GCOR - General Code of Operating Rules Securing Unattended Equipment Questions and Answers

Question 1

A crew must leave a cut of 20 cars unattended on a track with a slight grade. According to GCOR 7.6, which of the following is the most critical and required action?

Accepted Answer

Apply a sufficient number of hand brakes and then release the air brakes to verify the equipment is secure.

Answer

Apply the hand brake on the first and last car only.

Answer

Leave the automatic air brakes fully applied and depart.

Answer

Chock the wheels of the lead car and notify the dispatcher.

Question 2

When determining a 'sufficient' number of hand brakes to apply on unattended equipment, which of the following set of factors must be considered?

Accepted Answer

The track grade, weather conditions, and tonnage of the cars.

Answer

The time of day and the number of crew members present.

Answer

The proximity to the nearest yard and the type of locomotive used.

Answer

The schedule of the next train to use the track.

Question 3

A train crew is leaving their entire train, with locomotives attached, on a main track siding. In this specific situation, which method of securement is permitted that is normally prohibited for unattended cars?

Accepted Answer

Depending on the automatic air brake system without applying hand brakes.

Answer

Using only wheel chocks on the lead locomotive.

Answer

Relying on the dynamic brakes of the locomotive.

Answer

Applying hand brakes on the locomotives only.

Question 4

After a crew member applies hand brakes on a cut of cars and releases the air, they observe the cars begin to roll slightly. What is the immediate and correct action required by GCOR?

Accepted Answer

Apply additional hand brakes until the equipment is fully secured against movement.

Answer

Notify the dispatcher that the hand brakes are defective.

Answer

Re-apply the air brakes and leave them applied.

Answer

Place a single wheel chock under the nearest wheel.

Question 5

Which of the following statements is the most accurate summary of the GCOR rule regarding the minimum number of hand brakes to be applied to unattended equipment?

Accepted Answer

A sufficient number must be applied to prevent movement, based on prevailing conditions.

Answer

At least two hand brakes must always be applied.

Answer

A minimum of 10 percent of the total cars require a hand brake.

Answer

One hand brake is required for every 50 tons of train weight.

Question 6

A single locomotive is being left unattended on a main track. What is the minimum hand brake requirement according to GCOR?

Accepted Answer

The hand brake on the locomotive must be fully applied.

Answer

The automatic air brake is sufficient if the compressor is running.

Answer

One wheel must be chocked.

Answer

Permission must be received from the dispatcher to leave it without a hand brake.