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CDL Class A License Questions and Answers 1.What is the most important reason for doing a vehicle inspection (Answer) Saftey for yourself and for other road users.
2.What things should you check during a trip (Answer) 1. Instruments 2.Air Pressure Gauge 3.Temperature Gauges 4.Pressure Gauges 5.Ammeter/Voltmeter 6.Mirrors 7.Tires 8.Carg o
- Lights
- Name 7 key steering system parts (Answer) 1. Tie Rod
2.Steering Column 3.Gear Box 4.Resevoir 5.Steering Knuckle 6.Draglink 7.Spindle 4.Name some suspension system defects (Answer) - Cracked or Broken spring hang- ers 1 / 3
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-missing or broken leaves -leaking shock absorbers -Air suspension systems broken or leaking 5.What three kinds of emergency equipment must you have (Answer) 1.Fire extin- gushiers 2.Spare Eletrical fuses 3.Warning devixes for parked vehicles 6.What is the minimum tread depth for front tires and for other tired (Answer) - 4/32 inch -2/32 inch 7.Name 7 things you should check on the front of your vehicle during a walk around inspection (Answer) 1. Front axle 2.Steering System 3.Windsheild 4.Windshield Wipers 5.Wiper Blades 2 / 3
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6.Lights 7.Reflectors 8.What 4 things should wheel bearing seals be check for (Answer) 1. Rips 2.Tears 3.Cracks 4.Leaks 9.How many red reflective triangles should you carry (Answer) 3 10.How do you test hydraulic brakes for leaks (Answer) - Check pads or shoes for brake fluid on them -check hoses and reservoir 11.Why put the starter switch key in your pocket during the pre-trip in- spection (Answer) So there is no risk of the vehicle rolling or being cracked during the inspection.
12.Why should you back towards the drivers side (Answer) You have a better line of sight towards the drivers side.
13.If stopped on a hill how can you start moving without rolling back (Answer) Apply the parking brake or apply the accelerator until you move forward.
14.When backing, why is it important to use a helper (Answer) A helper can see things you cannot and help direct your movement.
15.What's the most important hand signal that you and the helper should agree on (Answer) STOP!!
16.What are two so special conditions where you should downshift
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