Florida CDL — General Knowledge Practice Test 10

1.As alcohol first reaches the brain, which ability gives way before the others?
Long-term memoryJudgment and self-controlThe sense of smellGrip strength in the hands
2.Why should a commercial driver avoid shifting gears while crossing railroad tracks?
Shifting on the tracks wastes fuelThe vehicle could stall on the tracks if it slips out of gearIt is against railroad company policy
3.If there is a fire inside a cargo trailer, why should you usually NOT open the trailer doors?
Opening the doors lets in oxygen and can make the fire flare upThe doors are always locked during a fireIt is illegal to open a trailer on the roadside
4.Compared with a fully loaded truck, an empty truck often needs:
A shorter stopping distance every timeThe exact same stopping distanceA longer stopping distance because of reduced traction
5.After stopping on a one-way or divided highway, where should you place your three emergency warning triangles?
All three right next to the rear bumperAt 10 feet, 100 feet, and 200 feet back toward approaching trafficOnly one, placed in front of the vehicle
6.What is the safe way to carry a reflective warning triangle out along the roadway?
Tucked under one arm out of sight of trafficHeld low at knee height so it does not dazzle driversRolled inside the cab until the very last momentHeld up between your body and the traffic coming toward you
7.Under what condition may a driver take a medicine prescribed by a physician and still operate a commercial vehicle?
Whenever the prescription was filled in the driver's home stateWhenever the dose is taken at the end of the shiftWhenever the same medicine is sold over the counter elsewhereWhen the physician has told the driver it will not interfere with driving safely
8.Dispatch assigns you a trailer load that has to be placarded. What do the rules require of you?
You may not take the trip unless your license carries the hazardous materials endorsementYou may drive it once the shipper signs a waiver for youYou may drive it as long as the placards stay coveredYou may drive it anywhere inside your home state
9.Besides a first CDL, when else is Entry-Level Driver Training (ELDT) required?
When upgrading Class B to Class A, or getting a passenger, school bus, or hazmat endorsementOnly when renewing a license with no changesOnly for drivers over age 65It is never required after the first license
10.What do antilock braking systems (ABS) help a driver do?
Keep the wheels from locking so you can steer while braking hardGuarantee a much shorter stopping distanceAllow safe tailgating