Class A Driver’s License Practice Test -4

This is a timed quiz. You will be given 45 seconds per question. Are you ready?

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If your privilege to operate your personal vehicle is revoked, you will _________.

Correct! Wrong!

If your privilege to operate your personal vehicle is revoked, you will also lose your CDL driving privileges. [Page, 1--4. 1.2.7- Traffic Violations in Your Personal Vehicle, 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]

_______ are required of all drivers applying to take the CDL test.

Correct! Wrong!

The general knowledge test are required of all drivers applying to take the CDL test. [Page, 1--1. 1.1- Commercial Driver License Tests, Section 1: Introduction, CDL]

What general skills will be tested when you apply for a commercial driver's license?

Correct! Wrong!

On the general skills test, you will be tested to see whether you know when your vehicle is safe to drive, your ability to control your vehicle and your ability to drive safely in a variety of traffic situations. [Page, 1--2. 1.1.2- Skills Test, 1.1- Commercial Driver License Tests, Section 1: Introduction, CDL]

Failing to obey a traffic control device at a railroad crossing could result in you losing your CDL for at least ______ if it is your second similar violation within a three-year period.

Correct! Wrong!

Failing to obey a traffic control device at a railroad crossing could result in you losing your CDL for at least 120 days if it is your second violation. [Page, 1--3. 1.2.5- Railroad-highway Grade Crossing Violations, 1.2- CDL Disqualifications, Section 1: Introduction, CDL]

While driving a heavy commercial vehicle, why should you avoid turning wide to the left as you start turning right?

Correct! Wrong!

While driving a heavy commercial vehicle, you should avoid turning wide to the left as you start turning right because a following driver may think you are turning left and try to pass you on the right, potentially causing a crash. [Page, 2--18. 2.7.6- Space For Turns, 2.7- Managing Space, Section 2: Driving Safely, CDL]

Rust around wheel nuts often means that _____.

Correct! Wrong!

Rust around wheel nuts often means that the nuts are loose. [Page, 2--2. 2.1.3- What to Look For, 2.1- Vehicle Inspection, Section 2: Driving Safely, CDL]

On what surface should you turn off your vehicle's retarder?

Correct! Wrong!

When you are driving on roads that are wet, icy or snow covered, you should turn off the retarder. The reader could cause the wheels to skid on surfaces that provide poor traction. [Page, 2--10. 2.3.4- Retarders, 2.3- Shifting Gears, Section 2: Driving Safely, CDL]

When you're trying to correct a drive-wheel braking skid why should you stop braking?

Correct! Wrong!

When you're trying to correct a drive-wheel braking skid you should stop braking. This will let the rear wheels roll again and keep the rear wheels from sliding. [Page, 2--36. 2.19.2- Correcting a Drive-wheel Braking Skid, 2.19- Skid Control and Recovery, Section 2: Driving Safely, CDL]

Before you start your engine, ______.

Correct! Wrong!

Before you start your engine, make sure the parking brake is on. [Page, 2--4. 2.1.5- Seven-step Inspection Method, 2.1- Vehicle Inspection, Section 2: Driving Safely, CDL]

What is the tire load?

Correct! Wrong!

The tire load is the maximum safe weight a tire can carry at a specified pressure. [Page, 3--1. 3.2.1- Definitions You Should Know, 3.2- Weight and Balance, Section 3: Transporting Cargo Safely, CDL]

Why should you cover your cargo during its transportation?

Correct! Wrong!

You should cover cargo during its transportation to protect people (pedestrians, passengers and other civilians) from the cargo's contents if it spills and to protect the cargo from weather. [Page, 3--3. 3.3.4- Covering Cargo, 3.3- Securing Cargo, Section 3: Transporting Cargo Safely, CDL]

The Gross Vehicle Weight is ______.

Correct! Wrong!

The gross vehicle weight is the total weight of a single vehicle plus its load. [Page, 3--1. 3.2.1- Definitions You Should Know, 3.2- Weight and Balance, 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]

Blocking is used in the __________ of a piece of cargo to keep it from sliding.

Correct! Wrong!

Blocking is used in the front, back and/or sides of a piece of cargo to keep it from sliding [Page, 3--2. 3.3.1- Blocking and Bracing, 3.3- Securing Cargo, Section 3: Transporting Cargo Safely, CDL]

What is a wig wag ?

Correct! Wrong!

