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Texas
Texas CDL Knowledge Test Class A 1
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Q.1
Submit
When inspecting underneath your vehicle for leaking fluids, you must look for all the following, except:
Fresh oil.
Coolant.
Grease.
Windshield wiper fluid.
Q.2
Submit
A stopped bus:
Is not a cause for concern.
Is not a concern if passengers are not unloading.
Should not be on the roadway.
Is a concern, whether passengers are visible or not.
Q.3
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To make it as safe as possible to leave a stop, you should park:
So that you must back up to leave your parking space.
So that you can pull forward to leave your parking space.
On the side of a roadway, not in a parking lot.
By backing into a parking space.
Q.4
Submit
An air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately ____ to come to a complete stop.
100 feet
250 feet
300 feet
450 feet
Q.5
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Foundation brakes are used:
Only at the front wheels.
Only at the rear wheels.
Only at the driver’s side wheels.
At each wheel.
Q.6
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During a pre-trip inspection, what is the best method for checking your lights?
Parking near a mirror to look for a reflection
Activating the lights, then exiting the vehicle to check
Looking on the instrument panel to see if any warning lights are illuminated
Driving in traffic and waiting for other drivers to let you know your lights are out
Q.7
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When inspecting the exhaust system for defects, which of the following should be fixed?
Missing mounting brackets or clamps
A broken exhaust pipe, muffler, or tailpipe
Leaking exhaust system parts
All of the above
Q.8
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Where is the safety relief valve usually located?
Near the rear brake
Near the front brake
In an air tank
On the dashboard
Q.9
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A vehicle should be equipped with all of the following, except:
A fire extinguisher.
Spare electrical fuses.
Warning devices for parked vehicles, such as flares.
A spotlight.
Q.10
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A driver should always:
Stay in the right lane.
Have an emergency plan.
Stay in the left lane.
Drive above the speed limit.
Q.11
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What can happen if a parking brake is used in very wet weather when temperatures are below freezing?
The brakes will squeak.
The brakes may freeze so the vehicle cannot move.
The brakes may suddenly release by themselves.
The brakes may explode.
Q.12
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Which type of brakes do most heavy-duty vehicles have?
Air brakes
Solid brakes
Liquid brakes
Gravity brakes
Q.13
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To help your vehicle be seen by others:
Headlights should be clean.
Headlights should be turned off during the day.
Headlights should be covered with grease.
Headlights should only be used in the rain.
Q.14
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The service brake system:
Applies and releases the brakes when you press the brake pedal while driving normally.
Applies and releases the parking brakes.
Applies and releases the emergency brake.
Applies and releases the axle brake.
Q.15
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When driving down a steep grade, your brakes may fade. What happens if brakes fade?
They become quieter.
They become less effective.
They work better than usual.
They work differently from front to back.
Q.16
Submit
When taking the basic vehicle control skills test:
Points are deducted for each pull-up.
A driver is allowed three pull-ups per maneuver.
A pull-up will earn points only if the driver gets out of the vehicle before pulling up.
Only an excessive number of pull-ups will be counted as errors.
Q.17
Submit
When inspecting the exhaust system, which of the following should not cause concern?
Loose or broken exhaust pipes
Loose or broken mounting brackets
Leaking exhaust system parts
Exhaust system parts that are not rubbing against fuel system parts
Q.18
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You will lose your CDL for at least ____ for a first railroad-highway grade crossing violation.
15 days
30 days
60 days
180 days
Q.19
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How much water is needed on a road surface for a vehicle to hydroplane?
Usually several inches
A good amount, such as a large puddle
A small amount
No water
Q.20
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When starting the vehicle during the pre-trip inspection, the coolant temperature should:
Decrease.
Rise slowly.
Hold steady.
Jump quickly.
Q.21
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If you are being tailgated, you should:
Drive on the shoulder.
Pull off the roadway.
Drive faster.
Allow the vehicle to pass.
Q.22
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To correct a drive-wheel braking skid, a driver should do all of the following, except:
Remove your foot from the brake pedal.
Turn quickly in the direction of the skid.
Countersteer after the vehicle is back on course.
Accelerate.
Q.23
Submit
When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:
Stop harder than you would in a vehicle not equipped with ABS.
Use extra braking force to ensure the ABS kicks in.
Brake as you would in a vehicle not equipped with ABS.
Brake with less force than you would in a vehicle not equipped with ABS.
Q.24
Submit
Brakes may get out of adjustment:
If they are too hot.
In colder weather.
If they are used.
If they get wet.
Q.25
Submit
Which of the following is not an indication of damaged brakes?
Cracked drums
Shoes with oil or grease on them
Shoes worn thinly
Pads free of oil or grease
Q.26
Submit
During the basic vehicle control skills test:
A pull-up always counts against the applicant.
A pull-up should be completed at least once.
