Skip to main content
DMV Test Free
ENES

Practice test 1 of 10

Idaho CDL — General Knowledge Practice Test 1

The Idaho CDL — General Knowledge knowledge test has ~50 questions; you need ~40 correct (80%) to pass.

This practice test follows that format: 50 questions, pass with 40 correct. Answer every page, then grade it to see the answers and explanations.

Questions 1–10 of 50

  1. 1.An Idaho driver runs a custom motorcoach rated above 26,001 pounds for commercial purposes, carrying only eight people. What does the manual require?
  2. 2.Idaho's fee list shows two charges tied to the skills test. What does it say about the CDL examiner's fee?
  3. 3.A shipper asks your bus line to carry 150 pounds of a single class of otherwise-allowed hazardous material. What does the manual's limit say?
  4. 4.Baffles in a liquid tank help control forward-and-backward surge. Which surge can still happen, and why does it matter?
  5. 5.When you pull a trailer around a corner, why should you steer the front end wide?
  6. 6.What does the fee list at the front of Idaho's CDL manual charge for a Commercial Learner's Permit?
  7. 7.When may a placarded vehicle with no explosives aboard be parked less than five feet from the traveled portion of the road?
  8. 8.You are parked with a load of Division 1.1 explosives and need to step away. When may you let someone else watch the vehicle for you?
  9. 9.How should students board a school bus, according to the loading procedures?
  10. 10.Why might a tank be filled only partway with a dense liquid such as some acids?

0 of 50 answered