Considering taking your combination vehicles endorsement test? Our Free Washington CDL Combination Vehicles Practice Test can help you get ready to pass. This test was carefully put together by experts who wanted to create a perfect preview of the real thing. As a result, this test contains similar content to the real test and it is also formatted like the real test. This way you can earn your combination vehicles endorsement as fast as possible and start driving trucks with trailers – a job qualification that could allow you to earn more money.

On our practice test you will find 20 questions drawn from the Washington CDL Handbook. There are questions on topics such as coupling and uncoupling trailers, backing up with a trailer, taking corners and making turns with a trailer and much more. There are questions like these: If the service air line comes apart while you are driving a combination vehicle but the emergency line stays together, what will happen? In normal driving, can using the hand valve before applying the brake pedal be a good strategy for preventing a jackknife? You’ll need to get a score of 80% or higher to pass. But if you fail, you can take the test again as many times as you like. To help you learn the content, we have also included answer explanations. We highly recommend that you read these as you make your way through the test. See how much you know about combination vehicles, take the test now.

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Washington CDL Combination Vehicles Overview:
20 Total number of questions:
16 Number of questions required to pass:
80 Percentage required to pass:
Washington CDL Handbook 2019

Get the latest (2019) official WA CDL Handbook.

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