MTO Legal Regulations & Compliance 2

Question 1

Under FMCSA regulations, what is the maximum allowable blood alcohol concentration (BAC) for a CDL holder operating a commercial motor vehicle?

Accepted Answer

0.04%

Answer

Federal regulations set the legal BAC limit for CDL drivers operating CMVs at 0.04%, half the standard limit for non-commercial drivers.

Question 2

A motor carrier must retain driver qualification files for how long after a driver's employment ends?

Accepted Answer

3 years

Answer

49 CFR Part 391 requires carriers to keep driver qualification files for 3 years after the driver's employment terminates.

Question 3

Which federal agency enforces hours-of-service rules for interstate commercial truck drivers?

Accepted Answer

Federal Motor Carrier Safety Administration (FMCSA)

Answer

The FMCSA is the DOT sub-agency responsible for regulating and enforcing safety standards including hours-of-service for CMV drivers.

Question 4

What is the minimum age requirement to operate a commercial motor vehicle in interstate commerce?

Accepted Answer

21 years old

Answer

Federal law requires CMV drivers engaged in interstate commerce to be at least 21 years old.

Question 5

A driver is found to have a disqualifying out-of-service condition. Who bears primary responsibility for ensuring the driver does not operate the vehicle?

Accepted Answer

Both the driver and the motor carrier

Answer

Both the driver and the motor carrier share responsibility for compliance; the carrier must not dispatch an out-of-service driver, and the driver must not operate.

MTO - Ministry of Transportation Practice Test

MTO - Ministry of Transportation Practice Test

MTO Legal Regulations & Compliance 2