DOT Inspector Federal Regulations & Compliance 3 — Questions and Answers
Question 1: Under 49 CFR Part 380, entry-level driver training (ELDT) regulations apply to which category of applicants?
- Any driver renewing a standard Class C license
- Applicants for a Class A or B CDL, upgrade, or S/P endorsement (Correct answer)
- All drivers operating vehicles over 10,001 lbs GVWR
- Drivers seeking a hazmat endorsement only
Correct answer: Applicants for a Class A or B CDL, upgrade, or S/P endorsement
49 CFR Part 380 requires ELDT for applicants obtaining a Class A or B CDL, upgrading, or adding a school bus (S) or passenger (P) endorsement.
Question 2: Which FMCSA regulation requires motor carriers to conduct pre-employment drug testing before allowing a driver to operate a CMV?
- 49 CFR Part 391
- 49 CFR Part 382 (Correct answer)
- 49 CFR Part 395
- 49 CFR Part 396
Correct answer: 49 CFR Part 382
49 CFR Part 382 establishes the controlled substances and alcohol testing program, including mandatory pre-employment testing.
Question 3: A DOT inspector checks a cargo tank and finds the last hydrostatic pressure test was performed 6 years ago. The required interval for MC-306/DOT-406 tanks is every how many years?
- 2 years
- 3 years
- 5 years (Correct answer)
- 10 years
Correct answer: 5 years
MC-306/DOT-406 cargo tanks require a hydrostatic pressure test every 5 years under 49 CFR 180.407.
Question 4: Under the Federal Motor Carrier Safety Regulations, a 'serious traffic violation' that triggers CDL disqualification includes which of the following?
- Failure to use a turn signal
- Speeding 15 mph or more above the posted limit (Correct answer)
- Following too closely in a personal vehicle
- A parking violation
Correct answer: Speeding 15 mph or more above the posted limit
Speeding 15 mph or more above the speed limit in a CMV is defined as a serious traffic violation under 49 CFR 383.5.
Question 5: Under 49 CFR 392.22, when a CMV is disabled on the traveled portion of a highway, warning devices must be placed within how many minutes?
- 5 minutes
- 10 minutes
- 15 minutes (Correct answer)
- 30 minutes
Correct answer: 15 minutes
49 CFR 392.22(b) requires the driver to place warning devices within 10 minutes — however the correct federal standard is within 10 minutes.
Question 6: A carrier's SMS (Safety Measurement System) BASIC score is used by FMCSA to prioritize interventions. Which BASIC category covers driver fatigue violations?
- Vehicle Maintenance BASIC
- Hours-of-Service Compliance BASIC (Correct answer)
- Driver Fitness BASIC
- Controlled Substances/Alcohol BASIC
Correct answer: Hours-of-Service Compliance BASIC
The Hours-of-Service Compliance BASIC tracks violations related to driver fatigue and HOS rules under SMS.
Question 7: Under 49 CFR 393.55, hydraulic brake systems on CMVs must include which required safety feature?
- An air-over-hydraulic backup system
- A warning device that activates when fluid pressure drops (Correct answer)
- A secondary mechanical drum brake
- Antilock brakes on all axles
Correct answer: A warning device that activates when fluid pressure drops
49 CFR 393.55 requires hydraulic brake systems to have a warning device that signals the driver if pressure drops to a level that could cause brake failure.
DOT Inspector Federal Regulations & Compliance 3
Under 49 CFR Part 380, entry-level driver training (ELDT) regulations apply to which category of applicants?