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Kentucky
Kentucky CDL Knowledge Test Class A 2
Answers
Q.1.
When pulled off on the side of the road:
A driver should keep the driver’s side door open.
A driver should turn on the emergency flashers.
The driver should wave their arms.
Q.2.
You should specifically look out for black ice:
When it is snowing.
When the temperature is below freezing and the road looks wet.
When the temperature is above freezing and there is snow on the ground.
Q.3.
If your vehicle is hydroplaning, you should:
Accelerate.
Not use the brakes.
Put the vehicle in reverse.
Q.4.
Applicants seeking a hazardous materials endorsement must pass a threat assessment through which agency?
The TSA
The FBI
The CIA
Q.5.
When turning, you should:
Signal before the turn.
Turn off your turn signal just before starting the turn.
Signal only if vehicles are in front of you.
Q.6.
If exiting a bus, a driver must:
Never make contact with the handrail.
Maintain contact with the handrail.
Move quickly.
Q.7.
Hanging meat:
Should never be transported by trailer.
Can be an unstable load.
Must be approved by the Environmental Protection Agency (EPA).
Q.8.
An after-trip inspection should be done:
Once a week.
Once a month.
After every trip.
Q.9.
Broken suspension parts:
Should be repaired immediately.
Should be repaired, but not immediately.
Cannot be identified.
Q.10.
Friction in an S-cam brake is caused when the brake shoes and linings:
Press against the outside of the brake drum.
Press against the inside of the brake drum.
Push against each other.
Q.11.
The Individual Vehicle Distance Record (IVDR) does not need to include which of the following?
Trip origin
Vehicle Identification Number
Number of meals eaten by the driver
Q.12.
When loading a trailer, weight should be:
Placed as high as possible.
Placed as low as possible.
Placed as far to the left as possible.
Q.13.
Cargo should be covered:
To protect people from spillage.
To hide the materials.
To make it more difficult to steal.
Q.14.
If you are turning left at an intersection where there are two available turn lanes:
It is best to use the right lane.
It doesn’t matter which lane you use.
It is best to use the left lane.
Q.15.
During the driving test, when encountering a railroad crossing, you should:
Pass another vehicle on the tracks if the other vehicle is going too slow.
Get out of the vehicle to check for a train.
Not change gears while your vehicle is on the tracks.
Q.16.
Why should the steps of a pre-trip inspection be done in the same order each time?
Because you will be less likely to forget to check something
Because it will be faster
Because it is required by law
Q.17.
When loading a trailer, the heaviest cargo should be placed:
On top of the lightest parts of the cargo.
Under the lightest parts of the cargo.
At the rear of the trailer.
Q.18.
If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:
Test the brakes while driving, but continue driving if nothing seems wrong.
Immediately stop driving.
Drive with the hazard lights activated.
Q.19.
When backing with a trailer, you should begin by:
Turning the steering wheel in the direction of the turn.
Turning the steering wheel in the direction opposite of the turn.
Turning the wheel as sharply as possible.
Q.20.
For a hazardous materials endorsement, an applicant will be required to:
Provide their fingerprints and undergo a background check.
Provide employment history from the last five years.
Provide a list of countries visited within the last 10 years.
Q.21.
If your brakes fail when traveling downhill, decide what to do as quickly as possible because:
The longer you wait, the faster your vehicle will go.
The longer you wait, the more vehicles will get out of your way.
The longer you wait, the slower your vehicle will go.
Q.22.
When it is difficult to see and you are traveling near other drivers, you should:
Use high beam lights.
Use low beam lights.
Use only the clearance lights.
Q.23.
In a dual air brake system:
Air tanks are shared between both systems.
Each system has its own air tanks.
You must designate which system you are using.
Q.24.
Distracted driving:
Is not a concern.
Only occurs as a result of people who are physically doing something while driving.
Can occur as a result of mental activities, such as daydreaming.
Is encouraged on uncrowded roads.
Q.25.
During a basic vehicle controls skills test exercise, your vehicle's final position should be:
In the general area that was described by the examiner.
