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Food Processing Process Controls Quiz

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Questions and Answers

What is the main function of a control system in food processing?

To address corporate needs in a systematic way
To automate repetitive tasks with minimal human intervention
To provide flexibility and power of choice to the utility and customers
To compare the process variable with the desired value and apply the difference as a control signal (correct)

What is the purpose of a Distribution Automation System (DAS) in food processing?

To provide flexibility and power of choice to the utility and customers
To compare the process variable with the desired value and apply the difference as a control signal
To address corporate need to do repetitive tasks in a systematic way
To automate repetitive tasks on the electric utility’s distribution system (correct)

What is the role of Programmable Logic Controller (PLC) in food processing?

To control and automate various processes in food processing (correct)
To provide flexibility and power of choice to the utility and customers
To compare the process variable with the desired value and apply the difference as a control signal
To automate repetitive tasks with minimal human intervention

What distinguishes manual control from automatic control systems in food processing?

Manual control requires human intervention, while automatic control operates with minimal human involvement (A) Signup and view all the answers

What is the primary function of Supervisory Control and Data Acquisition (SCADA) in food processing?

To monitor, gather, and process real-time data (B) Signup and view all the answers

What are the objectives of control in food processing?

The objectives of control in food processing include maintaining the process variable (PV) at the desired set point (SP), ensuring consistency and quality of the final product, and optimizing the use of resources such as energy and raw materials. Signup and view all the answers

How can sensors be classified in the context of process control in food processing?

Sensors can be classified as primary or secondary sensors. Primary sensors directly measure the process variable (PV) being controlled, while secondary sensors provide additional information related to the process or environment. Signup and view all the answers

What distinguishes Supervisory Control and Data Acquisition (SCADA) from Programmable Logic Controller (PLC) in food processing?

SCADA systems are typically used for monitoring and controlling entire industrial processes, while PLCs are more focused on controlling specific machinery or equipment within the process. Signup and view all the answers

In the context of food processing, what is the significance of the Distribution Automation System (DAS)?

The DAS in food processing provides the capability to automate repetitive tasks on the electric utility’s distribution system, offering flexibility and choice to the utility and its customers, ultimately improving efficiency and reliability. Signup and view all the answers

How does a control system contribute to the optimization of processes in modern food processing?

A control system in modern food processing compares the process variable (PV) with the desired set point (SP) and applies control signals to achieve the desired output, leading to consistent product quality, resource optimization, and operational efficiency. Signup and view all the answers