CDL General Knowledge guide
CDL General Knowledge drill: Cargo and hazmat basics
10 questions · Untimed · Explanation after each question
Ten questions on Cargo and hazmat basics, about 13% of the 50 questions in the full General Knowledge practice test.

Before you start
- Every question has three answer choices, like the state knowledge tests, and cites the CDL manual section it comes from.
- Check each answer to see the explanation before moving on. Checked answers cannot be changed.
Create a free account before you start
Create a free account to start. Every drill includes one free attempt. A CDL practice pass unlocks every full practice test and unlimited drills.
Original practice questions written from the model CDL manual. Independent preparation, not affiliated with or endorsed by FMCSA, AAMVA or any state licensing agency.