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General Knowledge Practice Question 19

RequiredGeneral Knowledge · Question 19

The 34-hour restart requires:

• A34 hours of any duty status
• B34 consecutive off-duty hours
• C34 hours of sleeper berth only
• D34 hours of any combination including driving

Correct answer: B. 34 consecutive off-duty hours

Why: A driver may restart the 60- or 70-hour weekly clock only after 34 consecutive hours off duty (or in the sleeper berth, or any combination of the two).

How this question fits the General test

FMCSA requires General Knowledge competency under 49 CFR 383.111 because every CDL holder operates a heavy vehicle in mixed traffic where situational judgment, pre-trip discipline, and emergency response routinely separate a safe trip from a fatal one.

Study technique for this topic

Read the FMCSA Model CDL Manual Section 2 cover to cover, then re-read it focused on numbers — speeds, distances, weights, and pressures. Use the practice questions in this category to drill those numeric thresholds until you can answer without hesitation.

Related General practice questions

• Q22. A second DUI conviction in a CDL results in:
• Q35. On wet roads, you should reduce speed by approximately:
• Q48. The Working Load Limit (WLL) of a tiedown chain assembly is:
• Q61. Minimum tread depth on non-steer tires is:
• Q9. You should turn off your engine retarder when:

Continue your CDL preparation

The General Knowledge portion of the CDL knowledge exam covers more than this single question. Use this site's full General Knowledge bank to drill every topic, then test yourself with one of our state-specific practice sets to confirm you are ready for the actual DMV exam in your state. Always check your state's CDL handbook for any local addenda before the test day.

If you are still building your overall CDL foundation, start with the General Knowledge bank — every CDL applicant must pass it — and then work outward to the endorsements you plan to add.