Class A Driver’s License Practice Test -3

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As a commercial driver, when should you wear seat belts?

Correct! Wrong!

As a commercial driver, you should wear a seatbelt anytime you are operating a moving vehicle. [Page, 1--4. 1.2.7- Traffic Violations in Your Personal Vehicle, 1.2- CDL Disqualifications, Section 1: Introduction, CDL]

You will be denied or lose your hazardous materials endorsement, if you _______.

Correct! Wrong!

You will be denied or lose your hazardous materials endorsement, if you are under indictment for certain felonies, have a conviction in military or civilian court for certain felonies and/or have been committed to a mental institution. [Page, 1--4. 1.2.6- Hazardous Materials Endorsement Background Check and Disqualifications, 1.2- CDL Disqualifications, Section 1: Introduction, CDL]

If you have committed three serious traffic violations within a three-year period involving a CMV, you will likely lose your CDL at least _______ days.

Correct! Wrong!

If you have committed three serious traffic violations within a three-year period involving a CMV, you will likely lose your CDL at least 120 days. [Page, 1--3. 1.2.3- Serious Traffic Violations, 1.2- CDL Disqualifications, Section 1: Introduction, CDL]

Which of the following is a serious traffic violation?

Correct! Wrong!

Excessive speeding, reckless driving, erratic lane changes and following a vehicle too closely are all considered serious traffic violations. [Page, 1--3. 1.2.3- Serious Traffic Violations, 1.2- CDL Disqualifications, Section 1: Introduction, CDL]

You will lose your CDL for at least ____ days if you have committed your first violation of an out-of-service order.

Correct! Wrong!

You will lose your CDL for at least 90 days if you have committed your first violation of an "out-of-service order." [Page, 1--3. 1.2.4- Violation of Out-of-Service Orders, 1.2- CDL Disqualifications, Section 1: Introduction, CDL]

While driving a large vehicle, it is often difficult to see whether a vehicle is close behind you. Which of the following is a common reason someone may tailgate a driver of a large vehicle?

Correct! Wrong!

While driving a large vehicle, it is often difficult to see whether a vehicle is close behind you. There are many reasons why a vehicle might be too close behind you, but the common reasons are Bad weather or if the driver of the large vehicle is traveling too slowly. [Page, 2--17. 2.7.2- Space Behind, 2.7- Managing Space, Section 2: Driving Safely, CDL]

On the CDL pre-trip vehicle inspection test, you can expect to ________.

Correct! Wrong!

On the CDL pre-trip vehicle inspection test, you can expect to be asked to explain to the examiner what you would inspect and why. [Page, 2--3. 2.1.4- CDL Pre-trip Vehicle Inspection Test, 2.1- Vehicle Inspection, Section 2: Driving Safely, CDL]

Crossbuck signs require you to ______.

Correct! Wrong!

Crossbuck signs require you to yield the right-of-way to the train. [Page, 2--28. 2.15.2- Warning Signs and Devices, 2.15- Railroad Highway Crossings, Section 2: Driving Safely, CDL]

If the oil pressure is low, dropping or fluctuating, you should _____.

Correct! Wrong!

If the oil pressure is low, dropping or fluctuating, you should stop immediately. [Page, 2--4. 2.1.5- Seven-step Inspection Method, 2.1- Vehicle Inspection, Section 2: Driving Safely, CDL]

If you are driving a 40 ft. vehicle at 35 mph, you should leave how many seconds between you and the vehicle ahead?

Correct! Wrong!

If you are driving a 40 ft. vehicle at 35 mph, you should leave 4 seconds between you and the vehicle ahead. [Page, 2--17. 2.7.1- Space Ahead, 2.7- Managing Space, Section 2: Driving Safely, CDL]

Overloading your vehicle can have bad effects on your ________.

Correct! Wrong!

Overloading your vehicle can have bad effects on your steering, braking and speed control. [Page, 3--1. 3.2.2- Legal Weight Limits, 3.2- Weight and Balance, Section 3: Transporting Cargo Safely, CDL]

What is the purpose of a front-end header board?

Correct! Wrong!

A front-end header board protects you from your cargo in case of a crash or emergency stop. [Page, 3--3. 3.3.3- Header Boards, 3.3- Securing Cargo, Section 3: Transporting Cargo Safely, CDL]

No matter how small the cargo you are transporting, it's a good idea to have at least ___ tie-downs holding it.

Correct! Wrong!

No matter how small the cargo you are transporting, it's a good idea to have at least 2 tie-downs holding it. [Page, 3--2. 3.3.2- Cargo Tie-down, 3.3- Securing Cargo, Section 3: Transporting Cargo Safely, CDL]

A high center of gravity means _______.

Correct! Wrong!

A high center of gravity means that much of the load's weight is carried high up off the road. [Page, 3--2. 3.2.3- Don't Be Top-heavy, 3.2- Weight and Balance, Section 3: Transporting Cargo Safely, CDL]

Generally, how many tiedowns should you aim to have for each 10 ft. of cargo?

Correct! Wrong!

