Why is overfilling engine oil above the MAX mark harmful to the engine?
Answer and explanation
Correct answer: A. Excess oil gets whipped into foam by the crankshaft and damages catalytic converter
- Step 1: Overfilled oil hazards. Step 2. Foamed oil cannot be pumped effectively, starving bearings; excess oil enters combustion chambers and poisons the catalytic converter. Answer: Excess oil gets whipped into foam by the crankshaft and damages catalytic converter. Why not the others: Center of gravity change is negligible; cooling fans are independent; starter motor is unaffected.
Practise more Driving Safety, Emergency Response and Vehicle Operation.
Free questions with an explanation for every one, and full timed Vozački ispit (Driving Theory Test) - Croatia mock tests.
More Driving Safety, Emergency Response and Vehicle Operation questions
- What two main components constitute the total stopping distance of a motor vehicle?
- How does doubling the travel speed affect the braking distance of a passenger vehicle?
- What is the primary function of an Anti-lock Braking System (ABS) during emergency braking?
- What sensation is normal for the driver when ABS activates during heavy emergency braking?
- What phenomenon occurs when tires lose contact with the road due to a water layer?
- What is the correct driver reaction when experiencing sudden aquaplaning?