Class B Commercial Driver’s License Practice Test -1
This is a timed quiz. You will be given 45 seconds per question. Are you ready?
What is the Motor Carrier Safety Improvement Act of 1999?
The Motor Safety Improvement Act of 1999 is a law that requires a CDL holder to be disqualified from operating a commercial motor vehicle if the CDL holder has been convicted of certain types of moving violations in their personal vehicle. [Page, 1--4. 1.2.7- Traffic Violations in Your Personal Vehicle, 1.2- CDL Disqualifications, Section 1: Introduction, CDL]
During the basic vehicle control portion of the skills test, you will be asked to __________.
During the basic vehicle control portion of the skills test, you will be asked to move your vehicle forward, back and turn it within a defined area. [Page, 1--2. 1.1.2- Skills Test, 1.1- Commercial Driver License Tests, Section 1: Introduction, CDL]
All drivers who need a CDL must take what test?
All drivers who need a CDL must take the general knowledge test. [Page, 1--1. 1.1- Commercial Driver License Tests, Section 1: Introduction, CDL]
What offense is a serious traffic violation?
Traffic offenses committed in a CMV in connection with fatal traffic accidents, erratic lane changes, a following a vehicle too closely and reckless driving are all considered serious traffic offense. [Page, 1--3. 1.2.3- Serious Traffic Violations, 1.2- CDL Disqualifications, Section 1: Introduction, CDL]
You will be denied or lose your hazardous materials endorsement, if you _______.
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]
During the night, you should dim your lights when you are within _____ feet of an oncoming vehicle.
During the night, you should dim your lights when you are within 500 ft. of an oncoming vehicle. [Page, 2--25. 2.11.5- Night Driving Procedures, 2.11- Driving At Night, Section 2: Driving Safely, CDL]
For what reason should the exhaust system be checked?
The exhaust system should be checked because a leaking exhaust system can allow poisonous fumes into the cab. [Page, 2--3. 2.1.3- What to Look For, 2.1- Vehicle Inspection, Section 2: Driving Safely, CDL]
Driving at night can be more dangerous because ______.
Driving at night can be more dangerous because drivers can't see hazards as quickly at night. [Page, 2--23, 2--24. 2.11.1- It's More Dangerous, 2.11- Driving At Night, Section 2: Driving Safely, CDL]
If you take a curve too fast, two things may happen. One is that the tires may keep their traction and the vehicle may roll over. What is the other possibility?
If you take a curve too fast, two things may happen. One is that the tires may keep their traction and the vehicle may roll over. The other possibility is that the tires can lose their traction and cause you to skid off the road. [Page, 2--15. 2.6.3- Speed and Curves, 2.6- Controlling Speed, Section 2: Driving Safely, CDL]
Why conduct a pre-trip inspection?
You should conduct a pre-trip inspection because it could help you find problems that could cause a crash or breakdown. [Page, 2--1. 2.1.2- Types of Vehicle Inspection, 2.1- Vehicle Inspection, Section 2: Driving Safely, CDL]
What is the minimum number of tiedowns for a 30-foot load?
The minimum number of tiedowns for a 30 ft. load is 3. [Page, 3--2. 3.3.2- Cargo Tie-down, 3.3- Securing Cargo, Section 3: Transporting Cargo Safely, CDL]
Within the first ____ miles of your journey you should always check that your cargo is secure.
Within the first 50 miles of your journey you should always check that your cargo is secure. [Page, 3--1. 3.1- Inspecting Cargo, Section 3: Transporting Cargo Safely, CDL]
A general rule for tying down cargo: you need one tiedown for each _____ ft. of cargo.
You need one tiedown for each 10 ft. of cargo. [Page, 3--2. 3.3.2- Cargo Tie-down, 3.3- Securing Cargo, Section 3: Transporting Cargo Safely, CDL]
The tire load is ______.
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]
As a driver hauling cargo, you are responsible for ______.
As a driver hauling cargo, you are responsible for inspecting your cargo, recognizing when your vehicle is overloaded, and knowing when your cargo is secured properly. [Page, 3--1. 3.1- Inspecting Cargo, Section 3: Transporting Cargo Safely, CDL]
What does the air storage tank contain?
The air storage tank contains compressed air. [Page, 5--1. 5.1.3- Air Storage Tanks, 5.1- The Parts of an Air Brake System, Section 5: Air Brakes, 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?
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, 5--7. 5.3.3- Step 7 Final Air Brake Check, 5.3- Inspecting Air Brake Systems, Section 5: Air Brakes, CD
How are the brake drums connected to the wheels?
The wheels are bolted to the brake drums. [Page, 5--2. 5.1.8- Foundation Brakes, 5.1- The Parts of an Air Brake System, Section 5: Air Brakes, CDL]
The parking brake valve should close when the air pressure falls into what range?
The parking brake valve should close when the air pressure falls into the 20-45 psi range. [Page, 5--7. 5.3.3- Step 7 Final Air Brake Check, 5.3- Inspecting Air Brake Systems, Section 5: Air Brakes, CDL]
What is the air brake lag distance when you are driving at 55 mph on dry pavement?
The air brake lag distance is 32 ft. approximately when you are driving at 55 mph on dry pavement. [Page, 5--9. 5.4.4- Stopping Distance, 5.4- Using Air Brakes, Section 5: Air Brakes, CDL]
You need to check that the dash indicators are working when corresponding lights are turned on for which of the following?
You need to check that the dash indicators are working when corresponding lights are turned on for the turn signals, four-way emergency flashers, the high beam headlight and the Anti-lock Braking System (ABS) indicator. [Page, 11--2. 11.1.2- Cab Check/ Engine Start, 11.1- All Vehicles, Section 11: Vehicle Inspection Test, CDL]
You need to check ____ belt for snugness.
You need to check the power steering belt, the water pump belt, alternator belt and air compressor belt for snugness. [Page, 11--1. 11.1.1- Engine Compartment (Engine Off), 11.1- All Vehicles, Section 11: Vehicle Inspection Test, CDL]
The air pressure governor cut-out is typically within what psi range?
The air pressure governor cut-out is typically within 120-140 psi. [Page, 11--1. 11.1.2- Cab Check/ Engine Start, 11.1- All Vehicles, Section 11: Vehicle Inspection Test, CDL]
The exterior baggage compartments of your vehicle should ______.
The exterior baggage compartments of your vehicle should be undamaged, operate properly and latch securely. [Page, 11--7. 11.5.3- External Inspection of Coach/Transit Bus, 11.5- Coach/Transit Bus, Section 11: Vehicle Inspection Test, CDL]
On your vehicle inspection test, what should you do to check that your tire is inflated properly?
On your vehicle inspection test, you should use a tire gauge to check that your tire is inflated properly. [Page, 11--4. 11.2.4- Wheels, 11.2- External Inspection (All Vehicles), Section 11: Vehicle Inspection Test, CDL]