Engine oil

Slides (10)

1. 1 - Pick Answer Q1. Which oil specification is specifically designed to protect DPF and SCR systems?

   1. A) API CI-4

   2. D) API CJ-4

   3. C) API CH-4

   4. B) API CK-4

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3. 3 - Pick Answer Q2. Why is API CK-4 recommended for modern Euro V / VI trucks?

   1. D) It increases oil thickness

   2. C) It is "Low-Ash" to protect the DPF system.

   3. B) It has higher sulphur

   4. A) It is cheaper

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5. 5 - Pick Answer Q3. What happens to ash from engine oil inside a DPF?

   1. D) It turns into fuel

   2. C) It accumulates over time

   3. B) It burns off completely

   4. A) It evaporates

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7. 7 - Pick Answer Q4. What is the primary benefit of upgrading from Rimula R4 L to the premium synthetic Rimula R6 range?

   1. C) It offers a longer service life and better maintenance saving.

   2. D) It is a multi-purpose fluid that removes the need for separate gearbox lubrication.

   3. B) It is a thicker oil specifically designed only for vehicles older than 20 years.

   4. A) It changes the chemical color of the exhaust smoke for easier inspection.

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9. 9 - Pick Answer Q5. If a fleet operates a mix of older engines and modern low-emission vehicles with DPFs, which oil(s) is/are the most versatile "mixed fleet" choice?

   1. D) B & C

   2. C) R6 LM Plus

   3. B) Rimula R4 L

   4. A) Rimula R4 X

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