Illinois CDL General Knowledge Already Graded A+
Pre-Trip Inspection and Safety
1. When preparing to do a pre-trip inspection you must check to see that the parking brakes are on
and/or the wheels are chocked? ️ True.
2. When getting in to start the engine and inspect inside the cab you m...
1. When preparing to do a pre-trip inspection you must check to see that the parking brakes are on
and/or the wheels are chocked? ✔️ True.
2. When getting in to start the engine and inspect inside the cab you must:
- ✔️ Make sure parking brake is on.
- ✔️ Put gearshift in neutral (or park if automatic).
- ✔️ Start engine and listen for unusual noises.
3. Look at the gauges - the oil pressure gauge should come up to normal within how long after starting
the engine? ✔️ Seconds.
4. You should check the following for looseness, sticking, damage or improper settings:
- ✔️ Steering wheel
- ✔️ Accelerator, brake and clutch pedals
- ✔️ Transmission controls.
5. After inspecting mirrors and windshields for cracks, dirt, illegal stickers or other obstructions to see,
you should ✔️ Clean and adjust as necessary.
, Lights, Seals, and Emergency Equipment
6. When checking the lights you should:
- ✔️ Make sure parking brake is set.
- ✔️ Turn off engine and take key with you.
- ✔️ Turn off headlights and four-way flashers.
7. What should wheel bearing seals be checked for? ✔️ Hub oil level and no leaks.
8. How many red reflective triangles should you carry? ✔️ 3.
9. How do you test hydraulic brakes for leaks? ✔️ Pump the brake pedal three times, then apply firm
pressure to the pedal and hold for five seconds. The pedal should not move.
10. Why put the starter switch key in your pocket during the pre-trip inspection? ✔️ For your safety.
Starting Procedures and Steering
11. To avoid rollbacks when you start, you should: ✔️ Partly engage the clutch before you take your
right foot off the brake.
12. What is the proper way to hold the steering wheel? ✔️ Firmly with both hands on opposite sides of
the wheel.
13. Why should you back toward the driver's side?
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