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In Partnership with Alameda Free Library

FREE CA CDL Double/Triple Trailers Practice Test 2018

This CDL practice test is a great place to start if you’re after the CA Double/Triple Trailers endorsement. Each of the 20 questions is based on the official 2018 CDL manual. The test is designed to prepare you for the Double/Triple Trailers portion of your 2018 Commercial Driver’s License exam. There are several answer options, but only one of them is correct. Every time you answer a question, you’ll get immediate feedback with a detailed explanation, so you won’t need to wait until the end of the test to know the correct answers.

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Important:

In California, the number of knowledge test questions is different depending on how old you are:
  • If you are under 18, you will get 46 questions, 38 of which will need to be answered correctly
  • If you are over 18, the written part of the driving test will have 36 questions.
4 mistakes allowed to pass
Passing score required at the CA DMV: 80%
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  1. CA CDL General Knowledge Test
  2. CA CDL General Knowledge Test 2
  3. CA CDL General Knowledge Test 3
  4. CA CDL General Knowledge Test 4
  5. CA CDL General Knowledge Test 5
  6. CA CDL General Knowledge Test 6
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