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Mechanical design engineer Interview Questions

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PARI
Mechanical Design Engineer was asked...5 November 2013

need to join tomorrow are you ready?

11 Answers

yes

Yes sir

Yes I am ready to join

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Cummins-Allison

Asked questions about injection molding part, any sensor technology used in previous job.

5 Answers

SUMMARY OF QUALIFICATIONS 40+ years experiences as Senior Civil Engineer worked on projects in land development, water, sewer, grading, hydrology, CPM schedules, drainage, transportation systems, geotechnical, seismic retrofits, structural designs & construction as Senior Project Construction Manager, Structure Representative, Project Design Engineer, Resident Engineer, Chief Inspector Sr. VP for various horizontal/vertical Public Works & Private projects, Partnership, P3, staffing & reviews (Projs. Cost $4+ billion). EDUCATION B.S. Civil Engineering- Florida International University (FIU) (Florida State, Miami, FL), Miami, FL 1979 Less

40+ years experiences as Senior Civil Engineer worked on projects in land development, water, sewer, grading, hydrology, CPM schedules, drainage, transportation systems, geotechnical, seismic retrofits, structural designs & construction as Senior Project Construction Manager, Structure Representative, Project Design Engineer, Resident Engineer, Chief Inspector Sr. VP for various horizontal/vertical Public Works & Private projects, Partnership, P3, staffing & reviews (Projs. Cost $4+ billion). EDUCATION B.S. Civil Engineering- Florida International University (FIU) (Florida State, Miami, FL), Miami, FL 1979 M.S. Environmental and Urban Systems. Also, M.S Urban Transportation. FIU, Miami, FL 1983 Wrote a master thesis on a major public works project Which saved the owner net net about $100 million present value & about 3 years by implementing the findings, redesigns, value engineerings, & recommendations. P.E. Licensed Professional Civil Engineer Registration No.: 53250, California, Current, not expired, clear. Less

40+ years experiences as Senior Civil Engineer worked on projects in land development, water, sewer, grading, hydrology, CPM schedules, drainage, transportation systems, geotechnical, seismic retrofits, structural designs & construction as Senior Project Construction Manager, Structure Representative, Project Design Engineer, Resident Engineer, Chief Inspector Sr. VP for various horizontal/vertical Public Works & Private projects, Partnership, P3, staffing & reviews (Projs. Cost $4+ billion). EDUCATION B.S. Civil Engineering- Florida International University (FIU) (Florida State, Miami, FL), Miami, FL 1979 M.S. Environmental and Urban Systems. Also, M.S Urban Transportation. FIU, Miami, FL 1983 Wrote a master thesis on a major public works project Which saved the owner net net about $100 million present value & about 3 years by implementing the findings, redesigns, value engineerings, & recommendations. P.E. Licensed Professional Civil Engineer Registration No.: 53250, California, Current, not expired, clear. Less

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Sensata Technologies

How do you determine the direction of fluid flow in a pipe without directly interacting with what's inside?

5 Answers

Relative height of two ends

Measure the longitudinal strain at two points along the path of the pipe. The flow direction will be from highest to lowest strain. Measures shear stress. Measure lateral strain like longitudinal strain, associated with fluid pressure. Pressure gradient will be from high strain to low strain. Less

Using atleast 2 Ultrasonic wave transmitter/receiver

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Can you be able to stand in the workshop and be able to handle a team of workers and solve if any problem arises at that very instant with enough confidence in yourself and make firm decisions?

2 Answers

yes , I can do this task with confidence and maximum efficiency

Yes i have handled around 12 driver in my precious work experience in a Transportation & logistic company & also i have gained the confidence how to motivate our employees & make them work for their maximum efficiency Thankyou Less

Tesla

1. Why do you want to join Tesla?

4 Answers

what position? was it base level GD&T or deep. Example?

Did they actually send a rejection email or just ghost you with no responses?

There's a lot of elements to typically cover in these questions, clarifications, scoping, making sure you're answering the actual question the interviewer is looking for you to answer, etc. Could be worth doing a mock interview with one of the Prepfully Tesla Mechanical Design Engineer experts... they've worked in the role so they clearly know how to get through the interview. prepfully.com/practice-interviews Less

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SpaceX

Of a fixed cantilever beam with a point load on the end, "Where would this fail? Why?"

3 Answers

In the base of the cantilever beam as a result of the bending moment. The bending moment decreases as one approaches the end of the beam (lever arm is reduced) whereas the shear force remains constant throughout the whole length of the beam. Less

Failure generally occurs at the fixed end (where max bending moment occurs), specifically at the top or bottom corners where bending stress is maximized (sigma = Mc/I). Assuming long slender beam. Less

Cantilevered edge, where the highest tensile load is due to bending moment.

Tesla

If you had a hot coffee mug in a room, what information would you need to derive the heat transfer equations?

3 Answers

You need to know the temperature of the air the room, whether the air in the room is still and if not the speed of any air current, the temperature of the coffee, the height and diameter of the mug, depth of the coffee, the mug material and its heat conductivity. Less

You need to know the temperature of the air in the room, whether the air in the room is still and if not the speed of any air current, the temperature of the coffee, the height and diameter of the mug, depth of the coffee, the mug material and its heat conductivity. Less

Considering an inside room's optimal temperatures around 25 - 30 celcius and a hot coffee is around 80-90 degrees it will be as hot as room is in half an hour. So if noone show up after a few minutes i'll drink it anyway , no reason to waste... Less

Wenger Corporation

What is something you wouldn't want your previous supervisor to tell us?

3 Answers

That I have bad hand writing

found this question juvenile and immature

The interview is over as of now. How intrusive can you get?

Tesla

What happens to the temperature in a kitchen that's had the refrigerator door open for the whole day?

3 Answers

Increase

The air temperature will gradually increase as the refrigerator is not perfectly efficient and produces more than 1J of heat for every 1J removed. This is only true if the kitchen is sealed. Of course if the refrigerator is closed the sealed kitchen would get warm more quickly. Less

Refrigerator's engine will be broken after a few hours depends on how old it is.

Klein Tools

If you have a set of pliers with the jaws 2" from the fulcrum and the lever 8" from the fulcrum, how much load do you have to apply to get 500 lbs of force on the jaws?

3 Answers

125 lbs

The engineers here are nothing special. Eng Mgr has limited experience and only really at Klein. All of the heavy lifting is done in China. The VOM they make are from China. Less

Really didnt know the answer, since Id never had to do any of this in my previous job. Less

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