Florida CDL Knowledge Test| 118 QUESTIONS| WITH COMPLETE SOLUTIONS

Most important reason for vehicle inspection ? correct answer: Safety What things should you check during a trip? correct answer: Instruments, air pressure gauge, temp gauge, pressure gauge, ammeter/voltmeter, mirrors, tires, cargo/ cargo covers, lights. Name some key steering system parts. correct answer: Steering wheel, tie rod, steering shaft, hydraulic fluid reservoir, gear box, pitman arm, drag link, steering knuckle, spindle, steering arm, power steering cylinder. Name some suspension system defects. correct answer: Spring hangers that allow movement of axle from proper position, cracked or broken spring hangers, missing or broken leaves in any leaf spring, leaking shock absorbers, air suspension systems that are damaged and or leaking, any parts of the suspension or frame that is cracked or broden. What 3 kinds of emergency equipment should you have? correct answer: Fire extinguisher, 3 reflective triangles, spare fuses. What is the minimum tread depth for tires? correct answer: 4/32-inch front; 2/32-inch rear. Things to check on front of vehicle during walk around inspection. correct answer: Front axle, steering system, windshield, wipers, lights and reflectors. What should wheel bearing seals be checked for? correct answer: Leaks. How do you test hydraulic brakes for leaking? correct answer: Pump the brake pedal 3 times and then hold pressure for 5 seconds; the pedal should not move. Why put the starter switch key in you pocket during pre-trip inspection? correct answer: For your safety. Why should you back toward the driver's side? correct answer: So you can see better. If stopped on a hill, how can you start without rolling back? correct answer: Partly engage the clutch before you take your foot off the brake; put on the parking break whenever necessary to keep from rolling back. When backing, why is it important to use a helper? correct answer: Because there are blind spots you can't see. What's the most important hand signal that you and the helper should agree on? correct answer: Stop.