Florida 2025 CDL Class A General Knowledge Test HTML

Florida 2025 CDL Class A General Knowledge Test

Florida 2025 CDL Class A General Knowledge Test

When inspecting a commercial vehicle before a long trip in Florida, which combination of emergency equipment is mandatory under FMCSA and state regulations?
In early morning high-humidity conditions along Florida’s coastal highways, what is the most reliable sign that black ice may have formed on the roadway?
What is the most effective technique to control speed when descending a long bridge incline, such as the Seven Mile Bridge, with a heavy load to avoid brake fade?
Under optimal driving conditions in Florida, how far ahead should a CDL driver scan the roadway to safely anticipate changes?
Which best defines ‘reaction distance’ for a combined tractor-trailer vehicle traveling at highway speed?
At 65 mph, what minimum following distance should a CDL driver maintain under dry conditions using the three-second rule?
When negotiating a sharp curve on a rural Florida highway, what adjustment helps prevent rollover in a high center-of-gravity vehicle?
During a pre-trip inspection, how should a driver determine if recap tires are within service limits?
What is the safest procedure when driving through dense morning fog in the Everglades region?
Why is it important to avoid ‘riding’ the brakes on vehicles with drum brakes during extended descents?
Which formula correctly estimates stopping distance at highway speeds for a fully loaded truck?
How should cargo be distributed on tandem axles to comply with Florida weight regulations?
What is the maximum continuous driving time allowed before a 30-minute break is required under Florida HOS rules?
When transporting loose logs or lumber in Florida, what securement device is required by FMCSA?
How does humidity and heat in Florida affect a diesel engine’s performance during summer months?
What is the correct procedure when crossing railroad tracks at a Florida grade crossing with warning arms?
Which step is essential when coupling a tractor to a semi-trailer to ensure safe operation in Florida’s humid conditions?
How should you test for hydraulic brake system leaks during pre-trip inspection in humid climates?
If your vehicle’s lights fail at night on the Florida Turnpike, which hand signal indicates a left turn?
What distinguishes interstate commercial vehicles from intrastate vehicles under Florida regulation?
At a railroad crossing in Florida with broken warning signals, what must a CDL driver do?
What is the maximum legal weight for a tandem axle group in Florida regulations?
Which technique helps prevent jackknifing when making a sharp right turn with a tractor-trailer?
What is the correct method for checking engine coolant levels before operating in hot Florida conditions?
Calculate the total stopping distance for a truck traveling at 55 mph if reaction time is 2 seconds and braking distance is 200 feet.
What is the primary purpose of adjusting your side mirrors before driving a tractor-trailer?
If the oil temperature gauge shows a rapidly rising temperature, what is the safest immediate action?
During pre-trip inspection, you notice coolant dripping under the radiator. What does this indicate?
When driving down a steep grade in mountainous terrain, what pattern of braking is recommended?
Which device helps slow a heavy vehicle without using service brakes, reducing brake wear?
What is the maximum low air pressure allowance for air brake leakage during a one-minute static test?
How do spring brakes activate in an air brake system?
Which is the correct sequence for the air loss rate check in dual air systems?
During the slack adjuster check, what indicates the adjuster is out of adjustment?
Why is fatigue considered as dangerous as alcohol impairment for CDL drivers?
If you must pull onto the shoulder to inspect a mechanical issue, what is the proper safety procedure?
What is the required minimum number of warning devices around a stopped commercial vehicle on a two-lane highway?
Which placard is required when hauling corrosive materials classified under Hazard Class 8?
When passing a slow-moving vehicle on a narrow two-lane road, what action ensures safety?
At what distance should you begin to dim your headlights when approaching another vehicle at night?
Which behavior is considered a major distraction for a CDL driver while operating the vehicle?
What is the recommended action when approaching a drawbridge that is about to open?
Chevron road signs on sharp curves indicate:
Why must a fire extinguisher be easily accessible and not stored under a seat or behind cargo?
How does prolonged driving at high speeds affect tire temperature and safety?
