Engineering Definition and 996 Threads

1. Homework Statement Determine the total magnitude of angular momentum Ho of the particle about point O. The velocity of the particle is 5.5 m/s.Homework Equations Ho= r x mv The Attempt at a Solution The answer is 43.04. My question is, isn't the graph wrong? If you take the magnitude of the...

I have a problem to do with my project in college. I'm creating a hanging fire pit, basically made of 3 lengths of square steel bar connected to a plate at the top and on hinges. The 3 legs of the frame move in slots and when in the open position would be at 45 degrees. The actual fire pit is...

Hi. I'm a physics student in Italy. Within a year I hope to have gotten my three years degree. Usually, after that, physics students continue studying in their field choosing among theoretical, astrophysics, particle, nuclear, etc... Starting from next year we have the opportunity to move to...

Hi all, I am going to graduate school for Aerospace Engineering. I am a bit nervous because of the fact the my undergrad was in physics. I was wondering if anyone was in the same boat or a similar one that may have some good advice for me before I begin my next big chapter in my education!

Homework Statement The 40 ft long A-36 steel rails on a train track are laid with a small gap between them to allow for thermal expansion. Determine the required gap in inches so that the rails just touch one another when the temperature is increased from -20 F to 90 F. The cross sectional...

Hello, I just came across this forum and thought of asking for advice! I am reapplying to Engineering and I am taking summer school (Full term) and need to take 2 more classes to boost my avg. Right now, I am enrolled in Physics II, Calculus III, and ODE and I have to choose two out of the...

Ok guys here's the deal, I was accepted to UC Santa Barbara, Santa Cruz, waitlisted at UCLA for Physics as a transfer A little background: I know a moderate deal of programming, have taken Assembly Language, OOP, Data and Discrete Structures. What I want to accomplish: Create a successful...

I am an undergraduate about to enter my third year of university. I am interested in all of the following fields: plasma physics/fusion research, accelerator physics, fission reactor R&D, and low-energy nuclear physics. I plan to obtain a PhD in one of these and am mainly considering options at...

i am currently planning to pursue a MS in chemistry through a BS/MS. I want to add on a BS in physics or engineering physics (electrical engineering based). I already completed the requirement for a physics minor, but I don't feel like it's enough for what I want to do Or my curiosity.The...

One big coincidence of thermodynamics is that automobiles are usually powered by an Otto cycle This cycle consists of an adiabatic compression (the cylinder compresses), isochoric compression (the fuel ignites, increasing the temperature in too short a time for the piston to move), adiabatic...

So... Even until now, I am lamenting on my masochistic decision of taking up Electronics Engineering as my course. Well, it's not exactly physics, but still somehow related. So I hope you guys don't mind. And alsoo, I reckon this site has a forum for Electric Engineering so... I might be...

Ok so I am in love with electronics and now I want to start learning from the bottom to the top, so that means physics and math, what are beginning topics that I must cover before jumping to circuit analysis and theory? I have a dream and planning to invent new digital device like smarthphone...

Homework Statement The decomposition of phosphine 4PH3(g) + P4(g) + 6H2(g) is first-order with respect to phosphine with a rate constant k = 0.0155 s-l at 953 K. If the decomposition occurs in a constant-volume batch reactor at 953 K, calculate, for 40% conversion of PH3, (a) the time...

I'm currently working towards a bachelor's degree in physics, and then hopefully a master's degree after that. I'm trying to decide if I should finish an associate's degree in engineering science that I almost finished before I switched to physics. My question is if an associate's degree in...

Homework Statement Homework EquationsThe Attempt at a Solution a) stressc = 3.1 x 109 (5655*10^(-6) + 0.471 (-2663*10^-6) = 17.53Mpa P = [17.53 x 10^6 x (7.7 / 1000) ] / (150 / 1000) = 899 947pa = 899.947kPa

I am having a bachelors degree in Mechanical Engineering and worked in consumer products production industry for some 4 years. I decided to go for Aerospace Engineering masters, a complete change of track from my work experience, primarily due to my passion for aviation. I wanted to ask what...