Stopping without changing direction is not considered a pull-up.
Excessive pull-ups are acceptable in the opinions of some test administrators.
Q.27
Submit
Improperly loaded cargo can:
Look bad to others on the road.
Injure the driver during a quick stop.
Make it easier to stop.
Aid in safety.
Q.28
Submit
Spring brakes come on:
When too much air pressure is lost.
When a control on the dashboard is activated.
When the tires have minimal tread depth.
When the brakes are noisy.
Q.29
Submit
If you require a hazardous materials endorsement, you will be required to:
Submit your fingerprints.
Submit your fingerprints and will be subject to a background check.
Submit your fingerprints, but only if you have had a traffic violation within the previous three years.
Submit to a background check, but only if you have had a traffic violation within the previous three years.
Q.30
Submit
Which of the following is a good rule to follow when making a turn?
Honk your horn.
Use your arms to get the attention of other drivers.
Turn off your turn signal before entering the turn to avoid confusing other drivers.
Signal early.
Q.31
Submit
Hydraulic brakes can fail due to:
A loss of pressure.
Cold weather.
Driving uphill for long periods of time.
Grooves in the roadway.
Q.32
Submit
After traveling under an overpass during the driving skills test, you may be asked to recall:
The posted clearance.
The posted weight limit.
The width of the opening.
If there was a shoulder near the roadway.
Q.33
Submit
How should you test the low pressure warning signal?
Engage and disable the parking brake.
Rapidly press and release the brake pedal.
Open the rear shut-off valves.
Uncouple and recouple all glad hands.
Q.34
Submit
A distracted driver:
Usually reacts well to hazards.
Usually has slowed perception.
Is usually aware of what is happening around them.
Is a good person to follow.
Q.35
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The suspension system:
Holds up the vehicle and its load.
Keeps the load the proper distance behind the driver’s compartment.
Maintains a safe distance between the vehicle and other vehicles.
Lightens the load for the tires.
Q.36
Submit
When preparing to drive in the winter, be sure to check:
The coolant level.
The defrosting and heating equipment.
The windshield wipers.
All of the above.
Q.37
Submit
If a truck's Anti-Lock Braking System (ABS) is not working:
The truck will not have any brakes.
The truck should be driven only at slow speeds.
The truck will still have brakes.
The truck will lack brakes on its left side.
Q.38
Submit
When approaching your vehicle, you should ensure that:
The vehicle is shiner than others.
The vehicle is not parked too closely to other vehicles.
There are not puddles under the vehicle that indicate a leak.
The vehicle is parked properly.
Q.39
Submit
What is sleep debt?
When you fall behind on sleep
When you want to take a nap
Excess sleep
The amount of time it takes to get ready to drive after sleeping
Q.40
Submit
When it is difficult for others to see your vehicle, such as at dawn or dusk, you can help other drivers by:
Keeping your lights off.
Turning your lights on.
Driving on the shoulder.
Waving an arm out the window.
Q.41
Submit
Which of the following is not a crime that would disqualify an applicant from a hazardous materials endorsement?
Arson
Dishonesty
Robbery
Littering
Q.42
Submit
On a truck with air brakes, the braking system’s air compressor:
Pumps air into the air storage tanks.
Fills the tires.
Moves air to the back of the truck.
Cleans the brakes.
Q.43
Submit
A driver can have:
Two licenses, one for automobiles and one for trucks.
Only one license.
A license for each state in which they plan to drive.
An automobile license from one state and a CDL from another.
Q.44
Submit
In a dual air brake system, a leak in one system:
Always means there are leaks in both systems.
May not affect the other system.
Is not something to worry about.
Will also affect the other system.
Q.45
Submit
If carrying a heavy load that is slowing you down, you should:
Drive in the left lane.
Drive in the right lane.
Drive on the shoulder.
Keep the vehicle in second gear.
Q.46
Submit
Which of the following is most likely to result in hydroplaning?
Using tires with worn tread
Using properly inflated tires
Using new tires
Traveling at speeds under 10 mph
Q.47
Submit
When making tight maneuvers, it is important for a driver to:
Open the door for a better look.
Use their mirrors.
Flash their headlights.
Open their cargo door.
Q.48
Submit
Move over laws require:
Trucks to use the left lane.
All vehicles to vacate the lane closest to an emergency vehicle that is stopped with its lights flashing.
All vehicles to use the left lane.
All vehicles to move to the left lane if a flatbed trailer is in the right lane.
Q.49
Submit
If you must drive in reverse, it is helpful to:
Drive as fast as possible and get it over with.
First exit the truck and walk the path to look for obstacles.
Use only the passenger side mirror.
Stick your head out the window and look backward.
Q.50
Submit
When driving, your mirrors should:
Not be used, as they are distracting.
Not be used unless there is traffic.
Be checked regularly.
Be checked regularly, but only if it is cloudy.
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