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Question:

How can you determine if your vehicle is equipped with ABS?

1. Check for yellow ABS malfunction lamps on the instrument panel.

2. Check if your vehicle was manufactured after March 1, 1998 (they are required to have the panel light).

3. Look for wheel speed sensor wires that are coming from the rear of your brakes.

4. All of the above

Answer: All of the above

Explanation
Most vehicles now will have a light on the instrument panel that will illuminate briefly when the vehicle is started to alert you about the ABS, but you can always check for wires from your brakes.
This question is in Section 1: General Knowledge of our CDL Test Guide. Explore now!
Related Question

Question: How many red warning triangle/flares/reflectors should your vehicle be carrying?

3

You should always have three warning triangles, flares, or reflectors.

Question: What is the purpose of a driver placarding his or her vehicle?

Communicating risk

You must file an official report within 10 days, using Form SR-1, if any of the incidents listed happen. Your employer will have their own rules about company reporting and driving their trucks.

Question: Which of these is the most important thing to remember about emergency braking?

1. Disconnecting the steering axle brakes will help keep your vehicle in a straight line during emergency braking.

2. Never do it without downshifting first.

3. If the wheels are skidding, you cannot control the vehicle.

If the wheels are skidding, you cannot control the vehicle.

Question: How do you test the hydraulic brakes for leaks?

Pump the brake pedal three times; then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.

Question: Driving a truck with double or triple trailers requires a driver to

1. allow more following distance than with smaller vehicles.

2. take special care in bad weather and mountain conditions.

3. do both of the above.

do both of the above.

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