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Battery engineer Interview Questions
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Battery Engineer interview questions shared by candidates
If you have a diving board that is three body lengths long, 1 inch thick and shoulder width wide what dimension should you reduce if you want to decrease deflection the most for the least change?
3 Answers↳
Length
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the thickness is the smallest value of L * w * h doubling the h, will yield 8x less deflection Less
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Change the cross section from rectangle to a "T" or a "W"
Between the following materials, steel, magnesium, titanium, copper, aluminum, which is the most stiff and why? What does the stress strain plot look like for steel versus aluminum? What should you do if you want to increase the force until fracture? What would the stress strain plot look like if you took a material went until ultimate strength and then went back to zero stress and then went back to ultimate strength?
2 Answers↳
The answer is steel
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Steel has the highest stiffness as defined by the Young’s modulus.
Battery Modeling and Simulation Engineer was asked...12 September 2020
Battery Test Engineer was asked...19 April 2021
Q: If a company came out advertising that this whiteboard marker can write 500 miles of ink, how would I test that to be true?
1 Answers↳
A: You could test it by trying different materials, different pressures, different aging of the marker, and at different temperatures. After I answered, they said that I could've also said that the statement is too vague and to take it up to the marketing team. Less
Battery Electrical Engineer was asked...11 June 2016
Battery Engineer was asked...1 September 2019
Battery Electrical Engineer was asked...11 June 2016
Battery Engineer was asked...7 January 2020