Engine Operation Is Being Discussed

question 27

Multiple Choice

Engine operation is being discussed. Technician A says preignition can cause engine damage. Technician B says carbon deposits on the pistons can increase the compression ratio. Who is correct?

• A)Technician A
• B)Technician B
• C)Both technicians
• D)Neither technician

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Definitions:

Electroencephalograph (EEG)

A device used to record the electrical activity of the brain by placing electrodes on the scalp, used in diagnosing conditions and studying brain functions.

Sleep Spindle

A burst of oscillatory brain activity visible on an EEG that occurs during stage 2 of sleep as a representation of the brain's inhibition of process stimulation.

Theta Waves

Brainwave patterns associated with stages 1-2 of sleep, meditation, and creativity, typically indicating a state of somnolence or the initial stages of sleep.

Electroencephalograph (EEG)

An Electroencephalograph (EEG) is a device used to record the electrical activity of the brain to help diagnose conditions affecting the brain.