I'm trying to build a fanless computer case for a small electronic device. I'm trying to figure out what type of heat-sink material I should use. I have a solid copper rod about 3cm in length with a radius of .05cm. I've determined and calculated the density, specific heat, thermal...

Homework Statement A 1m^3 steel cube is to be floated on mercury (specific gravity=13.6). On each side of the cube there is a 5mm clearance. Assume that the container is open to atmospheric pressure at 100kPA. Find the mass of the mercury. Homework Equations P=F/A The Attempt at a Solution I...

Homework Statement Determine the highest tension stress and the highest compression stress along the top edge of the intel. Homework Equations stressx = Mx*y / Ix Ztop = Ix / ytop stress (max top) = Mx - Ztop The Attempt at a Solution

Dear forum, let me tell you my story: I hold a BSc degree in petrochemical engineering. I'm 25 years old. I finished my university studies 4 years ago, graduated with honors and have been working in the industry ever since. I have a good job with a decent salary, I can buy stuff and support my...

Greetings, I'm a BE Mechanical Undergraduate and I'm in my third year right now! I have a great passion for Space but ultimately I choose mechanical due to the plethora of career choices and I had a great liking for UAV's(I have a Diploma in UAV design and a Diploma in Astrophysics) Now I have...

Homework Statement Determine all member forces and state if they are in tension or compression, in particular I am looking for member AE and AB[/B] Homework EquationsThe Attempt at a Solution Ok so we are supposed to redo the problems from our exam, only I can't figure out how to find the...

Do fuel lines in airliners need motor pumps or does the fuel flow occur by gravity? If motor pumps.. don't they get out of order in mid-air? If an airplane is hit with an EMP (let's say from atmospheric nuclear detonations).. I think the turbojet can still turn but won't the motor pump be...

Hi everyone, I am a new member in this forum. I am a high school student and will be going to uni next year. I live in Auckland and Auckland university offers both Engineering and Physics courses. I need some advice on which course should I choose and will give me a better position in the job...

A little question about the appropriateness of a certain research subject... Would it be useful to make a study of the computational effectiveness of equivalent codes written with Matlab, Mathematica, R Code, Julia, Python, etc. in a set of typical computational engineering problems like...

So I've decided to switch my major from engineering to physics. I finally got courage to man up and do what I want and I'm super excited. However, I currently do research in the BME department with a professor who is the top in his field. The research is more biophysics/applied physics type...

Hello there! As a current junior undergrad, it is time to start thinking about senior project/design ideas. Although I will be a physicist by degree, I plan on pursuing graduate school in an engineering field (most likely mechanical, aerospace, or something closely related). I still have some...

I am a high school senior caught between these two fields. they both seem very exciting and I am not sure which would be better suited for my interests. In high school, my favorite subjects have been Physics, Chemistry, and Computer Science. I am interested in working to develop: -more...

I am applying for master's degree programme in Nuclear Engineering for this year and considering universities from the following countries: Russia, Korea, Japan, China I have a B.Sc. (Hons) in Nuclear Science degree which I've got it in 2009. Could anyone recommend me any good graduate school...

I'm an international student and I'm going to attend a U.S. college this fall, and in order to decide which college I should pick, I have to make my decision whether or not I would like to major in engineering because the college that I want to attend doesn't have engineering, while the other...

Hi everyone! I am a soon-to-be graduate of the Technical University of Munich and work in the field of Computer-Aided Engineering (CAE) – looking to exchange experience and ideas on CFD, FEA,Thermal Analysis and their applications in product design!

I want to obtain a mechanical engineering degree and work in a respective field in USA. But I will be looking for ME jobs as a naturalized US citizen (I am from Europe, but will soon become US citizen). I heard that it would be harder for me to find a job as any kind of engineer because I...

