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Delaware
Delaware CDL Knowledge Test Class A 1
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Q.1
Submit
Mirrors should be checked:
Before every lane change.
When changing lanes, but only when other vehicles are nearby.
When changing lanes, but only if it is dark outside.
Q.2
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.3
Submit
If being tailgated, you should:
Increase your speed.
Increase the amount of space between your vehicle and the vehicle in front of you.
Make quick movements.
Q.4
Submit
Most heavy trucks with manual transmissions require ____ to change gears.
Single clutching
Double clutching
Triple clutching
Q.5
Submit
When conducting a vehicle inspection, you must show each of the following, except:
That the oil pressure gauge is working.
That the oil pressure warning light turns off, or that the gauge shows increasing or normal oil pressure.
That the oil temperature gauge, if equipped, rises to the normal operating range.
That the oil pressure gauge comes on when brakes are used.
Q.6
Submit
Stopping distance can be affected by:
Speed.
Temperature.
Time of day.
Traffic.
Q.7
Submit
In a vehicle with dual parking control valves, once air pressure is lost and the spring brakes come on:
You will be unable to move the vehicle.
A separate air tank can be used to release the spring brakes for a short period of time.
You can use the spring brakes to continue driving normally.
The air tanks will automatically refill to a safe air pressure level.
Q.8
Submit
When crossing railroad tracks, you should:
Stop on the tracks.
Change gears.
Try to pass.
Stay in your lane.
Q.9
Submit
What kind of force must emergency brakes use?
Air pressure
Mechanical
Heavy
Electrical
Q.10
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Failing to drain the tanks in an air brake system can result in:
Water freezing and causing brake failure.
Squishy brakes.
Too much air collecting.
Too much fuel being carried.
Q.11
Submit
An Anti-Lock Braking System (ABS):
Decreases your braking distance.
Increases your braking distance.
Creates a loud squeaking noise when being used.
Helps to ensure control while braking.
Q.12
Submit
When entering traffic on an expressway during the skills test, you should:
Check for traffic.
Not use signals.
Abruptly enter a lane of traffic.
Cut off other drivers if needed.
Q.13
Submit
Which of the following is not a cause of hydraulic brake failure?
Loss of hydraulic pressure
Brake fade on long hills
Downshifting
Q.14
Submit
When encountering fog, you will be safest if you:
Stay in the left lane.
Don’t drive in the fog.
Use your low beam lights.
Follow the vehicle ahead of you closely.
Q.15
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Eating while driving:
Is a good way to maximize time.
Is encouraged on long trips.
Creates a distraction for the driver.
Is mandatory so cargo is not left unsupervised.
Q.16
Submit
A cardboard box on the roadway:
Is not a cause for concern.
Is usually empty.
May contain a heavy object that could damage your vehicle.
Should be avoided by driving off the roadway.
Q.17
Submit
Which type of brakes do most heavy-duty vehicles have?
Air brakes
Solid brakes
Liquid brakes
Gravity brakes
Q.18
Submit
On trucks and buses, where are ABS malfunction lamps located?
On the driver’s door
On the instrument panel
On the outside of the vehicle by the passenger’s door
Under the hood
Q.19
Submit
If a traffic light has been green for a long time:
It will probably stay green as you approach.
It is likely broken.
It is likely that the light will soon change to yellow.
It is likely the light will skip yellow and change from green to red.
Q.20
Submit
Failing to drain air tanks could result in:
Water accumulations freezing and causing brake failure.
Squishy brakes.
Too much air collecting in the tanks.
Q.21
Submit
Which of the following indicates drowsy driving?
Eyes going out of focus by themselves
Having trouble keeping your head up
Drifting from lane to lane
All of the above
Q.22
Submit
If confronted by an aggressive driver, you should:
Try to get out of their way.
Avoid making eye contact.
Ignore their hand gestures.
All of the above.
Q.23
Submit
When asked to make a lane change during the driving test, you should:
Make the change as soon as the examiner asks, without looking.
Use your turn signal and change lanes when safe.
Make the lane change as quickly as possible, even if that means cutting off another driver.
Q.24
Submit
Which of the following is not a crime that would disqualify an applicant from a hazardous materials endorsement?
