Technician a Says the Engine Should Idle for 20 to 120

question 35

Multiple Choice

Technician A says the engine should idle for 20 to 120 seconds after a hard run to allow the  turbocharger shaft to cool. Technician B says if the vehicle has not been driven for a few days, start the engine up and run it at 2,000 to 2,500 rpm to flush the old oil out of the turbocharger bearings and oil lines. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Biopesticide

A type of pesticide derived from natural materials like animals, plants, bacteria, and certain minerals, used to control pests with fewer environmental side effects.

Bacillus Thuringensis

A bacteria that produces toxins harmful to insects, widely used as a natural pesticide in organic farming.

DDT Spill

An accidental release of the pesticide DDT (Dichloro-Diphenyl-Trichloroethane) into the environment, causing ecological and health concerns.

Aquatic Food Chain

A sequence of organisms, each of which serves as a food source for the next, in an aquatic ecosystem, showcasing the flow of energy and nutrients.