For the PLC Analog I/O Control System Shown,the Fluid Flow

question 49

Multiple Choice

For the PLC analog I/O control system shown,the fluid flow is controlled by:

• A)varying the amount of the valve opening.
• B)switching the valve ON and OFF.
• C)switching the level sensor ON and OFF.
• D)varying the position of the level sensor.

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Definitions:

Correlational Methods

Research techniques that study the relationship or association between two or more variables without manipulating them.

Experimental Methods

Experimental Methods are research methodologies that involve manipulating one variable to determine if changes in one variable cause changes in another variable, typically to establish causal relationships.

Two Variables

Refers to an analytical approach that examines the relationship or interaction between two different variables.

Experimental Design

A systematic method in research that aims to determine cause-and-effect relationships by manipulating one or more variables while keeping others constant.