If an Engine Has a Noise When It Is Cold

question 51

Multiple Choice

If an engine has a noise when it is cold but the noise disappears when the engine is warmed up, what is a likely cause of the noise?

• A)A piston installed on the connecting rod is in the wrong direction.
• B)An incorrectly installed piston skirt on an articulating piston.
• C)Piston slap.
• D)A loose connecting rod bushing.

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Definitions:

IQR

Interquartile range, a measure of statistical dispersion being the difference between the 75th and 25th percentiles.

Consistent Player

An athlete or participant who performs steadily and reliably over time.

State Championship

A competitive event where teams or individuals from various regions or schools within a state compete to determine the champion in a particular sport or activity.

Standard Deviation

A statistical measure that quantifies the amount of dispersion or variation of a set of data values from the mean value.