- /
6 CDL Section 2.1 Questions & Answers 1.What is the most important reason for doing a vehicle inspection?ANS Safety 2.What things should you check during a trip?ANS gauges, senses, critical items when you stop 3.Name some key steering system parts.ANS steering wheel, tie rod, steering arms, steering wheel shaft, gear box, pitman arm, drag link, spindle, steering rod knuckle 4.Name some suspension system defects.ANS broken leaf springs, loose spring shackle, leaking shock absorber 5.What three kinds of emergency equipment must you have?ANS fire extinguisher, fuses, triangles 6.What is the minimum tread depth for front tires?
ANS 4/32
7.What is the minimum tread depth for tires other than the front ones?
ANS 2/32 1 / 2
- /
- / 2
6 8.Name some things you should check on the front of your vehicle during the walk-around inspection.ANS Condition of front axle, steering system, and windshield; lights and reflectors; and right front turn signal light clean, operating, and amber or white 9.What should wheel bearing seals be checked for?ANS not leaking 10.How many red reflective triangle should you carry?ANS 3 11.How do you test hydraulic brakes for leaks?ANS Pump the brake pedal three times. Firmly hold pedal for 5 seconds. It should not move.
12.Can you bring the "vehicle inspection memory aid" with you to the test?- ANS No. You either know it or you don't.
13.Why put the starter switch key in your pocket during the pre-trip inspec- tion?ANS to prevent someone from moving the truck while you are in it 14.What are the seven steps?