Class F License – GA /updated 2024

At what level should you refill your Diesel Exhaust Fluid (DEF Fluid)? - 1/8 of a tank What should the oil pressure be while the truck is IDLING? - 5-20 PSI What should the oil pressure be while the truck is OPERATING? - 35-75 PSI How long does it take for the truck to build to a pressure of 50-90 PSI? - 3 minutes At what PSI does the governor cutoff engage? - 120-140 PSI How often should you check the cargo on the truck? - After the first 50 miles, then every 150 miles after that (or 3 hours) How far should you place the cones on an OBSTRUCTED view? - 100 to 500 feet How far should you place the cones on a ONE-WAY traffic lane? - 10, 100, and 200 feet What is Perception Distance? - The time from when you see it to when your brain recognizes it How often should you inspect your truck tires? - Every 100 miles or 2 hours How much play can there be in the slack adjuster before it needs adjusting? (related to brakes) - 1 inch How long does it take to build 85-100 PSI in a dual air system? - 45 seconds How much play can a belt have and still be operational? - 3/4 inch How do you test hydraulic brakes? - Pump the brakes 3 times, then hold for 5 seconds. If the brake pedal loosens or leaks then something is wrong What is the maximum a brake push rod can move when pushed or pulled by hand? - 1 inch How many leaf springs can be missing before the truck is OOS? - 1/4 or more What do you do if the oil pressure is low, dropping, or fluctuating? - Stop immediately How do you test the service brake? - Go 5mph then push the brake pedal firmly. If it pulls to one side or delays, there's an issue. How far ahead should you look while driving (time and distance)? - 12-15 seconds, 1/4 mile What is the average reaction time? - 3/4 - 1 secon