In the exact final position described by the examiner.
Within three feet of the final position described by the examiner.
Q.26.
Alcohol can be removed from your system:
By exercising.
By drinking coffee.
By waiting.
Q.27.
Using an Anti-Lock Braking System (ABS):
Is required in some states.
Shortens brake response time.
Provides additional control.
Q.28.
If unable to tell if the road is becoming icy and slippery, a driver:
Should try guessing.
May open their window and feel the front of the side mirror for ice.
Should look at the road closely.
Q.29.
Driving at night is usually:
More difficult than driving during the day.
Simpler than driving during the day.
Discouraged.
Q.30.
An air compressor governor controls:
When the air compressor pumps air into the air storage tanks.
How fast air is pumped into the air storage tanks.
The temperature of the air pumped into the air storage tanks.
Q.31.
Regrooved tires:
Should not be used on any vehicle.
Should not be used on the front of a bus.
Should not be used on trucks hauling gravel.
Q.32.
Unsafely reaching for a phone is:
Acceptable if you are driving without a passenger.
Acceptable if you plan to use a hands-free feature.
Unacceptable even if you plan to use a hands-free feature.
Q.33.
When approaching your vehicle as part of your pre-trip inspection, you should look for what as a sign of trouble?
A puddle of oil under the vehicle
Inflated tires
Lug nuts that look tight
Q.34.
Foundation brakes are used:
Only on the front wheels of a vehicle.
Only on the rear wheels of a vehicle.
On each wheel of a vehicle.
Q.35.
When stopping, the brake pedal should be:
Pressed down gradually.
Pressed down quickly.
Pressed down repeatedly, but not held down continuously.
Q.36.
What is reaction distance?
The distance you will travel between realizing you must brake and when you physically hit the brakes
The distance you will travel between a hazard becoming visible and you seeing the hazard
The distance you will travel between seeing a hazard and realizing you must brake
Q.37.
Some air brake systems introduce alcohol into the system to:
Make the brakes work without squeaking.
Prevent ice from forming in the brake system.
Prevent people from breathing the air from the system.
Q.38.
If you have an engine fire, you should:
Open the hood as soon as possible.
Turn off the engine as soon as possible.
Not use a fire extinguisher.
Q.39.
Of the following, which is the most slippery surface?
Ice that is dry
Ice that is wet
Wet pavement
Q.40.
A pre-trip inspection should include:
A check of the engine oil level.
Removing coolant.
Washing the tire rims.
Q.41.
If the safety relief valve in the air brake system releases air:
The compressor needs more air.
The air pressure has become too high.
The brakes are fully operational.
Q.42.
Steering wheel play should be no more than:
10 degrees.
50 degrees.
75 degrees.
Q.43.
Emergency equipment, such as fire extinguishers, are:
Only needed in vehicles transporting hazardous materials.
Only needed for interstate travel.
Required in all commercial motor vehicles.
Q.44.
When driving a truck requiring a CDL:
You do not need to wear a seat belt.
You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo.
You must always wear a seat belt.
Q.45.
Poisonous fumes can enter a cab due to:
A defective exhaust system.
Using the wrong type of fuel.
A lack of oil in the engine.
Q.46.
Placards should be used:
Any time a vehicle is carrying hazardous materials.
When there is extra space on a truck.
Only when the amount of hazardous materials on a truck exceeds 200 pounds.
Q.47.
Why do large vehicles use air brakes?
Other brake systems squeak too loudly.
Air brakes are very effective systems.
Other braking systems are hard to come by.
Q.48.
When conducting a pre-drive inspection:
The inspection report is not important.
The inspection report must only be reviewed if there will be passengers in the vehicle.
The previous inspection report should be reviewed, if applicable.
Q.49.
The leading factor resulting in death and injury in work zones is:
Speeding.
Stopping.
Under-inflated tires.
Q.50.
After a vehicle is started, warning lights and buzzers:
Should stay on for several minutes.
Should turn off within a few seconds.
Should stay on until manually turned off.
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