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FAQ

I see a a lot of ghost hunting shows where they use something called k2 or kII meters. What are these originally used for?

K2 is a brand name for a type of electromagnetic field detector used for measuring fields induced by power lines and electrical equipment.

Hey, I am starting my first year in university taking a first year general engineering program. I want to get into bionics and I intend to take bio medical engineering in graduate school. However, I'm not sure which path of engineering I should take to get to my goal. I am aware there is a biomedical degree I could get for my undergrad, but I've heard that a ME or EE degree is better as they allow for more job options as well as allow a chance to be in the biomedical field. I'm confused on which field of engineering I should take to get a better opportunity to work on bionics in the future. Mechanical would appear to be the better choice but the body works with electrical potentials and all that and that seems to fall under the EE catagory. **** also how does the two compare in difficulty?

I'm in EE and it's fairly difficult. I hear it's one of the harder ones (according to other engineers), but I enjoy it. It's still not TOO hard. I think that both are fairly important, but I believe that presently the big issue is interfacing with the nervous system/brain, so I might lean toward electrical. But then again, the bionic part itself is mechanical, so I think it just boils down to personal preference.

i have a situation with my computer i don't know what it is but i have done a lot of test so please help me identifying this and how to solve it My build: CPU: i7 5820k MOBO: x99 g1 gaming 5pPSU: seasonic m12 750wGFX: g1 gaming gtx 980 ti

Nowadays is much better understanding how to defend your self because you will never now in what situation you'll be. If you presently take in consideration a self defense than you need to know that you don't require to spend a great deal or income and time for you to get at lessons since the best option in self protection is the program

I cut a deal with my electrical shop teacher. If i tell him how we can relate an electrical class to ski lifts and snowmaking and learn about how they work and the electrical portion of them then hell take my shop to our local mountain Wachusett. Can anyone tell me how ski lifts and snowmaking equipment work and how i can relate it to electrical

Your electric drive motors run on high voltage. Three phase 480v. All of your controls and safety systems run on low voltage. Battery powered, 24 or 48 volt. This is so that the lift can operate properly in the event of a power outage that cuts power to the drive. Lifts have backup drives, usually a diesel generator that can supply power to the electric drive motor, or an actual gas or diesel motor that can be coupled to the gearbox and drive the lift itself. Controls are usually a programmable logic control that monitor proper operation of different components of the lift and through a series of relays send power to the drive. Snowmaking is as aforementioned powered by large electric pumps and air compressors. Air and water are pumped usually from a central location and piped around the mountain to hydrants. Here, the snow guns are connected to the air and water. Some types of guns simply blow the water and air to make snow, while some have motors on them. These plug in to electrical pedestals, high voltage, that are located at the hydrant locations. These power large fans that help disperse the water and also control oscillating guns.

I don't know a lot about electricity, but I know that on earth we ground our outlets, computers, etc. Do they have a means of grounding electricity in space? Are electrical systems more dangerous on spacecraft?

In electrical engineering, earthing or grounding means literally to make an electrical connection between the ground and a metal part. In practice this is usually done by connecting to the ground pin of an electrical socket, which is itself connected to ground. In permanent installations it can also be done by wiring to a piece of grounded metal, most often a water pipe. The main reason for doing this is safety. If a live wire touches a metal part such as the casing of a washing machine, it will become live or hot. If you were to touch it you would get an electric shock. By grounding the metal part, if a live wire touches it the current will flow through the metal part to the ground. This will usually cause a fuse to blow or a circuit breaker to trip, thereby isolating the supply and protecting the user. Despite what a previous answerer said, the ground is not part of the circuit of the electrical supply to your house. A separate conductor, the neutral, serves that purpose. Current only flows into the ground during a fault condition like the one I described above. In electronics, the term ground is often used to mean a part of the circuit which has zero volts on it, and may be used as a return path for electric currents in the circuit and/or a screen against electromagnetic interference. For instance, an electronic engineer may say that a part of the circuit is at 5 volts above ground.

I dont understand how charged particles in the sky would effect the electrical system down here.

It couldn't. Solar flares happen on the Sun. Some solar flares trigger coronal mass ejections (CMEs). If pointed in the right direction, some CMEs reach Earth. Most CMEs are deflected harmlessly by the Earth's magnetic field, causing auroras. Approximately once a century, there has been a CME powerful enough to penetrate the Erath's magnetc field on cause induction in electrical grids: telegraph lines in 1859 and Hydro-Quebec's transmission lines in 1989. Now that we are aware of the problem, warnings are issued and precautions are taken.

If a landlord is renting out an old home and the tenant suffers regular damage to his or her electrical equipment, would the landlord be responsible for having the building wiring updated so that such damage does not continue to occur on a regular basis? What if the cost of such repairs far exceeds the rent that the tenant would be paying? Would the tenant be legally able to break a lease without paying fines in this type of situation?

As long as the wiring was at code when the house was built he does not have to change it. BTW, it would cost about a years rent, you are talking about a major renovation. It is normally only done during other major renovations, not by itself. This does not break your lease. Haven't you ever heard of surge suppressors? Buy yourself some.

construction, agricultural, forestry, medical, electrical HVAC etcwhat it will be the best name for a business that it will supply some agency with all kind of equipment ( for all possible industries and activities)

Well a business aproach will definitely be your best bet. Nothing fancy. You should spend some time brainstorming. Maybe check out some other companies name's for inspiration. Maybe stick the last name of the company owner (you?) in part of the name. Basically just spend some time thinking.