Solve the Problem A)5
B)10
C)6
D)4

question 8

Multiple Choice

Solve the problem.
-Using the employment information in the table on Alpha Corporation, determine the width of each class. $$\begin{array}{l}\text { Years employed at Alpha Corporation }\\\begin{array} { c | c } \begin{array} { c } \text { Class Limits } \\\text { (years of service) }\end{array} & \begin{array} { c } \text { Frequency } \\\text { (No. of employees) }\end{array} \\\hline 1 - 5 & 5 \\6 - 10 & 20 \\11 - 15 & 25 \\16 - 20 & 10 \\21 - 25 & 5 \\26 - 30 & 3\end{array}\end{array}$$

• A)5
• B)10
• C)6
• D)4

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Definitions:

Analog Output

An electrical signal that represents a continuous physical quantity, used in control systems to drive or modulate external devices.

Electrical Isolation

A technique of preventing direct electrical current flow between two parts of an electrical system, often achieved through the use of optoisolators or transformers, to protect against surges and interference.

Points per Module

The number of inputs or outputs that a single module in a modular system, such as a PLC, can handle or support.