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Texas CDL Knowledge Test Class B 2
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Q.1
Submit
If federal inspectors judge your vehicle to be unsafe, they can:
Bring you to a garage to have your vehicle fixed.
Formerly request that you have your vehicle's problems fixed.
Call a mechanic.
Pull the vehicle out-of-service until it is fixed.
Q.2
Submit
When testing a parking brake, the vehicle should:
Not be running.
Be placed in a low gear while the driver attempts to pull forward.
Be inspected by a professional mechanic.
Be driven while the parking brake is applied.
Q.3
Submit
When starting the engine as part of the pre-trip inspection, the driver should:
Listen for unusual noises.
Rev the engine.
Turn up the radio.
Turn on the heater.
Q.4
Submit
Anti-Lock Braking Systems (ABS):
Reduce normal braking capacity.
Are equipped in addition to other braking systems and do not reduce normal braking power.
Are not effective on larger vehicles.
Are illegal in some states.
Q.5
Submit
If your truck or trailer catches fire, you should:
Park in a congested area near trees.
Pull into a service station.
Park near other vehicles.
Park in an open area.
Q.6
Submit
Sending text messages while driving:
May be done if the messages are short.
Is encouraged.
Is permitted if you are asking a question of your employer.
Is not permitted.
Q.7
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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.8
Submit
During a vehicle inspection, ensure that the landing gear is:
Retracted.
Fully raised.
More worn on the passenger's side than on the driver's side.
Well lit.
Q.9
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When inspecting a power steering-equipped vehicle, you should be sure that:
The fluid is at the proper level.
The hoses are connected to the battery.
The hoses do not contain any fluid.
Only small leaks are present.
Q.10
Submit
Friction inside a brake drum is caused when the brake shoes and linings:
Push against each other.
Separate from the axle.
Push against the inside of the drum.
Create excess heat.
Q.11
Submit
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.12
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If braking at a speed of 55 mph while driving on dry pavement, the brake lag can add ____ to your vehicle's total stopping distance.
32 feet
15 feet
50 feet
10 feet
Q.13
Submit
Why are roads especially slippery right after it begins to rain?
The water mixes with oil and grease on the road.
Roads are naturally slippery.
Gravel often gets washed to the middle of the lane.
Tires are not usually designed to drive in rain.
Q.14
Submit
How should you check your hydraulic brakes?
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should not move.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should slowly move toward the floor.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should slowly rise.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should be easy to push to the floor.
Q.15
Submit
When you need to brake, how can you warn drivers behind you?
Tap on the brakes a couple of times.
Stick your arm out the window.
Swerve within your lane.
Change lanes.
Q.16
Submit
Poisonous fumes can enter the cab due to:
A defective exhaust system.
The wrong type of fuel being used.
A lack of oil in the engine.
Under-inflated tires.
Q.17
Submit
Loading cargo onto a vehicle:
Must be done by the driver.
May be done by a person other than the driver, and they become responsible for the safety of the cargo.
May be done by a person other than the driver, but the driver is responsible for the safety of the cargo.
Must be done by a professional loader.
Q.18
Submit
Don't spend too much time looking at a single mirror because:
Conditions can change quickly.
Looking at mirrors can make you drowsy.
It can result in you driving a long distance without looking at the road.
The mirror may not provide an accurate view of the road.
Q.19
Submit
What kind of force must emergency brakes use?
Air pressure
Mechanical
Heavy
Electrical
Q.20
Submit
If a vehicle has air brakes, the air compressor drive belt should be checked before each drive. The belt should be:
Loosely attached.
Tight.
Cracked.
Frayed.
Q.21
Submit
If hydraulic brakes fail, a driver can reduce their speed by:
Shifting into a higher gear.
Shifting into a lower gear.
Finding a hill.
Letting the truck run out of gas.
Q.22
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.
Q.23
Submit
Which of the following surfaces provides the least amount of traction?
Ice that is dry
Ice that is wet
Wet pavement
Dry pavement
Q.24
Submit
During a static leakage test, the maximum leakage rate for a double combination vehicle is:
3 psi in one minute.
6 psi in one minute.
8 psi in one minute.
4 psi in one minute.
Q.25
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.26
Submit
Driving at night is:
Safer than driving during the day.
Just as safe as driving during the day.
More dangerous than driving during the day.
Discouraged.
Q.27
Submit
Which of the following is not a good way to reduce crashes when turning right?
Turn slowly.
Keep the tail end close to the curb.
