Engineering

I need to interview a mechanical engineer

Im doing a career project in high school and im wondering if anyone here is a mechanical engineer or knows anyone who is,i have called people but they either hung up,didnt answer the phone call,or did

How much air pressure can a typical air vessel about the size of an LPG cylinder withstand

Also please let me know the estimated volume of air that can be stored in a steel vessel the size and thickness of an LPG cylinder without any danger of rupture.-That tank will have a maximum pressure

How much water will a cubic foot of activated charcoal hold

Since activated carbon has a weight of about 0.47 grams per cc you can calculate the weight of one cubic foot of it. Using the density of carbon, you can then calculate the porosity of the activated c

Engineering: Why are my questions hidden

Because of a software bug or feature. A new question identical to a previous one, in a forum, pushes the older one down by 6 pages. Look 6 pages down to fine the others. Meanwhile quit this please

Why was hidden the research of Nicola Tesla ? how does his power generator work

Could i save using this generator in the cost of the electricity?-Tesla notebooks and many of his papers that he was working on were mysteriously taken from his room the day he died. However, he never

I am interested in robots,what i have to do for bright future.

Go to college, dont do drugs, and never stop moving forward. You may want to look into a school like Georgia Tech. here is a list of some good schools http://education-portal.com/articles/Top_Schools_

What is the range of the gain Vo/Vs

http://i52.tinypic.com/15zyts.jpg-When the pot is turned to zero, the gain is 100k/10k = 10 When the pot is turned to max, the gain is 200k/10k = 20 .

Easy Grade 9 Electricity Question

A standard dishwasher has an EnerGuide rating of 592 kWh. What is the cost per week to run the appliance if electricity costs $0.068/kWh?-592 kWh per year / 52 weeks per year = 11.385 kWh per week 11

LM386 Amplifier Help

Hi I just assembled the minmum parts model shown here: http://www.biltek.tubitak.gov.tr/gelisim/elektronik/dosyalar/6/LM386.pdf Everything makes sense to me except the audio out(Pin 5) Before the D

How do you find the current in a circuit due to a changing magnetic field

A square circuit has a wire connecting its two sides. There is a magnetic field going out of the page that varies B = .001 * tthe resistance per length of wire is .102 When the magnetic field is .9 w

What does an AC-DC Adapter do

I have one for my old school Gameboy Color but i dont even know what its purpose is or what to do with it haha. it has 2 prongs going in opposite diagonal directions and i dont know why...-AC means al

10 points, Current electricity problem please help, waiting for answers..

I stuck into this problem, plz help, Circuit is http://picturepush.com/public/5541688 Find charges on 3uF and 6uF capacitors. Thanks in advance.-The resistors form a voltage divider, so the voltage

Lead free solder vs lead solder

I am replacing a fuse on my tv and the pcb says lead free solderall i have is lead solder.an I still use it?? Thanks-New electronics are required to be built with lead-free solder by the RoHS directiv

What is the best textbook that explains how to design digital to analog circuits to use in an RF transmitters

Also, are there specific IC devices that accomplish this?Which brands?-See data sheet of DAC 5682Z if that is what you need. There are 16 technical documents associated with this. Please go through th

Design, develop and demonstrate a simple open loop and closed loop feedback control system like temperature c

(Design, develop and demonstrate a simple open loop and closed loop feedback controlsystem like temperature control system, liquid level control system, steam pressurecontrol system, positional contro