Engineering

How to prepared myself to become a mechanical engineer...

I read in class xi and wanna be a mechanical engineer. So pls tell me in which subject should i concentrate more... And what should my attitude...-The most important subject would be Mathematics speci

How much energy does a 75 watt bulb use

For every hour how much would 75 watt bulb cost for the energy. Also how much energy would a 50 watt bulb use and how much would it cost per hour.-Remember the motto: Power is to energy as speed is to

Why does my smoke alarm detect the slightest bit of steam but no amount of cigarette smoke

The janitor in my building is really p1ssing me off because sometimes i forget to shut the door after a shower and 18 floors of 120 apartments has 3 fire engines instantly en route with decibels all o

Which is the most easily usable 3D image maker

im an aspiring engineer and need to make blue prints for a project. Which is freeware or which is easy to learn and use. I dont mind buying it.-Flat-out easiest would be Google SketchUp, but you cant

To Civil Engineering Students, Can I have your opinion

Next fall, Ill take 19 credit hours, do you think its a good idea to do so? The courses in which Im enrolled are: Introduction to geomatics (surveying) with lab Calculus III Mechanics of materials Ph

How much energy does a 75 watt bulb use

For every hour how much would 75 watt bulb cost for the energy. Also how much energy would a 50 watt bulb use and how much would it cost per hour.-Remember the motto: Power is to energy as speed is to

How 'actually' invented the lightbulb

Maybe not who most of you think it is, lets ee how well informed you are-Nicola Telsa, most of his inventions were stolen lol-In addressing the question of who invented the incandescent lamp, historia

How can you differentiate between DI Water and IPA on an FT-IR scan

Here are two IR spectra, can you tell the difference? Water: http://webbook.nist.gov/cgi/cbook.cgi?ID… IPA: http://webbook.nist.gov/cgi/cbook.cgi?ID… IPA: See Infrared spectrum: liquid film near b

What is the intersection of 2 spheres

i know its a circle, but can you please explain to me why? i thought it makes a weird shape that looks something like this; (). thank you in advance for any help.-Draw a side view of the intersection

What are those massive sphere shaped building that the do research in

I know one project was one where people were locked in there for like a year or two years or something. It might be called a biodome? Or something? anyone know what im talking about>?-Biodome is what

Node Voltage Analysis

I mainly just wanted to know if my equations were right, I think that Ive done it correctly, but at the same time Im not sure, haha. Thank you in advance! 1. The problem statement, all variables and

Do modern semi-porous hard plastics become soft over time or do they remain hard indefinitely

Assuming it is constantly exposed to moisture how long would this material be expected to last?-Generally speaking, they gradually give up (off-gas) volatile agents that act to keep them pliable. In o

Japanese Earthquake Engineering Question

My friend said that one technique used to counteract the force of an earthquake on tall buildings was to have a moving counterweight at the top that prohibitted extreme swaying. He said he saw an exam

Which is better for girls, software engineering or electronics engineering

there is no best answer. normally I would suggest electronic engineering due to the fact that studies have shown females pay more attention to small details. this makes them statistically better than

What is the highest paying aeronautical/aerospace engineering companies

Also, which job is better to pursuit, an Aeronautical Engineer or Aerospace Engineer? Which job uses the most Mathematics, because I want more Mathematics. What job is more interesting?-Aeronautical a