If the front axle is overloaded, what steering issue is most likely to occur?
Why should high beams be dimmed when following another vehicle at night?
When should the emergency air line be used in combination vehicle braking?
What does the ABS malfunction lamp indicate on a commercial vehicle dash?
During coupling inspection, how far should the fifth wheel be tilted before backing under the trailer?
Which placard is required when transporting infectious substances under DOT classification 6.2?
When performing a straight-line backing maneuver, what is the recommended hand position on the wheel?
Under Florida regulations, how often must a commercial driver inspect the vehicle’s lights during a trip?
What is the maximum legal width for most commercial vehicles in Florida, excluding certain over-width permits?
To prevent cargo shift, what is the minimum angle for binders when securing logs or poles?
When merging onto a highway from an acceleration lane, what speed should you aim for before merging?
During a CDL road test, which vehicle maneuver demonstrates proper use of a dual air brake system?
What is the primary cause of brake fade during continuous braking on long downgrades?
Which log entry is mandatory at the start of a driver’s day?
What describes the proper technique for ‘snub braking’ on a steep downgrade?
Under FMCSA hours-of-service rules, what is the maximum on-duty period in a 14-hour window?
Which indicator light warns of low air pressure in an air brake system?
What is the safest method to check clearance under a loaded flatbed trailer?
Which pre-trip check ensures spring brakes will engage if air pressure is lost?
When transporting liquid bulk, what factor most affects stopping distance?
What is the correct procedure for verifying the operation of tractor protection valve?
In which situation is hydroplaning most likely to occur?
What does the ‘FMCSA double bump test’ assess during pre-trip inspection?
Which document must always be present when hauling regulated hazardous materials?
When making a lane change on a multi-lane highway, what is the minimum mirror check sequence?
What does a yellow diamond-shaped sign with a semi-truck tipping icon warn drivers of?
Which factor most affects air brake lag distance?
What is the purpose of the governor in an air brake system?
Which condition requires a driver to report a tire pressure issue immediately?
What is the correct method to test the anti-lock braking system (ABS) on a straight road?
What is the correct minimum tread depth for front steering axle tires under FMCSA regulations?
How often must a CDL driver record a change of duty status that lasts longer than 15 minutes?
During pre-trip inspection, which sign of hydraulic fluid leak is unacceptable?
What is the maximum blood alcohol concentration (BAC) allowed for CDL drivers under federal law?
Which method helps prevent tail swing accidents when turning a tractor-trailer?
How should a driver verify the functionality of the parking brake in an air brake system?
What is the primary reason for waiting two minutes after turning off the engine before checking valve lash on a diesel engine?
Which condition indicates antilock braking system (ABS) is active during stopping?
When transporting livestock, what feature is essential for proper ventilation?
Under Florida law, what is the minimum number of reflective devices required on the rear of a commercial motor vehicle operating at night?
What technique helps reduce trailer fishtailing during gusty wind conditions?
Which log entry must a driver make immediately after loading hazardous materials?
What is the FMCSA’s minimum required hose diameter for air brake systems on combination vehicles?
What action should a driver take if a tire pressure monitoring system (TPMS) warns of a low-pressure tire?
Which FMCSA regulation governs the transport of refrigerated food products?
How should you position warning devices when stopped on a two-way, two-lane road at night?
Which factor determines the required length of a pre-trip inspection report under Florida DOT?
What’s the main purpose of an anti-lock braking system in commercial vehicles?
What is the legal limit for axle weight on single axles in Florida without special permits?
How often should you engage in controlled braking during a long descent?
Which record must a driver keep for 6 months as per FMCSA regulations?
When is it permissible to cross a double solid yellow centerline?
What must be checked regarding the fifth wheel during coupling on a slippery surface?
Which hazard class requires placarding on all four sides of the vehicle?
How much distance does a tractor-trailer travel during perception time at 55 mph if perception time is 1.5 seconds?
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