Mechanical Design Engineer Interview Questions

2,287 mechanical design engineer interview questions shared by candidates

1) In a horizontal tube with a cap at the end an four holes in the bottom, how would you go about optimizing the fluid flow? 2) What is the difference between creep and fatigue? 3) In the following situations, would you use pneumatics or hydraulics? 3a) Excavator 3b) Elevator 3c) Jackhammer 3d) Car suspension (spring and damper) 4) If a car sits in a garage for a year, what issues would you expect to see when starting it up? (looking for Creep in the tires) 5) If a family has a water heater already picked out, ordered, and on the way, how would they reduce their energy bill? 6) Construction equipment used to be build with primarily gears and pulleys. Now, these almost exclusively use hydraulics/pneumatics. Why? 7) What elements are in stainless steel? 8) Why does stainless steel not corrode as much as mild steel? 9) If you are making something out of steel that will be used in an ocean environment, what can you do to make it more corrosion resistant?
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Mechanical Design Engineer

Interviewed at Electra

3.8
Mar 31, 2023

1) In a horizontal tube with a cap at the end an four holes in the bottom, how would you go about optimizing the fluid flow? 2) What is the difference between creep and fatigue? 3) In the following situations, would you use pneumatics or hydraulics? 3a) Excavator 3b) Elevator 3c) Jackhammer 3d) Car suspension (spring and damper) 4) If a car sits in a garage for a year, what issues would you expect to see when starting it up? (looking for Creep in the tires) 5) If a family has a water heater already picked out, ordered, and on the way, how would they reduce their energy bill? 6) Construction equipment used to be build with primarily gears and pulleys. Now, these almost exclusively use hydraulics/pneumatics. Why? 7) What elements are in stainless steel? 8) Why does stainless steel not corrode as much as mild steel? 9) If you are making something out of steel that will be used in an ocean environment, what can you do to make it more corrosion resistant?

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