EXIT Clean Diesel Truck Training Test Test English Español Oromoo Soomaali Русский ਪੰਜਾਬੀ አማርኛ Question Title * 1. Some exhaust leaks can be identified by listening for them while the engine is running. True False OK Question Title * 2. A DPF should be manually cleaned by a qualified mechanic: Every two years Only when engine problems start At least once a year OK Question Title * 3. The ___________ requires hot temperatures. DPF system DEF system OK Question Title * 4. What do you need to do for a Parked Regen? Turn on the Parked Regen switch Park in a safe area away from anything that could melt or burn Set your emergency brake All of the above OK Question Title * 5. What can happen if the DPF gets clogged? You might get a flat tire The DEF Light may turn on The engine can shut down OK Question Title * 6. If you ignore warning lights on your dashboard: You will need to refuel in the next hour A small problem can turn into a big problem Nothing will happen - the lights will eventually turn off OK Question Title * 7. When you are having your DPF cleaned or replaced, you should ask the dealer to: Inspect the DEF injector Inspect the SCR cylinder Fill out a DPF cleaning history sheet Inspect the DOC All of the above OK Question Title * 8. The DPF is often the first engine part to show a problem even if the cause of the problem is somewhere else in the engine. True False OK Question Title * 9. The ___________ must be manually cleaned to remove ash. DEF system DPF system OK Question Title * 10. A mechanic should always do a Parked Regen after installing a clean or new DPF. True False OK Question Title * 11. What are the three major maintenance issues with DPFs? (select three) Exhaust leaks DPF cleaning Over fueling Running out of DEF fluid Fluid (oil and coolant) leaks OK Question Title * 12. The ___________ tank should be at least ¼ full. DEF system DPF system OK Question Title * 13. What can you do to help your truck start an Active Regen? Park your truck but accelerate the engine Drive on the highway several times a day Drive on the highway at least 50 miles per hour for 20 minutes without stopping OK Question Title * 14. If your DPF Light is blinking, you need to: Drive hard to start an Active Regen or start a Parked Regen in 1-2 hours Fill your DEF tank with DEF fluid Start a Parked Regen immediately OK Question Title * 15. If your truck is using more oil than usual, you should: Just add more oil Look for leaks and get them fixed Drive on the highway without stopping for 20 minutes OK Question Title * 16. Clean diesel truck exhaust leaks: Can be black or other colors Are always black Are never visible OK Question Title * 17. Mixing different oils in your truck will not harm your engine as long as they are high-quality oils. True False OK Question Title * 18. Which engine parts does the DPF impact? (select all that apply) Turbocharger Engine Gas Recirculation (EGR) DEF tank Throttle OK Question Title * 19. If you are waiting in line at the port and your truck is not moving, you should: Wait 15 minutes before turning off your engine. Turn off your engine after 3 minutes. Never turn off your engine because it will wear out your engine. OK Question Title * 20. How often should you check your fluids? Once a day Weekly Twice a day (before and after your work day) OK DONE