During a Discussion About the Lubrication System, Technician a Says

question 18

Multiple Choice

During a discussion about the lubrication system, Technician A says that, in theory, during a 1,000-mile trip a properly operating lubrication system will allow about as much wear between parts as occurs during the first 15 minutes of engine operation. Technician B says that the system will allow about as much wear between parts as occurs during the first 15 seconds of engine operation in the morning before oil has reached all of the engine's parts . Who is correct?

• A) A only
• B) B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Middle 70%

Refers to the data range that encloses the central 70% of a distribution, often related to spread and central tendency.

Normal Model

The Normal model, also known as the Gaussian distribution, describes how the values of a variable are distributed in a way that forms a symmetrical, bell-shaped curve.

Car Speeds

The rates at which cars travel, typically measured in miles per hour (mph) or kilometers per hour (kph).

Normal Model

A type of statistical distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.