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FAQ

I am a mechanical engineer with limited EI information. In general terms, could someone succinctly describe the following terms: (a) HMI; (b) Gen-set; (c) PLC; (d) UPS; (e) SCADA / Citect; (f) MCC; (g) E-Stop; (h) PCS/SIS; (i) Murphy switch. I know it's a lot, so relatively short answers should be fine - just summed up concisely and correctly. Thanks in advance all you electrically-savvy people!

HMI Human Machine Interface Gen-set Engine generator set for generating electricity PLC Program able Logic Controller used in factory automation UPS Uninterruptible Power Supply SCADA Supervisory Control And Data Acquisition industrial control system using HMI and PLCs Citect the software company that specilized in SCADA control MCC Motor Control Center E-Stop Emergency Stop Stop Control PCS/SIS PCS (Process Control Systems) and SIS (Safety Instrumented Systems) Murphy switch shutdown switch actuated when process parameters are not correct, like shutting down an engine when engine oil level is critically low.

I have heard from a lot of people about the greatness of an EE degree but never got the chance to ask why? So what is so cool about an electrical engineering degree that makes it better than the other engineering degrees out there?

Cool Electrical Engineering Jobs

For a treadmill.I could get a manual for reallly cheap but I had my heart set on an electrical one.I've never really used a manual oneWhat do you think?

Get the Electrical one you will like it more.

Can electrical equipments draw currents or they allow too flow current through them?

Current Draw is just a term for the amount of surrent flowing through an appliance. Current does not flow by itself. Current flow is the result of an electrical pressure, voltage. Just as water does not flow through a pipe unless a source of pressure is applied. Then the flow of water (current) will be proportionate to the pressure(voltage) for a given csa pipe (resistance).

does adjusting the router's position about an inch or adjusting the direction of the antenna affect my laptops browsing speed?

It can indeed. Moreover, adjusting your router position actually increases or decreases your wireless signal. Your wireless signal strength has a large bearing on your browsing speed. However, an inch or two should make little to no difference. But dont rule it out.

I m trying to repair some vintage audio equipment, and I notice these tissue like strips that hold the cables together, without being rolled on. What are those properly called, and do they come in rolls?

Old-style electrical tape was impregnated cloth and not plastic as it is now. There is some still around, it comes in rolls.

I'm a student looking for things that are involved in R and D aside from Scopes, Logic and Spectrum analyzers, Signal and Waveform generators and VNAs. Things outside of what Tektronix, Agilent and Lecroy would be involved with.

You will be constructing experimental devices, for which you will need a complete machine shop and a selection of hand tools. Sooner or later you will need a good cappuccino machine, or at least a drip coffee maker.

Especially from the U.K? I wanted to buy some weighing scales for like ?6, cos like I noticed you can resell them over here in the U.K for like ?50, or are these fake?

the us is in a recession; NOTHING should be bought from China. also, China is a COMMUNIST nation.