Florida CDL Knowledge Test Flashcards

Florida CDL Knowledge Test Flashcards Why should you be in the proper gear before starting down a hill?To take advantage of the engine braking effect, and spare the brakes.What is the minimum number of tie downs for any flat bed load?Two.If you go twice as fast, will your stopping distance increase by 2 or 4 times?

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When backing, why is it important to use a helper?Because there are blind spots you can't see.Stopping is not always the safest thing to do in an emergency. T/F?True.What is the difference between aggressive driving and road rage?Aggressive driving is selfish bold and pushy, without regard for the safety of others; road rage is acting with intent to do harm to someone else.Name some causes of vehicle fires.Tires; spilled fuel; short circuits due to damaged insulation; leaking flammable cargo.You can safely remove the radiator cap as long as the engine isn't overheated. T/F?False.What factors determine your selection of a "safe" speed when driving down a long steep downgrade?Total weight of the vehicle and cargo, length of the grade, steepness of the grade, road conditions and weather.Name some key steering system parts.Steering wheel, tie rod, steering shaft, hydraulic fluid reservoir, gear box, pitman arm, drag link, steering knuckle, spindle, steering arm, power steering cylinder.What is black ice?A thin layer of clear ice that you can see the road through.When using your extinguisher, should you get as close as possible to the fire?No.What is "sleep debt"?If you don't get enough sleep, you "owe" more sleep to yourself.You should let air out of hot tires so the pressure goes back to normal. T/F?False.Why should you not use the trailer hand brake to straighten out a jackknifing trailer?The brakes on the trailer wheels caused the skid in the first place.Name two basic reasons for covering cargo on an open bed.To protect people from spilled cargo; to protect the cargo from weather.You should decrease your following distance if someone is following you too closely. T/F?False.Empty trucks have the best braking. T/F? False.How do you know if your vehicle has antilock brakes?They will have yellow malfunction lamps on the instrument panels and yellow malfunction lamps on the trailers. Dollies after 1998 are required to have a lamp on the left side.How far ahead does the manual say you should look?12 to 15 seconds.What effects can wet brakes cause, and how can you avoid these problems?Wet brakes can be weak or grab or pull to one side. Don't drive through deep puddles or running water if you can

avoid it; dry brakes with light pressure.

How do you brake when you drive a tractor-trailer combination with ABS?Use normal braking procedures.Things to check on front of vehicle during walk around inspection.Front axle, steering system, windshield, wipers, lights and reflectors.What are 2 main things to look for ahead? Look for vehicles coming onto the highway, into your lane, or turning. Watch for brake lights from slowing vehicles.What are some things you can do to reduce you stress before and while you drive?Listen to relaxing music; be realistic about your travel time; give others the benefit of the doubt.What's your most important way to see the sides and rear of your vehicle?Mirrors.You still have normal brake functions if your ABS is not working. T/F?True.What's the most important hand signal that you and the helper should agree on?Stop.Coffee and a little fresh air will help a drinker sober up.False.What are spring brakes?A heavy spring that will engage the brakes if air pressure holding them back is released or drops too low.What is a hazard?Any road condition or other road user that is a possible danger.How long does it take for a typical tractor-trailer unit to clear a double track?15 seconds.How do you use in-vehicle communications equipment cautiously?Position a cell phone in easy reach; pre-program numbers; pull over and stop when possible; hang up in tricky traffic situation.What are the 2 ways to know when to shift? Engine RPM's or road speed.Retarders keep you from skidding when the road is slippery. T/F?False What factors can cause brakes to fade or fail? Out of adjustment brakes or too much heat from over use and not using engine braking properly.What is the proper braking technique when driving a vehicle with antilock brakes?Brake as usual! Use only the force necessary to stop safely and stay in control.What are some tips to follow so you won't become a distracted driver?Review maps & make plans before starting out; pre-program radio stations; clear the vehicle of unnecessary objects; don't attempt to read or write while you drive; adjust mirrors before starting.If a tire blows out, you should put the brakes on hard to stop quickly. T/F?False If you swing wide to the left before turning right, another driver may try to pass you on the right. T/F?True.What are some advantages of going right instead of left around an obstacle?No on-coming traffic, clear shoulder, won't force someone else into oncoming traffic.Why are placards used?To warn others of hazardous materials.How do antilock brakes help you?Helps you avoid wheel lock up and maintain control.Why should you be in the proper gear before starting down a hill?You will not be able to shift into a lower gear once you are going. Forcing an automatic transmission into a lower gear

at high speed could damage the transmission.