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