| Subject | Date Asked | Expert |
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| Mechanical Engineer | 5/1/2007 | Al Hall |
Q: In my critical thinking class we are researching careers. My ideal career is Mechanical Engineer ...
A: 1) I am in a rapidly changing area of Mechanical Engineering. I would call my job rapidly changing. ...
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| science project in engineering | 4/25/2007 | Pat March |
Q: My son has to do a project involving launching ping pong balls through some sort of cylinder for a ...
A: I think air pressure would be a good way to do this. Shop for mailing tubes that will closely fit ...
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| Steam Turbine Exhaust Pressure | 4/24/2007 | Al Hall |
Q: I work in a production facility with 3 steam turbines. I am curious about the following; I would ...
A: I do not really have much experience working with steam turbines that exhaust at such a high ...
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| A Career in Mechanical Engineering | 3/28/2007 | Al Hall |
Q: My name is Robin and I live in Edmonton, Alberta. I am interested in becoming an aerospace engineer ...
A: Engineers can branch into any field they desire, provided that someone is willing to pay them, and ...
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| Mechanical Engineering Interview | 3/23/2007 | Al Hall |
Q: My name is Hameed dadi... how can I go through the salary-negotiation?? how can I tell them i want ...
A: I hope that you realize that your salary should not be the most important part of your job. I think ...
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| Heat transfer(Spray condenser) | 3/9/2007 | Al Hall |
Q: Sir I am designing a spray type condenser and would like to know how to calculate the mixing length ...
A: I am afraid that I do not know anything about a mixing length calculation for a condenser. I also do ...
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| burning smell | 2/28/2007 | Al Hall |
Q: I shut off my ford explorer sport SUV vehicle and I get a burning smell. It smells like burning ...
A: Well, Ellen, I am not a vehicle expert, but from what you describe it sounds like you have a short ...
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| solid fuel heating problems | 1/23/2007 | Al Hall |
Q: Really hope you can help. We stay in Scotland and have moved into an old stone cottage with solid ...
A: Well, Home heating systems really is not my area of expertise. But from your description, It sounds ...
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| stalling | 12/28/2006 | Pat March |
Q: what is talling in axial profile fans
A: I don't know what "axial profile" means, but assume it means an axial flow fan. Stall occurs when ...
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| Abaqus CAE | 12/20/2006 | Aroosh Shahbazian |
Q: Maybe a simply question. How do I control the thicknes position when using shell parts in modelling ...
A: NOT FAMILIAR WITH ABAQUES, BUT IN GENERAL MOLD-LINE GEOMETRY SHOULD BE AT THE CENTER OF THE ...
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| Mechanical Engineering Interview | 12/12/2006 | Pat March |
Q: my name is Megan Kraus and I am currently a sophomore at Delran High School in New Jersey. I am ...
A: 1. I wanted to be involved with aircraft and engine development. 2. Developed the EasyBake Oven Toy ...
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| need career guidance | 12/11/2006 | Pat March |
Q: I began working as a design engineer in the truss industry after graduating with my BS in mechanical ...
A: Hmmmmm! Working 6.5 years designing trusses then getting fired. That would scare me off as a ...
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| engineering software | 11/17/2006 | Al Hall |
Q: Aside from AutoCAD, what are the most important software packages I should know how to use to make ...
A: Well, certianly Excel, and Lotus, Word and Wordperfect. A good data base software, like Microsoft ...
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| water cooling system | 11/16/2006 | Al Hall |
Q: Ok, thks for contact. HUmm, OK. But you know a book or paper or internet link that could help me ...
A: Im sorry, I am not aware of any paper that would describe your system. It is really a matter of ...
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| interview | 11/6/2006 | Al Hall |
Q: The questions are 1)Who are you currently employed by and how long have you been working for this ...
A: 1)Who are you currently employed by and how long have you been working for this company? TXU, which ...
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| Calculating Oil Boiler Efficiency | 11/2/2006 | Pat March |
Q: Sir, I operate an Oil Boiler using UNITHERM oil as the heating liquid (instead of water) to ...
A: I don't think it is possible to calculate boiler efficiency without measuring lots of things. You ...
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| powered cart project | 10/31/2006 | Pat March |
Q: I have a project that involves making a motorized cart. The cart is used to move objects. These ...
A: Speed: The army marches at 120 steps per minute, each step is 2.5 feet. This is 5 feet per second. I ...
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| steam trap | 10/16/2006 | Al Hall |
Q: what happen if i didnot use a steam trap and how does it work? how can i avoid water hammering in a ...
A: A steam trap is used to avoid the rapid expansion that occurs where the pressure changes suddenly, ...
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| Gear and ball bearing that allow sliding through | 10/9/2006 | Pat March |
Q: I realized I did not phrase my last question to you correctly, I started off with a gear and ended ...
A: Howdy Jules, I came up with two solutions. The first avoids ball bearings. Imagine the gear ...
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| mechanical engineer interview | 10/5/2006 | Al Hall |
Q: 1.) As a mechanical engineer what are your major duties and responsibilities? 2.)What is your ...
