WMATA Rail Systems 4

Question 1

Continuous welded rail is preferred over jointed rail mainly because it:

Accepted Answer

Provides a smoother, quieter ride with less maintenance

Answer

Costs less to install

Answer

Conducts more electricity

Answer

Is easier to remove

Question 2

During single-tracking operations, trains share one track by:

Accepted Answer

Taking turns in each direction under strict control

Answer

Running side by side

Answer

Stopping all service

Answer

Using the third rail as a track

Question 3

Wheel flanges on a rail vehicle primarily serve to:

Accepted Answer

Keep the wheels guided on the rails

Answer

Generate electricity

Answer

Brake the train

Answer

Reduce noise only

Question 4

If a fire or smoke condition occurs in a tunnel, the ventilation fans are typically used to:

Accepted Answer

Direct smoke away from the evacuation path

Answer

Cool the third rail

Answer

Speed up the trains

Answer

Charge backup batteries

Question 5

A 'consist' in rail terminology refers to:

Accepted Answer

The makeup of cars forming a train

Answer

The schedule of a line

Answer

A type of signal

Answer

The fare structure

Question 6

Lockout/tagout procedures on rail equipment are intended to:

Accepted Answer

Prevent accidental energization during maintenance

Answer

Speed up boarding

Answer

Track ridership

Answer

Test the brakes

Question 7

When two trains must pass on a double-track line, they normally:

Accepted Answer

Use separate tracks, one per direction

Answer

Couple together

Answer

Stop and wait at a junction

Answer

Switch operators