CDL General Knowledge Practice Test 2026: Övningsprov 2
Övningsprov 2 av 6 för CDL General Knowledge Practice Test: 25 fler frågor med svar och förklaringar.
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Fråga 1 av 25
Visa svar
Svar: B. Before you take the CDL skills test
ELDT must be completed before the skills test for a first Class A or Class B CDL.
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Fråga 2 av 25
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Svar: A. Yes
Upgrading from Class B to Class A is one of the cases that requires ELDT.
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Fråga 3 av 25
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Svar: B. 21
A driver must be at least 21 years old to drive a CMV in interstate commerce.
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Fråga 4 av 25
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Svar: A. A medical examiner on FMCSA's National Registry
The physical exam must be done by a medical examiner on the National Registry of Certified Medical Examiners.
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Fråga 5 av 25
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Svar: D. At least every 24 months
Most drivers must be re-examined if they have not been certified in the last 24 months. Some conditions need a new exam every 12 months.
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Fråga 6 av 25
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Svar: C. At least 20/40
The vision standard is at least 20/40 in each eye, with or without corrective lenses.
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Fråga 7 av 25
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Svar: A. At least 70 degrees side to side
Drivers need a field of vision of at least 70 degrees in the horizontal meridian in each eye.
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Fråga 8 av 25
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Svar: B. Well enough to talk with the public, read signs and fill out reports
Federal rules require enough English to converse with the public, understand traffic signs, respond to official questions and make report entries.
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Fråga 9 av 25
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Svar: D. Within 30 days
Commercial drivers must notify their employer within 30 days of a traffic conviction, other than parking, in any type of vehicle.
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Fråga 10 av 25
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Svar: D. 10 years
You must give your employer information about all driving jobs you held in the past 10 years.
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Fråga 11 av 25
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Svar: D. Only one
You may hold only one license. Having more than one can bring a fine or jail.
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Fråga 12 av 25
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Svar: D. 0.04%
Driving a CMV with an alcohol concentration of 0.04% or more is a disqualifying offense.
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Fråga 13 av 25
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Svar: C. At least 4 hours
You may not use alcohol within 4 hours before going on duty or driving a CMV.
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Fråga 14 av 25
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Svar: D. You are put out of service for 24 hours
A driver with any measured alcohol or detected presence of alcohol is placed out of service for 24 hours.
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Fråga 15 av 25
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Svar: D. At least 1 year
A first conviction for a major offense such as DUI brings a disqualification of 1 year when no hazmat is involved.
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Fråga 16 av 25
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Svar: A. At least 3 years
First convictions for major offenses while transporting hazardous materials carry a 3-year disqualification.
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Fråga 17 av 25
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Svar: B. Disqualification for life
A second conviction for a major offense generally brings a lifetime disqualification.
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Fråga 18 av 25
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Svar: A. As a major offense, like DUI
Refusing an alcohol test is a major offense, with the same 1-year first-time disqualification as DUI.
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Fråga 19 av 25
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Svar: C. At least 60 days
A second serious traffic violation within 3 years brings a 60-day disqualification.
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Fråga 20 av 25
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Svar: A. At least a 120-day disqualification
Three or more serious traffic violations within 3 years bring a 120-day disqualification.
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Fråga 21 av 25
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Svar: D. Speeding 15 mph or more over the limit
Excessive speeding of 15 mph or more over the limit is listed as a serious traffic violation.
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Fråga 22 av 25
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Svar: D. As serious traffic violations that can lead to disqualification
Texting and using a hand-held mobile phone while driving a CMV are both serious traffic violations.
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Fråga 23 av 25
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Svar: C. Only to call police or emergency services
Federal rules ban hand-held phone use while driving a CMV, except to contact law enforcement or emergency services.
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Fråga 24 av 25
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Svar: A. At least 60 days
A first railroad-highway grade crossing violation brings a disqualification of no less than 60 days.
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Fråga 25 av 25
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Svar: C. 180 days to 1 year
A first out-of-service order violation brings a disqualification of no less than 180 days and no more than 1 year.
Tangentbord: 1–4 för att svara, Enter för nästa fråga.
Det riktiga provet: Varies by state; usually 50 questions, with 40 correct needed (80%)