ARMY RAIL OPERATIONS PART 1

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There are four primary functions of rail transport operations for military and commercial railways

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· Train operation.

· Maintenance of way.

· Maintenance of equipment.

·Train Control

ALL OF THE ABOVE

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Military railroads operate on the same basic principles as commercial railroads. These principles are:

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· Locomotives pull railcars loaded with freight and passengers over miles of track.

· Train movements are controlled by schedule or signal communication.

· Some trains have superiority over others.

ALL OF THE ABOVE

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The two types of block operations used are positive and permissive

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TRUE

FALSE

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In this operation, the use of the block is limited to one train at a time. The train can stop if it is attacked or if the line is obstructed. It can also back up to the last station passed or to a safe place and wait until the track is secure before proceeding.This operation has definite security advantages, but the permissive operation is more efficient.

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POSITIVE BLOCK OPERATION

PERMISSIVE BLOCK OPERATION

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In this operation, more than one train is moving in the same direction. Therefore,the trains may occupy the same block at the same time.

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POSITIVE BLOCK OPERATION

PERMISSIVE BLOCK OPERATION

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The dispatcher issues train orders and controls movement. A train order remains in effect until it is fulfilled, superseded, or annulled

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TRUE

FALSE

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The timetable contains schedules and special instructions relating to train operation. It is also the authority for movement of trains

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TRUE

FALSE

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Automatic block signals and interlocking switches are maintained and used only if they exist.

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TRUE

FALSE

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The following are the three communication circuits provided for operations within each railway division.

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· Dispatcher’s circuit.

· Message circuit (station-to-station circuit).

· Teletypewriter circuit

ALL OF THE ABOVE

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he following have always been hazards of railway operations:

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· Human errors.

· Recklessness.

· Mechanical failures.

· Collisions.

ALL OF THE ABOVE

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Train operations are governed by current railway operating rules adapted from the Standard Code of Train Rules issued by the Association of American Railroads. These rules are modified to meet military railway requirements and are published in FM 55-21.

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TRUE

FALSE

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The main track is a track that extends through yards and between stations. The timetable, track warrant, train order, or block signals determine its operation. A main track consists of a single track or two or more tracks on which the current of traffic may run in either direction

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TRUE

FALSE

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When operating on a single track by the timetable method of train operation, the inferior trains must be in the siding 10 minutes before the scheduled arriving time of the opposing superior train unless otherwise directed by train order.

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TRUE

FALSE

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When a train dispatcher authorizes an extra train to run over a single-track rail line, he must make provisions for the new extra train to meet all opposing extra trains en route in the train order authorizing the new extra to run.

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TRUE

FALSE

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A double-track rail operation consists of two main tracks with the flow of traffic being in the direction specified in the special instructions of the timetable

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TRUE

FALSE

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The existence of a double-track rail line operated by timetable authority does not relieve the train dispatcher of the many details inherent in a single-track operation,since only first-class trains are normally listed in a timetable schedule

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TRUE

FALSE

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A siding is a track auxiliary to the main track. It is connected by switches at both ends and is used for the purpose of meeting and/or passing trains

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TRUE

FALSE

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NEVER use a siding as a loading and/or unloading point except for a serious interruption to traffic or in an extreme emergency

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TRUE

FALSE

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spur is a dead -end track auxiliary to the main track. It is connected to the main track at one end and is used to load and/or unload railway equipment. Spurs used as loading and unloading points must be easily accessible to adjacent roads or highways. When two locomotives "meet" face to face, the spur provides a place for one to get out of the way.

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TRUE

FALSE

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A branch line may be either a double- or single-track railway line connecting main lines

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True

False

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The equipment maintenance reports show the following:

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· Available motive power.

· Number of locomotives undergoing repairs.

· Estimated time when each will be ready for service

ALL OF THE ABOVE

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Car inspectors and maintenance personnel from a car repair platoon, transportation railway equipment maintenance company are stationed in the port area. They perform the following:

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· Inspect cars for mechanical defects.

· Make minor repairs (such as replacing air hoses or brake shoes).

· Repair door fastenings, brake rigging, couplers, and so forth

ALL OF THE ABOVE

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