Technician a Says That Open Loop Fuel Systems Have No

question 34

Multiple Choice

Technician A says that open loop fuel systems have no way of detecting whether the amount of fuel delivered was ideal for the driving conditions. Technician B says that closed loop systems use oxygen sensors to provide feedback to the PCM. Who is correct?

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

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Definitions:

Average Costs

The total cost of production divided by the quantity produced, indicating the cost per unit of output.

Fixed Costs

Expenses that do not vary with the level of production or sales, such as rent, salaries, and loan payments.

Marginal Productivity

Marginal productivity measures the change in output resulting from altering the level of a single input while holding other inputs constant.

Marginal Costs

The added financial burden of creating one more unit of a product or service.