A wig wag is a low air pressure warning signal. The device drops a mechanical arm into your view when the pressure in the system drops below 60 psi. [Page, 5--3. 5.1.11- Low Air Pressure Warning, 5.1- The Parts of an Air Brake System, Section 5: Air Brakes, CDL]

Avoid using the parking brakes when ________.

Correct! Wrong!

Avoiding using the parking brakes when the brakes are very hot. [Page, 5--10. 5.4.8- Parking Brakes, 5.4- Using Air Brakes, Section 5: Air Brakes, CDL]

When does the safety valve in an air compressor tank open?

Correct! Wrong!

The safety valve in the air compressor tank opens at 150 psi. [Page, 5--2. 5.1.6- Safety Valve, 5.1- The Parts of an Air Brake System, Section 5: Air Brakes, CDL]

If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.

Correct! Wrong!

If your vehicle has an alcohol evaporator, the evaporator's purpose is to decrease the risk of ice forming in air brake valves during cold temperature. [Page, 5--2. 5.1.5- Alcohol Evaporator, 5.1- The Parts of an Air Brake System, Section 5: Air Brakes, CDL]

An air compressor can be cooled by _______.

Correct! Wrong!

An air compressor can be cooled by air or an engine cooling system. [Page, 5--1. 5.1.1- Air Compressor, 5.1- The Parts of an Air Brake System, Section 5: Air Brakes, CDL]

The trailer hand valve should be used ________.

Correct! Wrong!

The trailer hand valve should be used to test the trailer brakes. [Page, 6--4. 6.2.1- Trailer Hand Valve, 6.2- Combination Vehicle Air Brakes, Section 6: Combination Vehicles, CDL]

The emergency line has two functions. It supplies air to the trailer air tanks and what else?

Correct! Wrong!

The emergency line has two functions. It supplies air to the trailer air tanks and controls the emergency brakes on combination vehicles. [Page, 6--5. 6.2.4- Trailer Air Lines, 6.2- Combination Vehicle Air Brakes, Section 6: Combination Vehicles, CDL]

What does the pressure in the service line indicate?

Correct! Wrong!

The pressure in the service line indicates how much pressure the relay valves should send to the trailer brakes. [Page, 6--6. 6.2.6- Trailer Air Tanks, 6.2- Combination Vehicle Air Brakes, Section 6: Combination Vehicles, CDL]

When traveling under 40 mph in a combination vehicle, you should follow other vehicles _________.

Correct! Wrong!

When travelling under 40 mph in a combination vehicle, you should follow other vehicles with a distance of one second for every ten feet of your vehicle length. [Page, 6--1. 6.1.2- Steer Gently, 6.1- Driving Combination Vehicles Safely, Section 6: Combination Vehicles, CDL]

The brakes in a trailer will hold as long as there is air pressure in the trailer air tank. Eventually, the air will leak away, and so it is important when you park to use _______.

Correct! Wrong!

The brakes in a trailer will hold as long as there is air pressure in the trailer air tank. Eventually, the air will leak away, and so it is important when you park to use wheel chocks. [Page, 6--6. 6.2.8- Trailer Service, Parking and Emergency Brakes, 6.2- Combination Vehicle Air Brakes, Section 6: Combination Vehicles, CDL]

If you are applying for a Class A CDL, you will be required to perform ___ of the ____ versions of a pre-trip inspection in the vehicle you have brought with you for testing.

Correct! Wrong!

If you are applying for a Class A CDL, you will be required to perform one of the four versions of a pre-trip inspection in the vehicle you have brought with you for testing. [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]

Which of the following engine compartment belts must you check for cracks or frays as part of your pre-trip inspection?

Correct! Wrong!

You should check the power steering belt, water pump belt, alternator belt and the air compressor belt for cracks or frays. [Page, 11--1. 11.1.1- Engine Compartment (Engine Off), 11.1- All Vehicles, Section 11: Vehicle Inspection Test, CDL]

During your vehicle's inspection test as you check the oil pressure gauge, you should _______.

Correct! Wrong!

During your vehicle's inspection test as you check the oil pressure gauge, you should check if pressure gauge shows increasing or normal pressure and/or if the warning light goes off. [Page, 11--1. 11.1.2- Cab Check/ Engine Start, 11.1- All Vehicles, Section 11: Vehicle Inspection Test, 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 should check the fifth wheel _____.

Correct! Wrong!

You should check the fifth wheel for damaged parts or missing parts. You should also check to ensure the fifth wheel plate is greased. [Page, 11--5. 11.2.7- Tractor/ Coupling, 11.2- External Inspection (All Vehicles), Section 11: Vehicle Inspection Test, CDL]

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