Final answer:
Sequence valves are ideal for starting system operations in a specific order, and control valves can regulate flow rates effectively.
Explanation:
Sequence valves are ideal for beginning system operation after the previous operation has finished. They are used to ensure a specific order of operation, allowing one task to start only after another task has completed. For the water flow to a CSTR scenario, a sequence valve could be used to start the flow of water into the CSTR once the level drops to a certain point.
Actuator: The actuator for a sequence valve could be an electrical solenoid that triggers the valve to open once the input signal is received, allowing the water to flow into the CSTR.
Additionally, control valves can be used for starting and stopping the flow of fluid. These valves regulate the flow rate and can be controlled to open or close as needed.
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