Engineering Definition and 997 Threads

Homework Statement The right triangles of the plane truss are all the same. What are the forces in members BH and HG? Diagram for question is below, or a link: http://puu.sh/nsw1k/aad8a8b134.png Homework Equations n/a The Attempt at a Solution Reaction force at A + reaction force at E...

How can I self-learn mechanical engineering? Some background: My dad has been in the business of Ball bearing for last 20 years. Whenever some smart-ass guy asks him any question he gives out learned answers(20 years of experience does teach people something). But apparently my dad doesn't...

Hi, I am studying civil engineerin. I wonder if learning quantum physicist could be worth it for my career. I know that as an engineer I can get a master degree in physics, which have a lot of topics of modern physics. Do you think it could be a good idea? I mean, these new knoeledge is helpful...

I wanted to post the conjecture from this new paper which has recently been published within this past month - here's a direct link to the paper: http://arxiv.org/pdf/1602.01439v1.pdf Could an experimental apparatus consisting of oscillating masses be used to generate miniscule gravity waves...

Hey guys! How are you? This month I have to decide which engineering branch I want to study. The ones I like most are civil and mechanical. But I don't hate any of the other branches. My goal is possibly to become an entrepreneur and start my own business. Which one would be better? Thanks a...

Hi, I was just accepted to this program and was wondering if anyone has had any experience with it. It seems quite rigorous, but my main concern is that I know little of the school. The research looks quite interesting and I know that Kentucky is injecting large amounts of funding to the local...

Hello, I've seen lots of friendly people giving good advice here and wanted share my current graduate school situation with you guys and see what your opinions/advice are. I recently graduated with a Physics B.S. and loved it. I have a strong interest in atomic physics and radiation interaction...

Homework Statement At T1 the root mean square speed (rms) of compound P is 485.2 m s-1 and at T2 the rms speed is 504.1 m s-1. Using this data and the fact that T2 – T1 = 24.0 °C, determine the molar mass of P in g mol-1. Homework Equations From problem statement you have: (3·R·T1/M)1/2 =...

Homework Statement "Determine the polytropic process index 'n' from the initial and final condition parameters of the air (gas) in the air compressor cylinder." Im struggling with this question on my thermodynamics coursework and was wondering if anyone could help me out a little bit...

Hello! My hobbies are tinkering on my computer and mathematics. Physics is not bad but I do not love it like I do mathematics. I like the logic and analytical skills that it requires. I like solving problems. I recently dropped out of Aeronautical Engineering because I simply did not like over...

hi guys, i am in a bad situation and i need some tips :( i attend the first year of chemical engineering, but i have doubts about my choice... My university gives me the way to change my course in electrical engineering, and i am thinking to change. I'm not sure that chemical engineering is a...

I need to know why the Engineering stress increases after reaching the yield stress point, and continues to increase until reaching the UTS. Am I correct when I remember that there is strain hardening that occurs along the region from Yield stress to the Ultimate tensile stress? Engineering...

hello everyone, I just need some advice from others right now, so I'm going into the field of renewable energy engineering. more importantly I just wanted to know about the job prospects, where it could be in the years to come,job settings ( what would be the environment I would work in ?). and...

Homework Statement Calculate the magnitude and coordinate angles of the resultant couple moment, caused by the forces. Homework Equations M= r x F The Attempt at a Solution M3= -0.2* 80k= -16k M2= 0.2* 120i= 24i M1= -0.2*100j= -20j M4= r x F= ? I just can't seem to be able to expres r into a...

Hi all, I am currently taking calc 2, physics 1, engineering statics and two gen eds. I am struggling in my statics class mainly because I am having a very difficult time understanding vectors. My academic schedule has me actually taking it my third semester (i'm currently in my second...

hi everyone , I have one small question , i am a high school student in UAE i love physics , math and chemistry i want to be an engineer what is the best major that Contains all of my love subject not only Contains but also be an important subject to success on the major . sorry if i write a...

Hi I'm starting an engineering club in my school and I'd like some ideas of engineer-like projects to make. I'm really concerned with it being interesting and it being something that people want to be a part of considering my school is pretty uninvolved. The projects I have in mind emphasize...

I have been struggling to understand how to do this question so some guidance would be great. A racing car of mass 941kg accelerates from 28km/h to 102km/h over a distance of 297m. Frictional forces and wind resistance can be assumed to be 1160N. Determine the following: a) The average...

Hello everyone,I am a mechanical engineering student and yesterday I convinced my professor to work on a project where it will be published in a journal about one year from now.I really don't know where to start as there are countless of highy-respected researches at top universities such as...

Hello everybody, I'm new here and this is my first thread. Just wanted some feedback on my situation. I want to go back to school because I feel I have peaked out and I'm not pushing myself to see my full potential. I have always loved math and science. I want to go back for engineering and I...

Hello, I'm a freshman in college, currently dual majoring in Nuclear Engineering and Physics. Recently, it has been brought to my attention that to secure an internship in the nuclear (or some physics) fields, I would need to obtain level L security clearance with the DOE, and further on to get...

How do you get deflections of a fully restrained beam? :) I already solved for the propped reactions and end moments.. I'm not sure how to do that part. :/ ありがとうございます。 :)

Right now I am a student in first year engineering. The main reason i joined engineering is because I like physics and I love math. Right now I'm starting to question if I even want to be an engineer or not. It's not the work or difficulty, I do really well for myself. I'm just unsure if I want...

Hi,I am enrolling in an Electrical engineering program at one of the best schools in Europe (RWTH Aachen, Germany). Starting at the 4th semester, I will have to choose one of these fields of concentration : -Power engineering -Nano and Micro electronics -Information and Communication...

