Mechanical engineer consultant Interview Questions | Glassdoor.co.uk

Mechanical engineer consultant Interview Questions

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mechanical engineer consultant interview questions shared by candidates

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Imagine you have two balls in front of you. The two balls have the same mass and the same volume. However, one of the balls is hollow from the inside. How would you know which one is which?

3 Answers

Different moments of inertia.

Have a listen and see if it's hollow

The one with hollow interior has a greater diameter then the solid one.

Tell me about a time you faced a situation when you failed and how you overcame it.

1 Answer

Four technical questions: 1) two spheres of the same mass and volume, one solid and one hollow. How to do you tell which is which? 2) Car driving towards a cliff, is it best to brake or turn to avoid? 3) Water empting from a horizontal pipe into a container, you're measuring the weight of the container to get a known weight. There is a valve in the pipe which is closed when a specified weight is measured, what should it be set to? 4) A drawer is sticking as you pull it out, what are the conditions for it not sticking?

1 Answer

The questions are all engineering and physics related. Some are targeted to the candidates area of expertise, but most are general. Examples: If you hold a ruler by placing one finger at each end, then move the fingers closer together, will they meet in the middle? If the safety of a patient relies on a liquid medication not being administered too quickly, how do you engineer the syringe to dispense more slowly? If a cyclist is experiencing a crosswind, will they have to put in more effort than they would if there was no wind? You have two balls of equal mass. One is hollow, the other is solid, how do you determine which is which?

Design a device for automated injection of a drug, to be used by a patient. The rate of drug delivery must be limited so that the drugs cannot be injected in less than 10 seconds.

Most difficult question for me was the syringe one from above.

What kind of mechanism can you implement into a syringe to make sure the patient does not go too fast?