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Difficulty: MediumBasic Maintenance and Daily Checks

When inspecting the engine oil level using the dipstick, the vehicle should be standing on level ground with the engine switched off.

Answer: Answer

Answer

True
Checking the engine oil level on level ground with the engine switched off and settled ensures that oil rests evenly in the sump, giving a true measurement on the dipstick between the minimum and maximum marks.

Step-by-Step Solution

1
Determine the physical behavior of engine oil during and after vehicle operation.
While running, oil is pumped through engine components; after shutdown, gravity returns the oil to the sump.
An accurate measurement requires the full volume of resting oil to settle in the sump where the dipstick measures it.
2
Assess the effect of ground gradient on dipstick readings.
Parked on a slope, the liquid surface tilts, causing the dipstick to show a false high or low reading.
Level ground ensures that the oil surface remains horizontal and aligns correctly with the calibrated Min and Max markings.

Key Concept

Engine oil level inspection procedure and conditions
Estimated Time:45s
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Topics

Basic Maintenance and Daily Checks

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