Tesla Engineering Intern Interview Questions and Answers

4h to complete, a lot of basic electrical engineering questions

Q1. Chemical Engineering, interview with a chemical engineer in the Cell Team, asking about different reactions, basics
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Q2. What type of reaction occurs on the surface of most metals when exposed to air?
Ans. 
Oxidation reaction occurs on the surface of most metals when exposed to air.
• Most metals react with oxygen in the air to form metal oxides

• This process is known as oxidation

• Examples include iron forming iron oxide (rust) and copper forming copper oxide
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Q3. What happens when magnesium is dropped in water
Ans. 
Magnesium reacts with water to produce magnesium hydroxide and hydrogen gas.
• Magnesium reacts vigorously with water

• It forms magnesium hydroxide and hydrogen gas

• The reaction is exothermic
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Q1. Interview with an electrical engineer
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Q2. How would you measure 10^-6m surface defects in the surface of battery cells during validation
Ans. 
Surface defects in battery cells can be measured using advanced imaging techniques like scanning electron microscopy (SEM) or atomic force microscopy (AFM).
• Utilize scanning electron microscopy (SEM) to visualize surface defects at nanoscale level

• Use atomic force microscopy (AFM) to measure surface roughness and defects with high resolution

• Implement image processing software to analyze SEM or AFM images and quantify the...read more
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Q1. What previous engineering experience do you have
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Q2. Why do you want to work at Tesla
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