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Florida CDL General Knowledge Practice Test
Practice mode
Question
1
of 25
QUESTION 1 / 25
Which of the following is a sign of a malfunctioning suspension system?
Choose one answer below.
A
Stability during driving
✓
B
Leaking from air suspension
✓
C
Normal handling
✓
D
No unusual noises
✓
QUESTION 2 / 25
Is it true that front wheel brakes are good to use under all conditions?
Choose one answer below.
A
True
✓
B
False
✓
C
Avoid usage in adverse conditions
✓
D
Only effective in dry weather
✓
QUESTION 3 / 25
What is the best practice for dealing with a breakdown on the road?
Choose one answer below.
A
Continue driving until reaching a service area
✓
B
Activate your engine and drive slowly to a safer location
✓
C
Pull off the roadway, activate your hazard lights, and call for assistance
✓
D
Stop immediately and wait for help in the driving lane
✓
QUESTION 4 / 25
Does coffee and fresh air effectively sober up a drinker?
Choose one answer below.
A
True
✓
B
False
✓
C
Only in small amounts
✓
D
It helps, but is not reliable
✓
QUESTION 5 / 25
Which condition increases the risk of encountering black ice?
Choose one answer below.
A
Bright sunlight
✓
B
Cold temperatures in the evening
✓
C
Heavy rain
✓
D
Warm summer days
✓
QUESTION 6 / 25
What should you do if you encounter an aggressive driver?
Choose one answer below.
A
Engage in a verbal confrontation to resolve the issue
✓
B
Speed up to avoid them
✓
C
Avoid confrontations, stay calm, and try to get out of their way
✓
D
Signal them to follow you to a police station
✓
QUESTION 7 / 25
What should you do if you encounter fog while driving?
Choose one answer below.
A
Turn on high beam headlights
✓
B
Reduce speed and use low beam headlights
✓
C
Keep going at normal speed
✓
D
Pull over to the side of the road
✓
QUESTION 8 / 25
What techniques can help mitigate the risk of rollovers?
Choose one answer below.
A
Driving faster to pass curves
✓
B
Proper load management and maintaining appropriate speed when turning
✓
C
Avoiding highways
✓
D
Using wider tires
✓
QUESTION 9 / 25
How far ahead should you look while driving a commercial vehicle?
Choose one answer below.
A
At least 10-15 feet
✓
B
At least one block ahead
✓
C
At least 1-2 seconds of travel time
✓
D
At least 15-20 seconds
✓
QUESTION 10 / 25
How frequently should a commercial driver take a rest break?
Choose one answer below.
A
Every 5 hours
✓
B
Every hour on the hour
✓
C
Every 2 hours or 100 miles driven
✓
D
Once a shift
✓
QUESTION 11 / 25
How often should a driver take a break on long trips?
Choose one answer below.
A
Every hour
✓
B
Every 2-3 hours or as needed
✓
C
Every 5 hours
✓
D
Only when feeling tired
✓
QUESTION 12 / 25
What factors contribute to poor traction in vehicles?
Choose one answer below.
A
Heavy loads and high speeds
✓
B
Under-loaded front axles and wet roads
✓
C
Incorrect tire pressure and low fuel levels
✓
D
Worn brakes and faulty steering
✓
QUESTION 13 / 25
When driving a tractor-trailer combination with ABS, how should you brake?
Choose one answer below.
A
Use light tapping on the brake pedal
✓
B
Apply brakes gently and steadily
✓
C
Use normal braking procedures
✓
D
Engage the trailer brake only
✓
QUESTION 14 / 25
How can you test hydraulic brakes for leaking?
Choose one answer below.
A
Press and release the pedal quickly
✓
B
Pump the brake pedal and hold pressure
✓
C
Check brake fluid level only
✓
D
Listen for brake noises
✓
QUESTION 15 / 25
How do you determine if a trailer is equipped correctly for a load?
Choose one answer below.
A
By visual inspection only
✓
B
Checking the manufacturer's specifications for load capacity and hauling requirements
✓
C
Asking a friend for advice
✓
D
Using a measurement tool
✓
QUESTION 16 / 25
Which action should be taken when following another vehicle at a safe distance?
Choose one answer below.
A
Decrease speed abruptly
✓
B
Maintain a close gap
✓
C
Keep a steady speed
✓
D
Signal continuously
✓
QUESTION 17 / 25
How should one respond if they start to hydroplane?
Choose one answer below.
A
Accelerate to regain control
✓
B
Steer gently in the direction of the skid
✓
C
Brake hard to stop the vehicle
✓
D
Turn off the engine
✓
QUESTION 18 / 25
How should you respond if a vehicle is tailgating you?
Choose one answer below.
A
Speed up to get away from them
✓
B
Brake suddenly to alert them
✓
C
Maintain a safe speed and allow them to pass when safe to do so
✓
D
Change lanes frequently to confuse them
✓
QUESTION 19 / 25
What is the correct way to handle a merging situation?
Choose one answer below.
A
Stop and wait for a gap in traffic
✓
B
Accelerate to match the speed of traffic and merge safely
✓
C
Merge quickly without checking your mirrors
✓
D
Yield to incoming traffic regardless of speed
✓
QUESTION 20 / 25
What should be done to properly handle a downhill slope in a large vehicle?
Choose one answer below.
A
Increase speed to maintain momentum
✓
B
Use engine braking and proper gear
✓
C
Coast down without using any brakes
✓
D
Apply brakes frequently for control
✓
QUESTION 21 / 25
How should you react if you encounter an emergency vehicle on the road?
Choose one answer below.
A
Accelerate to pass quickly
✓
B
Yield the right of way and move to the right side of the road
✓
C
Continue driving as if nothing has happened
✓
D
Ignore the emergency vehicle
✓
QUESTION 22 / 25
What is the proper way to secure a load to prevent shifting?
Choose one answer below.
A
Leave it unsecured
✓
B
Use tie-downs, straps, or other securement devices
✓
C
Only use ropes
✓
D
Use a tarp
✓
QUESTION 23 / 25
How can you identify if your vehicle is equipped with antilock brakes (ABS)?
Choose one answer below.
A
It will have red malfunction lamps
✓
B
It will have yellow malfunction lamps
✓
C
It will have a warning sticker on the windshield
✓
D
There will be a button for ABS activation
✓
QUESTION 24 / 25
What indicates correct coupling after a trailer has been hooked?
Choose one answer below.
A
The trailer remains perfectly still
✓
B
There is visible space between fifth wheels
✓
C
The trailer can only be moved by the towing vehicle
✓
D
The brakes engage properly
✓
QUESTION 25 / 25
True or False: If you are away from your vehicle for a short time, there is no need to use the parking brake.
Choose one answer below.
A
True
✓
B
False
✓
C
Only if it’s parked on level ground
✓
D
Only during daytime hours
✓
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