Which of the Following Pairs Is NOT Matched Correctly

question 15

Multiple Choice

Which of the following pairs is NOT matched correctly?

• A)hair-composed of keratin
• B)nails-composed of connective tissue
• C)sweat glands-secrete sweat to cool the skin
• D)sebaceous glands-secrete sebum to lubricate the skin

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Definitions:

Output Interface Module

A component within an automation system that processes control signals from a PLC or processor to drive external devices.

Load Devices

Equipment or components that consume electrical power in a circuit, typically transforming it into another form of energy like light, heat, or motion.

Field Input Devices

Devices that provide input to control systems from the physical environment, including sensors, switches, and buttons.

Internal Input Instructions

Specialized instructions in a PLC program to manipulate internal bits or flags that are not directly linked to physical inputs.