CDL Class B Quiz Questions with 100% Correct

CDL Class B Quiz Questions with 100% Correct What is the most important reason for doing a vehicle inspection? - Correct Answer️️ - Safety What things should you check during a trip? - Correct Answer️️ -instruments, air pressure gauge, temp gauge, pressure gauge, ammeter/voltmeter, mirrors, tires, cargo/ cargo covers, lights. Name some key steering system parts. - Correct Answer️️ -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 Answer️️ -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 broken What three kinds of emergency equipment must you have? - Correct Answer️️ -fire extinguisher, 3 reflective triangles, spare fuses What is the minimum tread depth for front tires? - Correct Answer️️ -4/32 inch For other tires? - Correct Answer️️ -2/32 inch Why should you back toward the driver's side? - Correct Answer️️ -Better visibility If stopped on a hill, how can you start moving without rolling back? - Correct Answer️️ -partly engage the clutch before you take your foot off the brake, put on the parking brake whenever necessary to keep from rolling back When backing, why is it important to use a helper? - Correct Answer️️ -There are blind spots you won't be able to see. What's the most important hand signal that you and your helper should agree on? - Correct Answer️️ -STOP What are the two special conditions where you should downshift? - Correct Answer️️ - before starting down a hill, before entering a curve When should you downshift automatic transmissions? - Correct Answer️️ -when going down grades Retarders keep you from skidding when the road is slippery. True or fals