CDL General Knowledge Practice Test 3

Question 1

Which of the following is NOT a part of the steering system?

Accepted Answer

Main spring

Answer

Hydraulic fluid reservoir

Answer

Tie rod

Answer

Steering knuckle

Question 2

When backing, what is the best method to use to avoid blind spots?

Accepted Answer

Use a helper

Answer

Use mirrors on both sides

Answer

Back towards the driver's side, where you can see better

Answer

Look at your path

Question 3

Which of the following is NOT an appropriate reason to flash your braking lights?

Accepted Answer

To signal to tailgaters that they are too close to your vehicle

Answer

To warn drivers behind you when you need to slow down

Answer

To alert drivers behind you that there are hazards ahead

Answer

To warn vehicles approaching you from behind that you are driving slowly

Question 4

You are driving a 50 foot truck at 38 MPH, how much space (in seconds) should you keep in front of you?

Accepted Answer

5 seconds

Answer

3 seconds

Answer

6 seconds

Answer

4 seconds

Question 5

Which of the following is NOT a recommended action to take when confronted by an aggressive driver?

Accepted Answer

Make eye contact and motion to them that you are calling the authorities

Answer

Ignore them and refuse to react to any of their gestures

Answer

Make every attempt to get out of their way

Answer

Do not let your pride and ego affect your actions

Question 6

When driving in very hot temperatures, you should:

Accepted Answer

All of the above

Answer

Check your tires every 2 hours or every 100 miles

Answer

Let your tires cool down (remain stopped) if they are too hot to touch

Answer

Insure that you have enough antifreeze in the system

Question 7

Shifting into a lower gear and removing your foot off of the accelerator to slow your vehicle is known as?

Accepted Answer

Engine braking

Answer

Double clutching

Answer

Anti-lock braking

Answer

Brake fade

Question 8

Which of the following statements is FALSE?

Accepted Answer

If a tire blows, you should put the brakes on hard to stop quickly

Answer

You can almost always turn to miss an obstacle more quickly than you can stop

Answer

Stopping is not always the safest thing to do in an emergency

Answer

Antilock Braking Systems (ABS) only activate when wheels are about to lock

Question 9

Which of the following are possible causes of tire fires?

Accepted Answer

Dual tires that touch and under-inflated tires

Answer

Loose fuel connections or under-inflated tires

Answer

Improperly loaded cargo and dual tires that touch

Answer

Poor cargo ventilation or short circuits

Question 10

The average person requires how many hours of sleep per 24 hour period?

Accepted Answer

7 or 8

Answer

8 or 9

Answer

6 or 7

Answer

5 or 6