Knowledge Test Class A #2

FREE Iowa CDL Practice Test 2024 - DMV Practice Test

Practice examinations are a great opportunity to brush up on the regulations, road rules, driving skills, and other things you'll need to be a safe CMV driver. These 50 multiple-choice questions, along with hints and explanations, will help you prepare for the CDL written exam in Iowa by providing information and practice questions based on the Iowa Commercial Driver License Manual, as well as federal and state..

Practice examinations are a great opportunity to brush up on the regulations, road rules, driving skills, and other things you'll need to be a safe CMV driver. These 50 multiple-choice questions, along with hints and explanations, will help you prepare for the CDL written exam in Iowa by providing information and practice questions based on the Iowa Commercial Driver License Manual, as well as federal and state legislation. Practice until you achieve the desired result.

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1 . If turning to avoid a hazard:

You should not brake while making a quick turn to avoid a hazard. Doing so could cause your wheels to lock and make your vehicle skid out of control.

2 . When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:

When approaching your vehicle before an inspection, make note of its general condition and ensure that it is not damaged or leaning. Look under the vehicle for fresh leaks of oil, grease, or fuel. Check around the vehicle for hazards to movement, such as people, other vehicles, or low-hanging wires or tree limbs.

3 . Anti-Lock Braking Systems (ABS):

An Anti-Lock Braking System (ABS) helps prevent wheels from locking up during a hard application of brakes.

4 . If a driver has stopped on the road and is placing triangles to warn other motorists:

For your own safety, when placing reflective warning triangles, you should carry them between your body and the oncoming traffic.

5 . Distracted driving can be avoided by:

Distractions while driving can be physical (such as reaching for an object), mental (such as making conversation with a passenger), or both (such as holding a phone to send texts). Strategies to help you avoid distracted driving include pre-programming radio stations; planning out your route in advance; avoiding complex or emotionally taxing conversation while driving; adjusting your mirrors before setting out; and not eating, drinking, or smoking while behind the wheel.

6 . Which of the following is not a cause of hydraulic brake failure?

Most cases of hydraulic brake failure come from one of two causes. The brakes may fail due to a loss of hydraulic pressure or due to overuse on long hills, causing the brakes to fade.

7 . If a vehicle is carrying hazardous cargo, placards must be placed:

Placards must be placed on the front, the rear, and both sides of a vehicle carrying hazardous cargo. They must be readable from any direction.

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2024 Iowa | Frequently Asked Questions

A CDL Class A license in Iowa is defined as a commercial driver's license that permits the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) being towed is in excess of 10,000 pounds. This includes tractor-trailers, truck and trailer combinations.
A Class A CDL license in Iowa allows the holder to operate various types of vehicles including tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. The license covers vehicles with a Gross Vehicle Weight Rating (GVWR) over 26,001 pounds and the towed vehicle is more than 10,000 pounds.
To obtain a Class A CDL license in Iowa, you must be at least 18 years old (21 for interstate driving), possess a valid non-commercial driver's license, and pass a vision test. You'll also need to pass written knowledge tests, a skills test, and a pre-trip vehicle inspection. For certain endorsements like hazardous materials, a background check is required.
In Iowa, you must be at least 18 years old to qualify for a Class A CDL license. However, please note that while you can obtain a CDL at 18, federal law requires drivers to be at least 21 years old to drive commercial vehicles across state lines or to transport hazardous materials.
Specific endorsements aren't required for a Class A CDL license in Iowa but they can enhance your license. Endorsements like "T" for double/triple trailers, "P" for passenger vehicles, or "H" for hazardous materials allow you to operate specific types of vehicles or carry certain types of cargo. Each endorsement requires passing additional tests.
The Class A CDL skills test in Iowa encompasses three main areas: pre-trip inspection, basic vehicle control, and on-road driving. The pre-trip inspection tests your ability to inspect your vehicle before driving. Basic vehicle control assesses your ability to control the vehicle. On-road driving tests your ability to drive the vehicle in various traffic situations, including turns, intersections, and highway driving.
Yes, Class A CDL license holders in Iowa may face limitations based on their medical qualifications, the type of vehicle they're allowed to operate, and the cargo they can transport. This could result in restrictions such as "No passengers", "Intrastate only", or "No air brake equipped". Also, drivers under 21 are limited to intrastate operation only.
In Iowa, the written Class A CDL test is primarily administered in English. However, some locations may offer the test in Spanish. It's important to note that even if the test is taken in Spanish, the Federal Motor Carrier Safety Administration requires all commercial drivers to read and speak English sufficiently to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, you can request accommodations for the Class A CDL written test in Iowa if you have a disability. The Iowa Department of Transportation is committed to providing reasonable accommodations in accordance with the Americans with Disabilities Act. You should contact your local DOT office in advance to discuss your needs and arrange for modifications or aids to assist you during the test.
Yes, if you don't pass the Class A CDL written test in Iowa, you can retake it. However, you must wait at least one day before retaking the test. Please note that there may be additional fees for each retest. It's advised to review your study materials thoroughly before attempting the test again to increase your chances of passing.

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