Chemical Engineering Intern (Summer 2027)
Posted Sep 17, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about a lab or project where you had to control a process variable carefully.
What they are checking: Whether they understand that small chemical changes can affect results a lot.
Tell me about a time you worked with people outside engineering to get something done.
What they are checking: Whether they can collaborate with operators and technicians who know the process well.
What do you want to come away with after a summer at a circuit board manufacturer?
What they are checking: Whether they have thoughtful goals for the internship and their career.
What would you do
Yields drop on a line that uses chemical processing. How would you begin investigating?
What they are checking: Whether they gather data on chemistry, equipment and materials before guessing at a cause.
Your mentor gives you a project with an unclear goal. What do you do?
What they are checking: Whether they ask questions to define scope instead of guessing or waiting.
About the work
Circuit board plants use plating, etching and cleaning chemistry. What chemistry from your coursework do you think applies here?
What they are checking: Whether they can connect classroom chemistry to real wet processes in PCB manufacturing.
How would you use statistical process control to tell whether a chemical bath is drifting?
What they are checking: Whether they understand control charts and the difference between normal variation and a real shift.
What safety practices do you follow when handling acids, bases or other hazardous chemicals?
What they are checking: Whether they take chemical safety, PPE and safety data sheets seriously.
How would you write a work instruction for a chemical addition so an operator does it right every time?
What they are checking: Whether they can write clear steps with quantities, safety checks and verification.
How would you estimate the cost savings from reducing chemical use or waste?
What they are checking: Whether they can tie process improvements to business value and environmental impact.
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As published by TTM Technologies.