Control Systems Quiz

Which of the following is NOT a control configuration used to overcome the limitations of feedback control?

• Feed forward

• Ratio

• Split range

• Direct control

What is one of the control configurations used to address the insufficiency of feedback control?

• Direct control

• Feed forward

• Manual control

• Automatic control

Feedforward control is designed to:

• React after a process variable deviation.

• Ignore disturbances.

• React immediately to disturbances.

• Wait for feedback.

What is the key benefit of using feedforward control in a system?

• It is less efficient than feedback control.

• It allows for immediate correction of disturbances.

• It requires constant monitoring.

• It only works with feedback.

In what context is feedforward control almost always implemented?

• As a standalone system

• As an add-on to feedback control

• As a replacement for feedback control

• As a diagnostic tool

What happens when more cold fluid passes through the flow sensor in the feed forward system?

• The steam valve closes

• The steam valve opens

• The fluid temperature decreases

• The fluid pressure increases

What does feedforward control not introduce in the close-loop response?

• Instability.

• Sensitivity to parameter variations.

• Unmeasured disturbances.

• Direct measurement requirements.

Which of the following is NOT the characteristic of a cascade control?

• Having 2 FCE

• Having 2 processes

• Having 2 Controller

• Having 2 measurement

How to defeat the cascade control system?

• By placing the secondary controller in the cascade mode

• By placing the primary controller in the automatic mode

• By placing the secondary controller in the automatic mode

Which of the following is NOT an application for ratio control

• Air fuel ratio in burners

• Flare system

• Reactants ratio to blending unit and reactors

• Hot water control