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Colorado CDL Practice Test
Practice mode
Question
1
of 25
QUESTION 1 / 25
What can cause a vehicle fire after an accident?
Choose one answer below.
A
Loose tire pressure
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B
Spilled fuel
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C
Cold weather
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D
Overloaded cargo
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QUESTION 2 / 25
What is a fundamental reason for maintaining secure loads in commercial transportation?
Choose one answer below.
A
To comply with legal requirements only
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B
To enhance fuel efficiency
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C
To prevent accidents and protect other road users
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D
To increase cargo space
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QUESTION 3 / 25
Which of the following is a prohibited action regarding towing a vehicle?
Choose one answer below.
A
Towing with the hazard lights on
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B
Pushing a disabled bus with riders on board
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C
Using heavy-duty straps for towing
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D
Informing passengers about towing procedures
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QUESTION 4 / 25
Which of the following reflects a safety measure for bus drivers?
Choose one answer below.
A
Encouraging passengers to board quickly
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B
Holding a meeting with passengers before the drive
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C
Avoiding refueling with riders present
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D
Encouraging cell phone use for communication
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QUESTION 5 / 25
What type of extinguisher is suitable for electrical equipment fires?
Choose one answer below.
A
Water-based extinguishers
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B
Dry chemical extinguishers
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C
Foam extinguishers
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D
Wet chemical extinguishers
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QUESTION 6 / 25
What is the name of the test that assesses a driver's ability to handle larger vehicles?
Choose one answer below.
A
Road test
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B
Skills test
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C
Driving evaluation
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D
Vehicle assessment
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QUESTION 7 / 25
Which characteristic is vital for safe driving in heavy traffic?
Choose one answer below.
A
High speed to stay ahead
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B
Strong visual awareness of the surroundings
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C
Minimal reaction time
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D
Use of advanced technology
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QUESTION 8 / 25
What should you avoid doing when managing space behind you?
Choose one answer below.
A
Speeding up
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B
Turning on your taillights
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C
Changing lanes frequently
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D
Using your headlights
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QUESTION 9 / 25
What is an essential step before loading your vehicle for transport?
Choose one answer below.
A
Check tire pressure
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B
Ensure the load is properly secured
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C
Inspect the engine
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D
Complete a trip inspection
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QUESTION 10 / 25
What type of emergency equipment must a vehicle have?
Choose one answer below.
A
Fire extinguishers and spark plugs
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B
Warning devices and spare electrical fuses
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C
First aid kit and water
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D
None of the above
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QUESTION 11 / 25
What should be done in order to care for the injured after an accident?
Choose one answer below.
A
Ensure they are comfortable and warm
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B
Move them to the nearest hospital
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C
Perform CPR immediately regardless of conditions
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D
Leave them unattended for safety reasons
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QUESTION 12 / 25
What is a critical consideration when crossing railroad tracks?
Choose one answer below.
A
You should always shift gears while crossing
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B
You must not slow down during the crossing
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C
Not slowing down could cause you to get hung up on the tracks
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D
You should only stop if a train is approaching
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QUESTION 13 / 25
Which type of CDL endorsement is required to drive school buses?
Choose one answer below.
A
P endorsement
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B
S endorsement
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C
A endorsement
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D
B endorsement
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QUESTION 14 / 25
What is an important consideration when fueling a vehicle to prevent fire?
Choose one answer below.
A
Fueling should be done with the engine running
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B
Driver should refrain from smoking
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C
Fueling should only happen at night
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D
Fueling is safer with doors open
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QUESTION 15 / 25
How often should you check your cargo during a trip?
Choose one answer below.
A
Every 50 miles
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B
Every 150 miles
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C
Every 3 hours
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D
Any of the above depending on the situation
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QUESTION 16 / 25
What is a safe following distance at highway speeds?
Choose one answer below.
A
Two seconds behind the vehicle in front
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B
One second behind the vehicle in front
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C
Four seconds behind the vehicle in front
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D
Three seconds behind the vehicle in front
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QUESTION 17 / 25
How should a driver approach a hill while driving a loaded truck?
Choose one answer below.
A
Accelerate before reaching the hill
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B
Slow down and shift to a lower gear before going downhill
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C
Maintain a steady speed throughout
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D
Use the brake heavily until halfway down
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QUESTION 18 / 25
What should a driver do when approaching a roundabout?
Choose one answer below.
A
Speed up to merge quickly
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B
Slow down and yield to traffic already in the roundabout
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C
Stop and wait for all traffic to clear
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D
Follow the road markers without slowing down
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QUESTION 19 / 25
What action should be taken when encountering an emergency vehicle with flashing lights?
Choose one answer below.
A
Move to the right and stop if it’s safe to do so
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B
Ignore the emergency vehicle
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C
Speed past the emergency vehicle
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D
Honk your horn to alert them
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QUESTION 20 / 25
When is it inappropriate to drive with your high beams on?
Choose one answer below.
A
When traveling on highways
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B
When approaching another vehicle or in populated areas
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C
When driving in clear weather
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D
When driving at night only
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QUESTION 21 / 25
What vehicle weight must be exceeded to require a Class A CDL?
Choose one answer below.
A
10,000 pounds
✓
B
20,000 pounds
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C
26,000 pounds
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D
30,000 pounds
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QUESTION 22 / 25
What is the first step in accident procedures?
Choose one answer below.
A
Care for the injured
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B
Notify the authorities
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C
Protect the area
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D
Move vehicles out of the way
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QUESTION 23 / 25
When using ABS, how should braking be adjusted?
Choose one answer below.
A
Braking should be harder than usual
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B
Braking should be lighter than usual
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C
Braking should be the same as always
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D
Braking should be erratic
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QUESTION 24 / 25
What is the primary focus of shifting your attention while driving?
Choose one answer below.
A
Forward-only focus
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B
Back and forth, near and far
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C
Only to the side mirrors
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D
Only to the rearview mirror
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QUESTION 25 / 25
What is the minimum number of tie-downs that should secure any load?
Choose one answer below.
A
1
✓
B
2
✓
C
3
✓
D
4
✓
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