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Practice test 6 of 10

Idaho CDL — General Knowledge Practice Test 6

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.Your oil pressure gauge shows pressure that is low, dropping or fluctuating. What does the manual's gauge illustration tell you to do?
  2. 2.Does the Clearinghouse reach CDL drivers who work only within one state?
  3. 3.Vehicles loaded with explosives may be left unattended in a 'safe haven.' Who usually designates these approved places?
  4. 4.A driver has a drug or alcohol program violation on record. What must be successfully completed before that driver may go back to safety-sensitive work, such as driving a CMV?
  5. 5.How far can the blind spot behind a school bus extend, according to the mirror section?
  6. 6.A shipping paper lists ordinary freight along with hazardous materials. Besides entering the hazardous items first or highlighting them in a contrasting color, how may they be identified?
  7. 7.In freezing weather, what can happen if you set the parking brakes while the brakes are very wet?
  8. 8.How did the Clearinghouse come to be established, according to the manual?
  9. 9.Some tractors have 'dead end' or dummy couplers. What are they for?
  10. 10.How far from the business or farm being serviced does Idaho's Seasonal CDL remain valid?

0 of 50 answered