I'm in my last semester of my Nuclear Engineering B.S. at Michigan and looking at M.S. programs. The main schools I'm looking at are University of Michigan (already applied), NC State (already applied), University of Tennessee (accepted upon receipt of degree confirmation, final marks, and...

Homework Statement 1–80. The thrust bearing consists of a circular collar A fixed to the shaft B.Determine the maximum axial force P that can be applied to the shaft so that it does not cause the shear stress along a cylindrical surface a or b to exceed an allowable shear stress of 170 MPa...

Hello..What do you think of the course Electronic and Information engineering course? Is it a good course for industry? I don't know much about this field. I would like to do master in computer science/engineering or electrical related fields. Is it a good degree? These are the modules: -...

Okay so here is my idea, not really sure how well (if at all) it would work but I am wondering if it would be possible (assuming battery technology is good enough) to ionise air in front of a formula 1 car (or plane or whatever) giving it a charge (like the way lightning works) , then creating...

Hi, I'm interested in this master's degree with a concentration in plasma physics at the University of Washington. However, I realized that the Aeronautics and Aerospace department department is part of the College of Engineering and I don't really want to follow engineering centric courses as...

Typically, I should ask an expert in photolithography about this, but, there are barely photolithographic engineer in our department so I decided to ask experts here. Where do you usually buy a reliable photoresist, what company in particular?

Is it possible for any student having a bachelor's degree in engineering to pursue a second bachelor's degree in another branch of engineering? I got my first bachelor degree in chemical engineering (from Africa, low gpa for personal issues at that time). I was traying to get into master...

1. Homework Statement There are multiple parts to this question, but I have only got through the first 2 before getting stuck. Please could somebody give me a hand as I am really struggling :frown: (a) Calculate the phasor voltage of the voltage source and the phasor current of the current...

In the case of inverted pendulum attached in a cart with external force U on it, the equation of motion is like U - mg(theta1) - mg(theta2) = m*dv/dt I don't really understand the mg*theta part what does it mean ...should not be sine or cosine fn there with theta ? can anyone give me some...

1. Homework Statement Given the picture, find theta, and the magnitude of the force going from point A to B. I have asked multiple people how to solve this problem and they have no idea, I end up getting 2 equations with 2 unknowns but then when I try to solve for theta I get 70cos(theta) -...

I was wondering how to approach building a bridge which must lie across to points of differing points (one end is elevated 5 cm off the ground), meaning the bridge lies at an angle across a 35cm expanse. How would you calculate the forces exerted on each member if the bridge does not lie...

Hi everybody, I'm looking for some advice in what to do for choosing a career in a few weeks i'll be able to change my career path, I've recently applied for a career change in my school and next february 11 they'll tell me if my change of career is approved. it's very likely that i´ll obtain...

I'm a Physics Undergrad Junior, and I'm currently studying for the GRE's but I don't even know what I want to get a masters in. I refuse to go for a PhD in anything primarily because I don't want to be used as slave for 4+ years, and I have no direct passion in anything. My ideal requirements...

Homework Statement I am trying to make a model of the attached drawing but am having trouble visualising the middle part of the drawings. I was wondering if someone could describe it to me Homework Equations - The Attempt at a Solution I think it involves two of something like this...

Hey everyone. A friend of mine has recently finished high school and is unsure of whether she wants to pursue medicine or biomed engineering. She tells me that she's equally interested in both. However, she's currently inclined towards medicine, mainly because she has been told by certain people...

Homework Statement Okay, so these are usually pretty easy for me to understand, but this one doesn't make sense. 10 kg of water in a piston cylinder arrangement exists as saturated liquid/vapor at 100 kPa, with a quality of 50%. It is now heated so the volume triples. The mass of the piston is...

I'm a high school student, and I am not sure if I want to get a degree in engineering (electrical or aerospace) or physics? I would like to go to graduate school eventually and get a job in industry. My interests: I love everything about space, and I would love to work for a company like SpaceX...

Hi everyone, Hopefully someone out there has gone through this as well, or can weight in on it in some way. I have a MET degree from 2007 with a cumulative gpa below 3.0. I want to get into the aerospace industry, and I'd really like to get an advanced degree to maximize my career...

Hi, I'm new here and I'm here to seek for help... I have this school project, I'm supposed to create an app (Funny that they asked an engineering student to do programming huh?). Basically this app involves beam calculations. It's supposed to suggest an appropriate beam sizing ( the cross...

Hi! Thank you for reading and (hopefully) responding. I am really desperate right now. For my science fair project, I need to build something that works or does a task. Last year my friends built a linear accelerator and someone else built a potato gun. These are things that work. I desperately...

going to be graduating with a bachelor degree of mechanical eng. (with automotive major) and equipped with CAD skills (CREO(good), NX (good), CATIA(basic)), FE Analysis Intermediate level in ANSYS(throughout the internship) and CFD experience (in bachelor thesis). Apart from English, can speak...

Homework Statement The rain cloud has an approximate volume of 6.50 mile3and an average height, top to bottom, of 350 ft.1 mile = 5280 ft. If a cylindrical container 6 ft in diameter collects 2 in. of water after the rain falls out of the cloud, estimate the total weight of rain that fell from...

Homework Statement If the bulk modulus for water at 70∘F is 319 kip/in^2, determine the change in pressure required to reduce its volume by 0.3%. Homework Equations E = dP/(dV/V) E - Bulk Modulus dP - change in pressure dV - change in volume V - volume The Attempt at a Solution Well I just...