Which of the Following Would Not Normally Be Included as Part

question 97

Multiple Choice

Which of the following would not normally be included as part of a routine preventive maintenance program?

• A)Inspection of I/O field devices
• B)Monitoring the program
• C)Checking connections to I/O modules
• D)Cleaning of the PLC enclosure

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Definitions:

Marginal Cost

An elevation in the cumulative expense resulting from manufacturing one more unit of a product or service.

Deadweight Loss

A decrease in economic efficiency resulting from the failure to reach equilibrium in the market for a good or service.

Monopolies

Market structures characterized by a single seller who controls the market supply of a good or service and can influence the price.

Efficiency

The optimal allocation of resources to maximize desired outputs without wasting any input.