Correct answer
Because oil in good condition helps protect the engine and reduce wear.
Oil deteriorates and accumulates contaminants with use and time, reducing its ability to protect the engine. Replacing it with the manufacturer’s specified oil and at the specified intervals helps reduce wear. Checking and topping up the level does not replace periodic changes; changing it does not guarantee prevention of every breakdown.
Practice more B licence questions
A 3-minute quick test with exam-style questions. Free, no signup.
All options
Because every oil retains its properties indefinitely.
Because topping up always removes the need to change it.
Because oil in good condition helps protect the engine and reduce wear.
Editorial status: editorially approved. This status does not certify legal review. Report a correction
Keep studying
Related questions
- To achieve efficient driving, you must drive...
- What is the function of an engine's cooling system?
- Can a driver reduce the probability of accidents caused by the "vehicle factor"?
- A spark-ignition petrol engine has high fuel consumption and misfires. Which inspection is relevant to investigating the cause?
- When checking the oil level with a conventional dipstick, what procedure should you follow?
- On a conventional 12 V starter battery, whether or not electrolyte maintenance is required, should the terminals be kept clean?