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      Amphastar

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      Process Engineer Interview

      16 Apr 2016
      Anonymous interview candidate
      Rancho Cucamonga, CA
      No offer
      Neutral experience
      Difficult interview

      Application

      I applied online. The process took 3 weeks. I interviewed at Amphastar (Rancho Cucamonga, CA) in Apr 2016

      Interview

      I applied through Craigslist and then got a call. I briefly met up with someone from HR and then after speaking with her and going over my resume with her I then had a more technical interview with 2 people. They asked me specific questions about my skills and classes. After this there was an 8 question "Process Engineer" test with multiple sections.

      Interview questions [5]

      Question 1

      Describe the step by step procedure of scaling up.
      Answer question

      Question 2

      What is a polymorph and how does it affect the pharmaceutical company?
      Answer question

      Question 3

      What are the process limits of a centrifuge, an autoclave, and a vaccum?
      Answer question

      Question 4

      Describe the basic engineering principles of how a fridge works? Why is it important to know vapor pressure equilibrium in a closed box that is heating up?
      Answer question

      Question 5

      When you are scaling up why is it important to place special consideration to the heating up and cooling down process? Why is it important to pay attention to the mixing? Name 5 different mixers found in the pharmaceutical industry.
      Answer question
      10

      Other Process Engineer interview reviews for Amphastar

      Process Engineer Interview

      25 Jun 2025
      Anonymous employee
      Rancho Cucamonga, CA
      Accepted offer
      Positive experience
      Easy interview

      Application

      I interviewed at Amphastar (Rancho Cucamonga, CA)

      Interview

      Why do you want to work here? What do you know about Amphastar? Some roles may require a knowledge test Some roles have multi-round interviews. Interview was in person at Rancho Cucamonda location

      Interview questions [1]

      Question 1

      Why do you want to work here? What do you know about Amphastar?
      Answer question

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