between consecutive block signals, between a block signal and the end of block system limits, or in automatic train control limits, the use of which is governed by cab signals and/or block signals Block Register Territory - Correct Answer A method of operation in non-signal territory where