A: 1) I work in the electric power generation industry. I have expertise in thermodynamics, heat ...
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| Mechanical engineer interview | 9/28/2006 | Al Hall |
Q: my name is Justin Penfield and I am currently a junior at Southington High School in Southington, ...
A: 1) What is your specialty and what do you work on? Within Mechanical Engineering, my specialty is ...
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| project | 9/28/2006 | Pat March |
Q: I am a mechanical engineering student and this year I have a finsihing project. I want to design ...
A: How about: A folding molded plastic chair? A miniature two-conductor connector for electric round ...
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| Interview | 9/28/2006 | Pat March |
Q: I am a junior in High School who is enrolled in the Project Lead the Way program. I was wondering if ...
A: Duties and responsiblities: Wildly variable, but will always include the need for accuracy and ...
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| Turbine exhaust pressure | 9/27/2006 | Al Hall |
Q: The design vacuum of a steam turbine is -0.88kg/cm2g, because of low cooling water flow in the ...
A: Good question. When you loose condenser vacuum, you certianly loose turbine power. This means that ...
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| Continuous Load on a Rotating Shaft | 9/26/2006 | Pat March |
Q: The problem goes like this, "A shaft is machined of cold drawn AISI 1020 steel. It is rotated at ...
A: Howdy. This is not a simple problem. You can calculate the section modulus of the bar. This is Z= ...
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| Hole in C6X10.5 Channel | 9/25/2006 | Pat March |
Q: Sir, I have a project, I need to put 1/2" diameter hole in a channel. An eye-bolt will be ...
A: Howdy Hardip, My quick impression was that this would not cause stress problems, but I decided to ...
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| mechanical engineering | 9/23/2006 | Al Hall |
Q: We have to choose a field of engineering and interview an engineer that is in that field. I chose ...
A: 1. What is your job title and job description? Presently, my job title is Senior Design Engineer. I ...
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| mechanical engineering | 9/23/2006 | Pat March |
Q: We have to choose a field of engineering and interview an engineer that is in that field. I chose ...
A: 1. I do not currently have a job title. I am retired. I have been Director of Research and ...
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| Building with straws | 9/12/2006 | Pat March |
Q: i need to build a structure out of nothing but 20 drinking straws and sticky tape. It must b as tall ...
A: Howdy! If the straws are rigid enough and a good straw-to-straw connection can be devised the best ...
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| mechanical engineering interview | 9/8/2006 | Al Hall |
Q: I am in an Beg. Engineering class and i have a report due tomorrow. im not sure how long this takes ...
A: 1. How many years did it take for you to complete school? I did it in 4 years for undergraduate ...
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| dowel rigidity | 9/6/2006 | Pat March |
Q: I am making a rather wide roman blind where weight may become an issue in ease of raising it. I ...
A: Therew will be little difference between hollow sections with various cross sections. But hollow is ...
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| E-mail interview??? | 9/5/2006 | Al Hall |
Q: 1.Please describe your engineering field? 2.What is your job title? 3. please describe your job ...
A: 1.Please describe your engineering field? I am a Mechanical Engineer 2.What is your job title? ...
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| automotive radiators | 8/25/2006 | Al Hall |
Q: I am trying to find out the heat transfer capability in BTUs per minute for the radiator of a ...
A: I am not an expert in automotive radiator heat transfer. However, I did a search on the internet, ...
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| kilowatt-hour consumption | 8/23/2006 | Al Hall |
Q: how do you compute for the kwh consumption of an air conditioner unit given its horse power rating?
A: 1 horsepower = 0.746 kW. If you wanted to measure the power, you could measure the amperage ...
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| Gears & Bearings | 8/21/2006 | Pat March |
Q: Do you know anything about bearings? Can you find out for me whether bearings can reduce frictions ...
A: I think you are a bit confused. We usually think of two classes of bearings: Those with rolling ...
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| dx geothermal heatpump | 8/17/2006 | Al Hall |
Q: system uses copper tubing w/freon buried in earth,if you aware of any such plans or a direction to ...
A: I am not aware of any such plans. I have designed/built a ground sourced heat pump before, and this ...
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| power plant performance analysis | 8/1/2006 | Al Hall |
Q: is there any free software available on the internet that can be used to find power plant ...
A: I am not aware of any free software for determining power plant performance. No matter what software ...
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| Value engineering in Automobiles | 7/27/2006 | Pat March |
Q: sir, Will you pls tell me about how to do value engineering in automobiles. Which components have ...
A: Howdy Kiran, I have three books on value analysis. So it should be obvious that I wont be able to ...
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| lpg | 7/13/2006 | Al Hall |
Q: just gone for a test drive and found out that the engine runs well on lpg but wont run on petrol.the ...
A: I am sorry that I am not an internal combustion engine troubleshooter. I would suspect that your ...
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| Consulting engineering | 7/10/2006 | Al Hall |
Q: I was wondering how a consulting engineering firm obtains its business/clients. Do they bid on jobs? ...
A: The company I work for is a Design and Building firm. Yes we bid on jobs for which we are ...
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