REC Locomotive Mechanical & Safety Inspections

Question 1

Under FRA regulations, how often must a locomotive receive a Class IA inspection?

Accepted Answer

Every 92 days

Answer

FRA regulations require a Class IA inspection every 92 days for locomotives in service.

Question 2

Which component must be tested before each locomotive departure to ensure safe brake application?

Accepted Answer

Automatic air brake system

Answer

A brake test of the automatic air brake system is required before each departure to confirm proper operation.

Question 3

What is the minimum brake cylinder piston travel limit before corrective action is required on most freight locomotives?

Accepted Answer

7 inches

Answer

FRA regulations specify that brake cylinder piston travel should not exceed 7 inches without corrective maintenance.

Question 4

When inspecting locomotive wheels, a flat spot exceeding what length requires the unit to be removed from service?

Accepted Answer

2½ inches

Answer

A wheel flat spot exceeding 2½ inches in length requires the locomotive to be removed from service per FRA rules.

Question 5

What does a 'blue flag' displayed on a locomotive indicate?

Accepted Answer

Workers are on or under the equipment — do not move

Answer

A blue flag or blue light indicates that workers are on, under, or between equipment, and the locomotive must not be moved.

(REC) Railroad Engineer Certification Practice Test