Why do you want to work for NNL?
Chemical Development Interview Questions
2,120 chemical development interview questions shared by candidates
Name a time you had a challenge during work and how you overcame it
Heat exchangers design, reflux ratio , efficiency, pumps calculation
How do you use your morals to guide your decisions?
Why is Chemical Engineering important to GSK?
How would you design a mixing chamber with two different liquids?
Basic behavioral questions like "How do you deal with people in groups", "What do you consider you biggest weakness", etc
They drew out a process flow diagram for a spray dryer and asked me to talk about how the temperature, pressure and flowrate of all of the streams would effect the outlet temperature. Then they asked me to write out an energy balance on the system. This was a really long and involved question. I also had to answer questions about the drying process and Fick's law.
There was a question about fluid flow and an accelerating plate. I had to draw the velocity profile for different situations. They asked about shear stress.
What are you biggest accomplishment in life?
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