You should have one tiedown for each 10 ft. of your cargo. [Page, 3--2. 3.3.2- Cargo Tie-down, 3.3- Securing Cargo, Section 3: Transporting Cargo Safely, CDL]

Which of the following is a necessary step to test your service brakes?

Correct! Wrong!

To test your service brakes you need to wait for normal air pressure, release the parking brake, move the vehicle forward slowly and depress the brake pedal firmly. [Page, 5--7. 5.3.3- Step 7 Final Air Brake Check, 5.3- Inspecting Air Brake Systems, Section 5: Air Brakes, CDL]

Why should air tanks be drained completely?

Correct! Wrong!

Air tanks need to be drained completely because compressed air typically contains water and compressor oil, which both can be detrimental to the air brake system. In the winter, for example, the water can freeze and cause brake failure. [Page, 5--1. 5.1.4- Air Tank Drains, 5.1- The Parts of an Air Brake System, Section 5: Air Brakes, CDL]

When increased application pressure to maintain the same speed becomes necessary, you should ______.

Correct! Wrong!

When increased application pressure to maintain the same speed becomes necessary, you should slow down and use a lower gear. [Page, 5--3. 5.1.10- Application Pressure Gauge, 5.1- The Parts of an Air Brake System, Section 5: Air Brakes, CDL]

Modern air brake systems are made up of service brake systems, parking brake systems and what other brake system?

Correct! Wrong!

Modern air brake systems are made up of service brake systems, parking brake systems and emergency brake system. [Page, 5--1. Section 5: Air Brakes, CDL]

Continued overuse of brakes that are fading may result in ________.

Correct! Wrong!

Continued overuse of brakes that are fading may result in the vehicle being unable to stop. [Page, 5--9. 5.4.5- Brake Fading or Failure, 5.4- Using Air Brakes, Section 5: Air Brakes, CDL]

The tractor protection valve ______.

Correct! Wrong!

The tractor protection valve keeps air in the tractor or truck brake system should the trailer break away or develop a bad leak. [Page, 6--4, 6--5. 6.2.2- Tractor Protection Valve, 6.2- Combination Vehicle Air Brakes, Section 6: Combination Vehicles, CDL]

What could happen if you make a sudden movement while driving a tractor-trailer?

Correct! Wrong!

If you make a sudden movement while driving a tractor-trailer, your trailer could trip over. [Page, 6--1. 6.1.2- Steer Gently, 6.1- Driving Combination Vehicles Safely, Section 6: Combination Vehicles, CDL]

You are testing the stopping action of service brakes on a hydraulic system. Which of the following may indicate that there is a problem with your service brakes?

Correct! Wrong!

The brake pedal going to the floor, delayed stopping action and the vehicle pulling to one side when the brake pedal is pressed may all be indications that something is wrong with your service brakes. [Page, 6--11. 6.5.2- Combination Vehicle Brake Check, 6.5- Inspecting a Combination Vehicle, Section 6: Combination Vehicles, CDL]

What type of vehicles are more likely to off-track?

Correct! Wrong!

Longer vehicles are more likely to off-track. [Page, 6--3. 6.1.6- Turn Wide, 6.1- Driving Combination Vehicles Safely, Section 6: Combination Vehicles, CDL]

Dead end couplers prevent water and dirt entering into the ____ and the ______.

Correct! Wrong!

Dead end couplers prevent water and dirt entering into the coupler and the air lines. [Page, 6--5. 6.2.5- Hose Couplers (Glad Hands), 6.2- Combination Vehicle Air Brakes, Section 6: Combination Vehicles, CDL]

All versions of the Class A Pre-trip inspection test will include _______.

Correct! Wrong!

All versions of the Class A Pre-trip inspection test will include an in-cab inspection, an engine start and an inspection of the coupling system. [Page, 11--8. 11.6.1- Class A Pre-Trip Inspection Test, 11.6- Taking the CDL Pre-Trip Inspection Test, Section 11: Vehicle Inspection Test, CDL]

You must check that the ____ do not have cracks or frays.

Correct! Wrong!

You must check that the power steering belt, water pump belt, alternator belt and air compressor belt do not have cracks or frays. [Page, 11--1. 11.1.1- Engine Compartment (Engine Off), 11.1- All Vehicles, Section 11: Vehicle Inspection Test, CDL]

If your vehicle's landing gear is power-operated, you will need to check for ______.

Correct! Wrong!

If your vehicle's landing gear is power-operated, you will need to check for air or hydraulic leaks. [Page, 11--7. 11.4.2- Side of Trailer, 11.4- Trailer, Section 11: Vehicle Inspection Test, CDL]

If your fifth wheel plate is not well lubricated, this could cause ___________.

Correct! Wrong!

If your fifth wheel plate is not well lubricated, this could cause steering problems. [Page, 11--5. 11.2.7- Tractor/ Coupling, 11.2- External Inspection (All Vehicles), Section 11: Vehicle Inspection Test, CDL]

What emergency equipment should your vehicle have?

Correct! Wrong!

You should have a fire extinguisher, spare electrical fuses (if the vehicle uses them) and warning devices for parked vehicles. [Page, 11--2. 11.1.2- Cab Check/ Engine Start, 11.1- All Vehicles, Section 11: Vehicle Inspection Test, CDL]

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