Florida CDL — General Knowledge Practice Test 2

1.On a long downgrade, what should provide most of your braking, and why?
The service brakes held down the whole way, to stay in controlThe engine in a low gear, with brakes used to supplement so they do not overheatCoasting in neutral, to save the brakes
2.Which tire condition found during an inspection should keep a commercial vehicle out of service?
A few pebbles stuck in the treadSlightly different tire brands on the trailerTread worn below the legal minimum, or cuts and bulges in the tire
3.Using a commercial vehicle to commit a felony involving controlled substances can lead to:
A small fine onlyA lifetime CDL disqualificationNo penalty if it is a first offense
4.Why is overloading a commercial vehicle beyond its rated weight dangerous?
It makes the vehicle harder to stop and steer and can overheat tires and brakesIt has no effect as long as the load is tied downIt only matters on unpaved roadsIt improves braking by adding weight
5.What are a large truck's 'blind spots'?
Areas where trucks are not allowed to driveAreas around the truck that its mirrors cannot show the driverZones where you may not use the horn
6.A speed limit sign is posted on the curved ramp leading off a freeway. Why should a loaded truck often travel slower than that number?
Ramp signs may be ignored whenever traffic is lightThe number refers to the speed at the bottom of the rampRamp signs are aimed at motorcyclesThe posted figure is chosen with cars in mind and can be unsafe for a tall, heavily loaded vehicle
7.Which combination decides how high a person's blood alcohol concentration will climb?
How much is consumed, how quickly it goes down, and what the person weighsThe proof of the drink and the temperature of the roomThe person's height and the hour of the dayHow much food is eaten afterward
8.Why is the space ahead of your vehicle the most important space to manage?
It is the space you most need to stop safely and can do the most aboutIt is the only space the law mentionsSpace ahead matters only in the city
9.A black-and-yellow warning sign showing a truck on a downhill grade tells a commercial driver to:
Speed up to build momentum for the next hillPrepare for a steep downgrade by selecting a low gear and safe speedStop and set the parking brake at the sign
10.Which of these counts as a serious traffic violation for a CDL holder?
Parking overnight at a rest areaIdling longer than a local ordinance allowsExceeding the posted limit by 15 mph or moreFiling a fuel tax report after the deadline