Process Designer Interview Questions and Answers

P&ID stands for Piping and Instrumentation Diagram, while PFD stands for Process Flow Diagram. They are used in process engineering to show the flow of chemicals and the equipment involved.

• P&ID shows the piping, equipment, and instrumentation in a process system

• PFD shows the flow of chemicals and the major equipment involved in a process

• Both diagrams are essential in process engineering for designing and understanding processes

• Example: A P&ID would show the piping layout of a...read more

The time required to create and finish a normal or moderate diagram varies depending on complexity, experience, and tools used.

• The hours required can range from a few hours to a few days, depending on the complexity of the diagram.

• Experience with the specific tools and software can significantly impact the time needed to create the diagram.

• Collaboration with team members or stakeholders may also affect the timeline for completing the diagram.

• For example, a simple flowchart ma...read more

Multiple representation is the concept of presenting information in different ways to enhance understanding and communication.

• Multiple representation involves using various formats such as text, images, graphs, and diagrams to convey information.

• It helps cater to different learning styles and preferences of individuals.

• For example, explaining a complex process through a combination of written instructions, visual diagrams, and interactive simulations.

• It can also aid in effect...read more

OPC stands for OLE for Process Control and includes OPC DA, OPC UA, and OPC XML-DA.

• OPC DA (Data Access) - used for real-time data access and historical data access

• OPC UA (Unified Architecture) - a more secure and reliable version of OPC, supports various platforms and devices

• OPC XML-DA - allows communication between OPC servers and clients using XML-based data exchange

• OPC HDA (Historical Data Access) - used for accessing historical data in OPC systems