LPI Intern Screening 2020

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* 1. Please enter your name, email address, phone number, university, major, expected graduation date, and availability dates to begin/end a paid internship at LiquidPiston in Bloomfield, CT.

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* 2. Please show and describe your experience in the most “in depth” area of your expertise. How did you become interested in this niche? What do you know that sets you apart from other students? We are looking for depth, so please go into as much detail as you would like.

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* 3. Please describe the most complex part you have personally machined. If we ask you to mill a keyway into a steel shaft, using a 1/8" tool, how will you decide RPM, feed rate, and depth of cut?

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* 4. You are asked to find a supplier for a prototype flywheel (quantity 1), and get it quoted for manufacturing. What information do you need to provide to the machine shop in order to get a useful quotation? Please describe your strategy for selecting a supplier once you have the quotes. How long do you expect this process to take?

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* 5. You are asked to perform FEA on an engine flywheel to calculate the maximum stress at 9000 RPM. What forces do you need to consider? What software will you use? How will you sanity check your results? What are some common FEA setup issues that you have encountered in your past experience?

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* 6. Have you ever rebuilt an engine? Please describe this (or your most complex mechanical, hands-on experience). Which parts did you find challenging, and how did you learn?

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* 7. You are asked to decide if an X engine rotor should be made from an Aluminum or Steel alloy. Before doing any in depth research, what are some advantages and disadvantages of each material for this application?

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* 8. What tolerance is appropriate for the outside diameter of an engine crankshaft journal, where the connecting rod attaches? If you don't know, how would you find this information/what things need to be considered?