Kidnapping
Smuggling
Immigration violations
Speeding
Q.25
Submit
An encroachment is when:
A driver does not appear for their scheduled basic skills test.
A vehicle touches an exercise boundary line during the basic skills test.
A driver fails one section of the basic skills test.
Q.26
Submit
When using a turn signal, you should not:
Signal early.
Signal continuously.
Cancel the turn signal after completing the turn.
Allow the turn signal to stay on long after the turn has been completed.
Q.27
Submit
If you are confronted by an aggressive driver, you should:
Make eye contact with the driver.
Stay in the driver's lane.
Try to race the driver.
Ignore the driver's gestures.
Q.28
Submit
Front brake limiting valves were intended to:
Prevent the front tires from skidding.
Prevent the front tires from overheating.
Create equal brake usage.
Remove uncertainty when applying the brakes.
Q.29
Submit
If you are being tailgated, you should:
Drive on the shoulder.
Pull off the roadway.
Drive faster.
Allow the vehicle to pass.
Q.30
Submit
What is Gross Vehicle Weight (GVW)?
The total weight of a vehicle and its load
The total weight of a vehicle's tractor
The total weight of a loaded trailer
The weight of a tractor and trailer, before adding in the load
Q.31
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.32
Submit
One way to prevent hydroplaning on wet road surfaces is to:
Ensure that your tires have good tread depth.
Under-inflate your tires.
Drive faster than usual.
Q.33
Submit
A CMV should:
Not have a fire extinguisher, unless it is being used to transport hazardous materials.
Not have a fire extinguisher, unless it will be traveling through remote areas.
Have a fire extinguisher and other emergency equipment.
Q.34
Submit
If a load is 10 feet long, it should be secured by a minimum of:
One tie-down.
Two tie-downs.
Three tie-downs.
Q.35
Submit
When approaching a railroad crossing:
You will likely be able to outdrive a train.
You should not rely only on warning signals.
You should roll a window down to listen for an approaching train.
You should only worry about the track closest to your vehicle.
Q.36
Submit
When the brake pedal is pushed down, air brakes work:
Immediately.
After a short delay.
After about a minute.
Only if it is warm outside.
Q.37
Submit
Service brakes should:
Be tested once a month.
Only be tested by a trained mechanic.
Be tested before every trip.
Q.38
Submit
Which of the following is not an example of a distracted person that motorists should be worried about?
A driver talking to another person in a vehicle
Children on the side of the road
Construction workers on the side of the road
A person sitting on a bench waiting for a bus
Q.39
Submit
What is another name for front-end header boards?
Headache racks
Cargo stoppers
Head braces
Ballasts
Q.40
Submit
Dollies equipped with ABS are required to have malfunction lamps located where?
On the rear
On the left side
On the front
On the top
Q.41
Submit
When loading a trailer, weight should be:
Placed as high as possible.
Placed as low as possible.
Placed only on the left side, if possible.
Placed only on the right side, if possible.
Q.42
Submit
What do headers do?
Protect the driver during a crash
Provide a place for storage
Ensure that controls are accessible
Act as wind guards
Q.43
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When traveling down a hill:
Your speed will not change.
Your speed will decrease.
Your speed will increase.
You will slow to a stop.
Q.44
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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.45
Submit
Bracing is used to:
Make items stand taller in a trailer.
Prevent items from moving in a trailer.
Make it easier to unload items from a trailer.
Q.46
Submit
States verify that a CDL or CLP driver has only one such license by:
Making phone calls to surrounding states.
Using a computerized system that links all states.
Asking the driver.
Looking through the driver's wallet.
Q.47
Submit
When driving at night, you should do all of the following, except:
Make sure you are rested.
Make sure your glasses are clean.
Wear sunglasses.
Q.48
Submit
Too little weight on a steering axle can result in:
Poor traction.
Increased visibility.
Longer stopping distances.
Improved gas mileage.
Q.49
Submit
If an Anti-Lock Braking System (ABS) malfunctions:
The driver will not know.
A yellow lamp will light up on the control panel.
The brakes will lock up.
The brakes will not work.
Q.50
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.
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