Which tire placement is prohibited on the front wheels of a bus?
Correct answer: Regrooved, recapped, or retreaded tires
A bus may not use regrooved, recapped, or retreaded tires on its front wheels.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.1.3, printed p. 2-1, physical PDF page 27: Tire problems — bus front tires ↗
What is the principal method for controlling speed on a long downgrade?
Correct answer: Engine braking in a suitable low gear
Selecting a low gear before descending lets engine braking control speed while preserving the service brakes.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.6.6, printed p. 2-15, physical PDF page 41: Speed on downgrades ↗
How should a commercial driver respond to a vehicle following too closely?
Correct answer: Increase the space ahead and avoid sudden changes
More room ahead reduces the need for sudden braking and gives the tailgater an opportunity to pass.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.7.2, printed p. 2-17, physical PDF page 43: Dealing with tailgaters safely ↗
Under the federal cargo-inspection rule, after the initial check of an accessible, unsealed truck load, when is the next reinspection required?
Correct answer: At a duty-status change, 3 hours of driving, or 150 miles, whichever occurs first
Recheck securement at the first of these events: a change of duty status, three driving hours, or 150 miles. Make needed adjustments before continuing.
Source: 49 CFR 392.9(b)(3), (4): duty status, driving time, mileage and exceptions; related Florida handbook (July 2022), section 3.1; 2.1.6, printed 3-1, 2-7, PDF 71, 33 ↗
Under the general federal tie-down rule, a 7-foot article is not blocked against forward movement. What is the minimum number of tie-downs?
Correct answer: Two
An article longer than 5 feet and no longer than 10 feet needs at least two tiedowns when it is not blocked against forward movement. Required working load limit and any cargo-specific rules still apply.
Source: 49 CFR 393.110(b)(2)(ii): two tiedowns for unblocked articles longer than 5 feet and no longer than 10 feet; related Florida handbook (July 2022), section 3.3.2, printed 3-2, 3-3, PDF 72, 73 ↗
The drive wheels begin spinning as you accelerate from a stop on a snowy road. What response does the handbook recommend?
Correct answer: Ease off the accelerator to stop the wheel spin
Too much power on a low-traction surface can make the drive wheels spin and cause loss of control. Remove your foot from the accelerator and use gradual acceleration suited to the available traction.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.2.1, printed p. 2-8, physical PDF page 34: Accelerating on low-traction surfaces ↗
What is the safest way to make routine mirror checks while traveling?
Correct answer: Use brief checks and return attention to the road ahead
Frequent, brief mirror checks help you monitor surrounding traffic without traveling a long distance while looking away from the road ahead.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.4.2, printed p. 2-11, physical PDF page 37: How to use mirrors ↗
A truck stops beside a straight two-way road with clear sightlines. Why are warning devices needed both ahead and behind?
Correct answer: Traffic can approach the stopped vehicle from either direction
The two-way layout includes warnings about 100 feet in each direction plus one close to the vehicle.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.5.2; Figure 2.9, printed p. 2-13, physical PDF page 39: Warning devices on two-way roads ↗
An aggressive driver tries to provoke you. What is the safer response?
Correct answer: Create separation and avoid challenging the driver
Do not turn another driver’s aggression into a contest.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.10.3, printed p. 2-24, physical PDF page 50: Confrontation by an aggressive driver ↗
During a hot-weather stop, a tire is too hot to touch. What does the handbook direct you to do?
Correct answer: Remain stopped until it cools
Continuing with an overheated tire increases the risk of failure or fire.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.14.1, printed p. 2-29, physical PDF page 55: Overheated tires ↗
A railroad crossing has no active lights or gates. What does that mean for your decision?
Correct answer: You must look and listen and determine that crossing is safe
The absence of active warning equipment is not evidence that no train is coming.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.15.1, printed p. 2-30, physical PDF page 56: Passive crossings ↗
You stop to help at a collision in which your truck was not involved. Where should you park?
Correct answer: Away from the immediate scene so emergency vehicles have space
Helping should not obstruct rescuers or create a second hazard.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.20.1, printed p. 2-38, physical PDF page 64: Parking while helping at a crash ↗
You do not know which extinguishing agent is safe for the burning cargo. What should you do?
Correct answer: Stay clear and wait for trained firefighters
An unsuitable agent can worsen a fire, especially when hazardous materials are involved.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.21.3, printed p. 2-39, physical PDF page 65: Uncertain extinguishing agent ↗
You are ordered not to open a sealed load. Which duty still remains?
Correct answer: Check compliance with gross and axle weight limits
A sealed-load inspection exception does not make an overweight vehicle lawful.
Source: Florida Commercial Driver's License Manual (July 2022), section 3.3.5, printed p. 3-3, physical PDF page 73: Sealed and containerized loads ↗
What does axle weight measure?
Correct answer: Weight transmitted to the ground by an axle or axle group
Axle loading is a separate limit from the vehicle’s total gross weight.
Source: Florida Commercial Driver's License Manual (July 2022), section 3.2.1, printed p. 3-1, physical PDF page 71: Axle weight ↗
Why clean both sides of the windshield before a night trip?
Correct answer: Dirt can scatter light and worsen glare
Interior film as well as exterior dirt can obscure the road under bright lights.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.11.4, printed pp. 2-26, 2-27, physical PDF pages 52, 53: Windshield and mirrors at night ↗
Which combination matters when selecting a safe descent speed?
Correct answer: Vehicle weight, grade length and steepness, road and weather
Different loads and grades can demand different descent speeds even under the same posted limit.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.16.1, printed p. 2-32, physical PDF page 58: Selecting a safe downgrade speed ↗
You become too ill to operate your truck safely. What should you do?
Correct answer: Stop safely rather than continue the scheduled trip
Illness can make continued driving unsafe even without alcohol or medication.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.22.3, printed p. 2-42, physical PDF page 68: Illness ↗
In its basic steering-defect guidance, what amount of steering-wheel free play does the Florida CDL handbook warn can make steering difficult?
Correct answer: More than 10 degrees
The handbook warns about more than 10 degrees of play. This is inspection guidance, not one universal regulatory limit: 49 CFR 393.209 sets limits according to steering-wheel size and steering-system type.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.1.3, printed p. 2-2, physical PDF page 28: Steering-system inspection guidance ↗
Two legal parking spaces are equally suitable for your truck. One allows a forward exit; the other requires backing into traffic. Which is preferable?
Correct answer: The space that allows you to pull forward when leaving
Plan parking to avoid reversing when possible because you cannot see everything behind a large vehicle.
Source: Florida Commercial Driver's License Manual (July 2022), section 2.2.4, printed p. 2-8, physical PDF page 34: Parking to avoid backing ↗
