Florida CDL — General Knowledge Practice Test 3

1.Which statement about ABS is TRUE?
ABS lets you safely follow other vehicles more closelyABS always stops you in a much shorter distanceABS does not let you drive faster or follow more closely
2.Why should you speed up smoothly and gradually in a commercial vehicle?
Jerky acceleration can cause damage and, on slick roads, spin the drive wheelsFast acceleration is illegal for all trucksIt is the only way to engage reverse
3.Your right wheels drift off onto the dirt shoulder. What is the safest way to get back on the road?
Brake hard and yank the wheel back onto the roadEase off the gas, keep straight, slow down, then steer back gentlySpeed up and swerve back immediately
4.What does the law mean for a CDL holder who wants to text while driving a commercial vehicle?
Texting is allowed at red lights onlyTexting behind the wheel is prohibitedTexting is fine on the interstate
5.A sign posting a clearance such as '12 FT 6 IN' at an underpass means a driver should:
Make sure the vehicle's height is under that clearance before proceedingDrive through only if the load is heavyIgnore it unless carrying hazardous materials
6.Riding the service brakes all the way down a long, steep grade is dangerous mainly because it can cause:
Brake fade, where overheated brakes lose their stopping powerThe tires to inflate too muchThe steering to lock upThe fuel to freeze
7.A car is tailgating your truck. What is the safest response?
Speed up to get away from themTap your brakes hard to warn them offIncrease your following distance ahead and let them pass if you can
8.Which practice best helps a commercial driver avoid fatigue behind the wheel?
Get enough sleep before driving and take rest breaksTurn up the radio and open a windowDrink coffee every hour to stay awake
9.When should a commercial driver signal before turning or changing lanes?
Only after you begin to turnEarly, and keep signaling until the maneuver is completeOnly if another vehicle is close behind
10.A CDL is generally required to drive a single vehicle with a gross vehicle weight rating (GVWR) of at least:
10,000 pounds26,001 pounds5,000 pounds