Keep an eye on oncoming traffic.
Allow open space on your right side.
Q.28
Submit
Which type of brakes do most heavy-duty vehicles have?
Air brakes
Solid brakes
Liquid brakes
Gravity brakes
Q.29
Submit
Once stopped as a part of the stop/start maneuver, you should:
Use the four-way flashers.
Not use the four-way flashers because it is just a test, not an emergency.
Leave the vehicle in first gear.
Park in front of a fire hydrant.
Q.30
Submit
When steering to avoid a crash, you should:
Only use one hand to steer.
Keep both hands on the steering wheel.
Not use your mirrors to check other lanes.
Speed up as you get nearer to the hazard.
Q.31
Submit
When carrying a sealed load, the driver:
Should inspect the contents.
Should ensure the weight of the cargo does not violate weight limits.
Must go through each container.
Should unseal the load to ensure safety.
Q.32
Submit
The brake pedal is part of which braking system?
The service brake system
The parking brake system
The emergency brake system
The auxiliary brake system
Q.33
Submit
What is black ice?
A thick layer of ice on the road
A thin layer of ice on the road
Ice that is black from debris on the road
Ice that is easily seen
Q.34
Submit
A burning tire should be:
Cooled with water.
Fanned with a blanket.
Cut up with an axe.
Covered with a tarp.
Q.35
Submit
If unsure if a road is becoming icy, a driver can:
Guess.
Open the window and check the front of the mirror for ice.
Try to look at the road closely.
Look at a weather forecast.
Q.36
Submit
When preparing to enter traffic, you should do all of the following, except:
Wait for a large gap between vehicles.
Be prepared for your vehicle to accelerate slowly, especially if it is loaded.
Make sure you can completely cross traffic, if necessary, without interfering with traffic.
Assume other drivers will make room for your much larger vehicle.
Q.37
Submit
To best reduce the distractions of a cell phone, you should:
Stay on a single call for an entire trip.
Turn the phone off before driving.
Only us the phone to accept incoming calls.
Use the phone to text rather than talk.
Q.38
Submit
Most heavy-duty vehicles use ____ air brake systems.
Single
Dual
Triple
Quad
Q.39
Submit
When exiting your vehicle, you:
Must maintain four points of contact with the vehicle.
May turn to face the road before your exit is complete.
Must be facing away from the vehicle.
Must be facing the vehicle.
Q.40
Submit
During the skills test, if making a turn that requires a stop, you should:
Skid to a stop.
Stop after the stop line to get a better view.
Allow your vehicle to roll.
Keep the front wheels aimed straight ahead.
Q.41
Submit
During the basic control skills test, you can acquire points by:
Crossing over an exercise boundary.
Pulling up one time.
Exiting the vehicle one time to check your positioning.
Setting the parking brake.
Q.42
Submit
If coolant has to be added to a system without a recovery tank, you should:
Keep the vehicle running while adding coolant.
Open the radiator cap quickly.
Not use gloves to touch the radiator cap.
Wait for the engine to cool before adding coolant.
Q.43
Submit
Extremely hot temperatures can cause:
Tire failure.
A trailer to disengage.
Lights to malfunction.
Increased gas mileage.
Q.44
Submit
Which of the following is not a backing maneuver that you will be asked to perform during the basic control skills test?
Straight line backing
Offset back/right
Offset back/left
Blind offset
Q.45
Submit
How is the parking brake released?
By tapping the brake pedal three times
By pushing in the brake control knob
By starting the vehicle
By tapping the accelerator twice
Q.46
Submit
What is Gross Vehicle Weight (GVW)?
The total weight of a vehicle and its cargo
The total weight of a vehicle before cargo
The total weight of cargo
The maximum weight allowed to be transported by a vehicle
Q.47
Submit
What is the penalty for operating a CMV that is placarded for hazardous materials while you are under the influence of alcohol?
Losing your CDL for three months
Losing your CDL for six months
Losing your CDL for one year
Losing your CDL for three years
Q.48
Submit
To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
Set the control to normal.
Set the control to the off position.
Set the control to neutral.
Keep the control at the halfway mark.
Q.49
Submit
When carrying a wide load, you should:
Drive as fast as possible.
Obtain special permits and follow special rules.
Honk at other drivers to get them to move from the lane closest to you.
Drive on the shoulder.
Q.50
Submit
Air tank drains:
Allow rain water to enter the tank.
Are used to drain water and compressor oil from the air tank.
Should never be opened.
Must remain open during transit.
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