FREE GCOR Railroad Operations Questions and Answers

Question 1

A series of consecutive blocks governed by block signals where the signals are activated by a train or by certain conditions that affect the block. This system is called:

Accepted Answer

Automatic block signal system (ABS)

Answer

Centralized traffic control (CTC)

Answer

Track warrant control (TWC)

Answer

Absolute block signal system (ABSS)

Question 2

A remotely controlled block system that uses block signal indications to authorize train movements is:

Accepted Answer

Centralized traffic control (CTC)

Answer

Automatic block signal system (ABS)

Answer

Manual block (MB)

Answer

Track warrant control (TWC)

Question 3

Who is the employee assigned to operate a CTC or interlocking control machine?

Accepted Answer

Control Operator

Answer

Controller

Answer

Conductor

Answer

Clerk Operator

Question 4

The location of absolute signals controlled by a control operator is a:

Accepted Answer

Control point

Answer

Control Operator

Answer

Control location

Answer

Control approach

Question 5

Crossings that intersect at the same level are called:

Accepted Answer

Crossings at grade

Answer

Level crossings

Answer

Overhead crossings

Answer

Bridge crossings

Question 6

What is a crossover?

Accepted Answer

A combination of two switches that connect two adjacent tracks

Answer

A track connection between two adjacent sidings

Answer

A combination of two switches that connect two adjacent trains

Answer

A track connection between two or more adjacent dual control switches

Question 7

What is a dual-control switch?

Accepted Answer

A power-operated switch, moveable point frog, or derail that can also be operated by hand

Answer

Electric switch

Answer

A hand-operated switch that has dual levers

Answer

Two switches controlling the same track

Question 8

An electrically controlled lock that restricts the use of a hand-operated switch or derail is a:

Accepted Answer

Electric switch lock

Answer

Dual control switch

Answer

Manual lock

Answer

Signal lock

Question 9

What are signal appliances that are interconnected so that each of their movements follows the other in a proper sequence?

Accepted Answer

Interlocking

Answer

Automatic block signal system

Answer

Centralized traffic control

Answer

Track warrant signals

Question 10

What is a main track?

Accepted Answer

A track extending through yards and between stations that must not be occupied without authority or protection

Answer

A track extending through yards and between stations that can be occupied anytime without authority.

Answer

A length of track between absolute signals

Answer

A length of track between two distant signals.

A series of consecutive blocks governed by block signals where the signals are activated by a train or by certain conditions that affect the block.This system is called:

A series of consecutive blocks governed by block signals where the signals are activated by a train or by certain conditions that affect the block.
This system is called: