Skip to main content
Chemical Engineer Banner

Chemical Engineer Interview Questions


Chemical Engineers apply a unique combination of the principles of biology, physics, math and chemistry to solve large scale production issues. These issues can span over many industries and can be related to the production of fuel, drugs, materials, food and other products. 

A Chemical Engineer will typically work in a laboratory, refinery, or industrial plant. They can perform a variety of tasks ranging from designing equipment and processes for large scale manufacturing to planning and testing production methods and facility operations. Chemical Engineers are vital in conducting research to develop new products and improve existing models for companies across several industries.


Chemical Engineer responsibilities may include:

  • Utilize existing processes to gauge the safety of products in regards to the general public and environment.
  • Develop an estimated cost of production.
  • Design safety procedures when handling hazardous chemicals.
  • Design new ways to manufacture chemicals. 
  • Provide onsite consultation and troubleshooting services.


Chemical Engineers are required to have an expert knowledge within the scientific and mathematic fields. In order to utilize this knowledge to design safer, more effective processes, a skilled Chemical Engineer will:

  • Utilize principles from several different fields of study to solve complex problems.
  • Demonstrate creative problem solving skills to further increase productivity.
  • Adhere to strict safety standards.
  • Commit to a lifetime of learning in order to stay on top of new discoveries within the fields of science and mathematics.
  • Maintain a professional demeanor when communicating with team members and clients.



Candidates will typically need at least a Bachelor’s in chemistry or chemical engineering to qualify for most entry level jobs. However, some jobs may also require a professional engineer license, which will require you to pass two exams as well as participate in continued education to maintain your license.



  • Can you explain how the method of "powder coating" works?

  • How can you separate hydrogen peroxide into hydrogen and oxygen?

  • Have you ever delivered a project that was late? How was it received?

  • What is one way to estimate the efficiency of a pump?

  • What is a solvent? Explain it as if you were explaining it to someone that has no background in chemistry.