GCOR - General Code of Operating Rules Radio and Communication Procedures Questions and Answers

Question 1

A train crew hears the words "EMERGENCY, EMERGENCY, EMERGENCY" broadcast over the radio. According to GCOR, what is the required action for all other employees listening on that channel?

Accepted Answer

Give absolute priority to the communication and refrain from transmitting.

Answer

Acknowledge the transmission by saying "Roger Emergency."

Answer

Switch to a secondary channel to keep it clear for the emergency.

Answer

Continue with normal duties but monitor the radio for instructions.

Question 2

When a train dispatcher transmits a mandatory directive by radio, what is the first action the copying employee must take after the dispatcher has finished speaking?

Accepted Answer

Immediately repeat the directive back to the dispatcher word-for-word.

Answer

Acknowledge receipt by saying "Copy" or "Roger."

Answer

Write down the time and the dispatcher's name.

Answer

Ask the conductor to verify the contents of the directive.

Question 3

Which of the following is a prohibited radio transmission according to GCOR?

Accepted Answer

Transmitting unidentified, unnecessary, or profane language.

Answer

Using the radio to give hand signals when visibility is poor.

Answer

Informing another crew member about the aspect of an upcoming signal.

Answer

Reporting a defect found during a roll-by inspection.

Question 4

A conductor is initiating a non-emergency radio call to the dispatcher. What is the correct format for the initial transmission?

Accepted Answer

"(Railroad) Dispatcher from (Railroad) Train XYZ at MP 123, over."

Answer

"Dispatcher, this is train XYZ, over."

Answer

"Train XYZ to the dispatcher at Omaha, over."

Answer

"This is XYZ conductor, need to talk to the dispatcher, over."

Question 5

An engineer finishes a radio conversation with the dispatcher and no further response is expected. Which procedural word should the engineer use to end the final transmission?

Accepted Answer

Out

Answer

Roger

Answer

Over and Out

Answer

Over

Question 6

If an employee receives a radio communication that is incomplete or not understood, what action must be taken?

Accepted Answer

Treat the communication as if it was not sent and do not act upon it.

Answer

Act on the portion of the message that was clearly understood.

Answer

Ask another crew member for their interpretation of the message.

Answer

Wait five seconds and if there is no clarification, proceed as planned.