The "should I switch from Physics to Engineering?" question has been beaten to death - so I’m sorry for repeating a variation of it. But, I haven't found answers regarding my specific case. I just got accepted as a transfer student to UCSB for Physics, which I’m pretty happy about.. because I...

Hello all, I have been accepted to Ottawa and Carleton both for civil engineering co-op, I was wondering if i could get some opinions on which might be the better choice! I have heard Carleton has a better social community, better administration and a focus on engineering. I have also read that...

I have decided I really really really want to go back to school to expand my education into environmental engineering. I currently have a BS in Business Admin from UC Berkeley. I have researched several masters programs, and it is looking like it will be very difficult for me to even get into a...

Afternoon every one. I am a first year engineering student in NZ, For my midterm break report I have to design and make a catapult that can meet these specifications. - hit one target within a 0.1 m radius of a target that is 1 m away horizontally from the base of the model catapult. - hit one...

I've been accepted to Cornell Engineering, and am thinking about doing AEP. I really like physics and math and was just wondering what people thought of it. Yeah I know I should ask people at Cornell, but they're just going to tell me that it's awesome and I should do it. I want to get a more...

So I'm currently in my second year doing biomedical engineering. I want to study physics in grad school, but am at an impasse. I can't do a physics minor because there is no space in my schedule, and I can only petition one physics course to fulfill my engineering electives. So I am debating...

I'm 19 and I have a passion for cars. I'm thinking about pursuing a mechanical engineering degree & possibly creating a company in the future. There's one problem though; I didn't take algebra 2 or any maths after that (I had consumer math in hs). Is the math in mechanical engineering advanced...

I'm currently in community college and will be applying next semester for transfer. The problem is, I'm not entirely sure if I'd like to major in physics or engineering. I have an interest in space science but have difficulty knowing if I'd like something more applied or theoretical. I've heard...

I've been thinking about entrepreneurship in the engineering field. Unlike other fields like computer science, where small companies with small investments often end up becoming huge business, engineering is usually a very expensive thing. So consulting is a way for those who don't want to work...

Whilst I was thinking of hydrogen combustion jet engines. I thought of a little idea... What if you could create thrust with water vapor the same way you could with the exhaust gas of a jet engine. (NOTE: I have no experience in engineering and I only have a mild interest in it). If this is...

I am electrical engineering senior taking a class on power generator, power distribution, and motor design. I am looking for final papers ideas. I am very interested in energy storage and its applications. One paper I found was http://ieeexplore.ieee.org/document/7362184/?reload=true. I am...

I had read a few helpful forums on the pros and cons of going for a masters vs. phd in nuclear engineering. However, I am still confused about one thing. I am considering pursuing a career in reactor design (fission or fusion, will likely make another post to discuss this). Here are my...

Hello, I'm currently majoring in ME with keen interest in fields like mechanical vibrations and fluid dynamics/aerodynamics. There is a ton of stuff that I want to learn in those fields that aren't typically in the subjects of a ME course. I want to work doing CFD and FEM analysis for vibrations...

Hiya, I'm been calculating stress and deflection in rectangle steel plate, I've been using two methods to see if I get the same results but i get different results. I want to confirm the methods I'm using and if I'm using them correctly. I have attached photos of my calculations, any...

Hello, I am building a small car that upon hitting a wall will go backwards, in other words reverse the current flow. I have all the components requiered (resistors 3k and 1k, wires, 6V battery, and an H-bridge, locking button) only thing I do not know is how to connect them all together. If...

I am working on a project and need to create several technical drawings of buildings and structures. The technical drawings will consist primarily of floorplans, schematics, and 3D models. Recommendations?

Hi, is it logicial to get a masters in mechanical engineering after a bachelor of nuclear engineering ? is that going to give more options when it comes to applying for jobs ? expanding opportunities ?

Hi all, I have been accepted to a few schools for nuclear engineering (masters and phd programs) and wanted an opinion on which school has the best groups for nuclear materials research? I have been accepted into the following programs: University of Michigan Texas A&M University Berkeley...