Final Control Elements Quiz

What is a final control element in an engineering control system?

• The device that generates the setpoint

• The last active device in the instrument control loop

• The device that measures the controlled variable

• The first active device in the instrument control loop

Which of the following is a common final control element used in engineering control systems?

• Transmitters

• Valves

• Thermometer

• Sensors

What is the main function of a valve in a control system?

• To generate the setpoint

• To measure the flow rate of the fluid

• To regulate or control the flow of a fluid

• To sense the temperature of the fluid

Which of the following is NOT a rotary type of valve?

• Gate Valves

• Ball Valves

• Butterfly Valves

• Swinging Valves

What components typically make up a control valve assembly?

• Valve body and positioners only

• Valve body, transducers, and manual operators

• Valve body and actuator only

• Valve body, internal trim parts, and actuator

Which type of valve is shown in the figure labeled 'Single Ported Globe Style Valve Body'?

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What is the purpose of a control valve in a control system?

• To sense the temperature of the fluid

• To generate the setpoint

• To regulate or control the flow of a fluid

• To measure the flow rate of the fluid

Which of the following is NOT mentioned as an additional accessory for a control valve?

• Limit switches

• Supply pressure regulators

• Positioners

• Transducers

What is the function of an actuator in a control valve assembly?

• To provide the motive power to operate the valve

• To sense the temperature of the fluid

• To measure the flow rate of the fluid

• To generate the setpoint

What is the primary purpose of a final control element in a control system?

• To measure the controlled variable

• To generate the setpoint

• To manipulate the operation on the process

• To sense the temperature of the fluid