Preview Questions Control Systems Engineer | Role Specific Skill

Question 1: In process automation, how do you handle the issue of system faults or failures in a critical process control loop?

Which action should you take?

Choose only one option

Ignore the fault and continue operations

Use redundant control loops and alarms for automatic fault detection and correction

Wait until human intervention is requested

Perform manual overrides without any automated intervention

Question 2: What is the function of the Human-Machine Interface (HMI) in a SCADA system?

Which action should you take?

Choose only one option

To control the physical devices directly without any user input

To provide a graphical interface for operators to monitor and control processes

To communicate with the field devices directly without a central server

To store historical data for later analysis

Question 3: In a PID-controlled chemical mixing process, how do you ensure that the system maintains proper setpoint despite varying material properties?

Which action should you take?

Choose only one option

Increase the integral gain to account for changes in material properties

Adjust the setpoint based on manual observations

Use feedforward control in combination with the PID controller

Use a proportional-only controller

Question 4: How do you develop a control algorithm that accounts for nonlinearity in a chemical process, such as a distillation column?

Which action should you take?

Choose only one option

Use linear control methods and ignore the nonlinearity

Implement nonlinear control techniques, such as gain scheduling or feedback linearization, to handle nonlinearities

Use only proportional control and assume the nonlinearity is negligible

Focus solely on the feedback loop without considering nonlinearities

Question 5: What role does redundancy play in the design of control systems for petrochemical plants?

Which action should you take?

Choose only one option

Redundancy is only necessary for non-critical systems

It reduces the overall cost of the system

It's essential for critical systems to ensure continuous operation and safety

It is used only for sensors and not for controllers

Question 6: How do you ensure that a control system design is energy efficient in a chemical manufacturing plant?

Which action should you take?

Choose only one option

By focusing only on the equipment cost without considering operational efficiency

By using manual overrides to adjust parameters for energy savings

By optimizing control strategies and minimizing unnecessary operations based on real-time data

By reducing the use of automation and relying more on manual control