9.0 Basic Concepts in Railway Transportation.pdf

Question 1

It is a terrestrial mass transport system. Trains move on their own (diesel traction) or by remotely transmitted power (electrical traction) using steel wheels on a dedicated steel guideway defined by two parallel rails.

Answer 1

Railway

Question 2

• It describes the railway track and all the civil engineering structures and systems/premises that ensure the railway traffic.
• The railway track comprises, successively from top to bottom, the rails, the sleepers, the ballast, the sub-ballast, the formation layer, and the subgrade.

Answer 2

RAILWAY INFRASTRUCTURE

Question 3

The upper section of the track superstructure, which comprises the rails, the sleepers, the fastenings, and the rail pads, forms what could be commonly called

Answer 3

Track Panel

Question 4

The lower part of the track superstructure, which comprises the ballast and its sublayers, is called

Answer 4

trackbed layers

Question 5

The trackbed layers and the track subgrade, considered as a whole, are called

Answer 5

trackbed

Question 6

a segment of a railway track that does not have any junctions, crossovers, or points on it

Answer 6

‘Plain’ track (line)

Question 7

a segment of a railway track that does not have any tunnels, bridges, overpasses, high embankments, deep cuttings and stations/stops on it.

Answer 7

‘Open’ track

Question 8

is the term employed to describe all railway vehicles, both powered and hauled, used either as power, trailer or engineering vehicles.

Answer 8

Rolling stock

Question 9

Serve the sole purpose of hauling the trailer vehicles, and are then called

Answer 9

locomotives’ (or traction units)

Question 10

• Transport a number of passengers and are then called either ‘single railcars’ (they have a driver’s cab at one or both ends) or motor cars.
• To be used for shunting, hence they are called ‘shunting locomotives.’

Answer 10

POWER VEHICLES

Question 11

• Passenger vehicles (or cars or coaches) intended to transport passengers.
• Freight vehicles (or wagons) intended to transport goods (common or general use freight wagons).
• Specific-use freight wagons intended for the transportation of certain types of freight only.

Answer 11

TRAILER VEHICLES

Question 12

Basic parts of railway vehicle

Answer 12

• The car body (body shell)
• The bogies (trucks)
• The wheelsets (axle + 2 wheels)

Question 13

It describes all activities through which a railway company secures revenue service.

Answer 13

Railway operation