An Actuator Is a Device That

question 35

Multiple Choice

An actuator is a device that:

• A)changes AC to DC.
• B)changes DC to AC.
• C)converts an electrical signal into mechanical movement.
• D)converts mechanical movement into an electrical signal.

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Definitions:

Long-run Average Total Cost

The average cost per unit of output when all inputs, including capital, are variable, analyzed over a period when all factors of production can be adjusted.

Economies of Scale

The cost advantage that arises with increased output of a product, resulting in a decrease in the per-unit cost as the scale of production is enlarged.

Long-run Total Costs

The aggregate sum of all production costs for a company when all input factors are variable, analyzed over a prolonged period.

Economies of Scale

The cost advantages that enterprises obtain due to size, output, or scale of operation, with cost per unit of output generally decreasing with increasing scale.