Mastering Engineering Interviews: A Comprehensive Guide

If you're new here, my name is Tamon, a final-year engineering student at the University of Watero. Tech company interviews, especially from giants like Apple, often involve challenging technical questions. Today, my friend, a former Apple intern, and I will delve into some common questions, focusing on product design and mechanical engineering.


Engineering Interviews Tips



1. How to Reduce a Cantilever Beam's Deflection?


Glassdoor often features this question. To minimize deflection, consider altering length, force, Young's modulus, or the second moment of area. Length and height are crucial as they are cubed in the deflection equation. Changing materials or adjusting force can also impact deflection.

2. The Ball Overboard Scenario: Water Level Change


When a ball is thrown overboard from a boat, and it sinks completely, the water level falls. This is deduced by comparing the volumes displaced before and after the ball is thrown, considering the density of water and the submerged ball.

3. Impact of Shortening a Spring on Its Stiffness


Shortening a spring increases its stiffness. By isolating the stiffness parameter (K) in the spring equation (F = KX), it's evident that reducing displacement (X) results in heightened stiffness.

4. Comparing Stress-Strain Diagrams: Steel vs. Aluminum


Illustrating stress-strain diagrams for steel and aluminum, understanding concepts like Young's modulus, yield point, strain hardening, and necking differentiates their behaviors. Steel generally exhibits a steeper elastic portion, showcasing its strength compared to aluminum.

5. Manufacturing the Back of an iPhone


Breaking down the iPhone's back manufacturing into three components: body, speaker holes, and shine. Processes like machining, casting, milling, and surface treatments contribute to creating the sleek iPhone design.

6. Distinguishing Between Steel and Aluminum Parts


Methods include comparing mass and volume, checking for magnetism (steel being magnetic), assessing melting points (steel has a higher melting point), and comparing hardness (steel is harder).

7. Conclusion and Next Steps


This interview overview provides a snapshot of common engineering questions. If you're interested in more topics, let us know in the comments for a potential part two. Like and subscribe if you found value in this content.

In the next installment, we can explore additional intricate engineering questions. Until then, thank you for watching, and I'll see you in the next video.

Peace.

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