[Selected]: All categories ➔ Science & Mathematics ➔ Engineering
and then charging it?
For long-term longevity of the battery.
2007-09-15 10:19:30 · 6 answers · asked by Anonymous
We have recently found a way to burn salt water using radio waves, and turns H(2)O int HHO. About how long until we should expect to use salt water as fuel?
2007-09-15 08:48:28 · 15 answers · asked by ~JennyBunny~ 7
how much does 1800 watts per hour cost per hour,and a month at the end of the month?
how much watts is a regular computer?
how much watts is lighting for a room?
how much watts is for a tv?
Thanks!
2007-09-15 08:22:51 · 8 answers · asked by Anonymous
in a HW rectifier with a capacitor filter..what is the rms value of the AC ripple voltage??
eg...for a full wave rectifier it is given by Vr/(2*sqrt(3))
2007-09-15 08:09:23 · 2 answers · asked by 621 3
In an industry that produces PVC tubes i want to suck the HCL gas that is produced near the machines away from the building.
Now thw industry uses two big fans on the roof sucking the air (and the HCL gas) of the room out of the building but this is not enough.
Do i have to use plastic fins for the new fans ?
Also i am thinking of using tubes near to the machines to drive the HCL gas out through the fans.
Any suggestion ?
Book, article, company, etc. to find something ?
2007-09-15 08:09:09 · 1 answers · asked by gnusselt 2
work because i cant include pressure in them . the variables are D=diamter of pressure vessel, d= diamter of barrell, L= length of pressure vessel, l = length of barrell, t = time for valve to open, g = weight of projectile, p = pressure in psi/bar and i can use the frictional force of the barrel material and projectile material if needed
2007-09-15 05:50:18 · 2 answers · asked by mrx 1
2007-09-15 05:14:52 · 2 answers · asked by dieselbgood 1
2007-09-15 05:03:52 · 2 answers · asked by Anonymous
Auxiliary power supply: a) Explain the different options for auxiliary power supply of a
normal gas turbine power station sketching the corresponding single line diagrams. b) Which
conditions determine in the design phase (on the supply side), which option is chosen?
c) When and how is the auxiliary power supply switched over to another source? Three
typical examples are enough.
2007-09-15 03:27:56 · 2 answers · asked by meesogynist 1
"Vacancies for freshers in australia in mechanical engineering in jobs?"?
2007-09-15 02:44:31 · 1 answers · asked by kanwal a 1
2007-09-15 01:39:53 · 5 answers · asked by tony d 1
2007-09-15 01:38:32 · 4 answers · asked by tony d 1
2007-09-15 01:21:27 · 5 answers · asked by tony d 1
2007-09-14 23:02:49 · 3 answers · asked by Brenda H 1
2007-09-14 20:50:58 · 1 answers · asked by lonely heart 1
2007-09-14 20:24:06 · 4 answers · asked by Ash_Jx 4
ex:india has it as 50 hz and US as 60 why??
2007-09-14 18:25:46 · 4 answers · asked by Arun 1
yeah I'm a noob to electronics...does it work to attach a capacitor to a battery to a switch...so when you flip the switch on it'll charge the capacitor? bonus! could i attach two wires to the capacitor so when it's charged i touch those wires on something conductive and it will spark?
2007-09-14 17:42:01 · 2 answers · asked by tatsumasax 2
I want to invent a waterless automated carwash so the earth can conserve it's precious water resource. Can I trust those 800 Invent agencies that advertise on TV all the time? I already have an unrefined mini design in my garage that works.
2007-09-14 16:33:01 · 4 answers · asked by ev1go 2
My goal is to demonstrate how water flows uphill by creating a small water pump and pumping water through small tubes. I need something NOT LARGE OR BULKY and inexpensive. I would like to build it myself...links, designs, and guides are good.
2007-09-14 16:12:47 · 3 answers · asked by Anonymous
2007-09-14 15:41:35 · 2 answers · asked by Ash_Jx 4
I need to know who invented the pump and its uses. any sources you could give me would be more than awesome.
2007-09-14 14:10:55 · 3 answers · asked by arquerozdm 2
2007-09-14 13:26:09 · 9 answers · asked by Anonymous
Are the shapes diff as a result of the frequencies? to differenciate? and what's the point of having different frequencies? is it a question of "newer" or more industrialized coutnries having lower frequencies or the other way around?
2007-09-14 12:56:57 · 4 answers · asked by Anonymous
What is meant by "priming a pump" or "to prime a pump" . THANKS
2007-09-14 12:51:06 · 6 answers · asked by 株式会THE CITADEL 株式会 4
Which elevator comes to me?
2007-09-14 12:37:07 · 4 answers · asked by jaxattax 2
The battery inside is a 9.6 V ni-cd pack 700MA
The charger i used to use for my transmiter was a 12v dc adapter
Can i use a 12 v car batery charger 5 amp
Will this give me to much power or will the handset just take what it needs ?
2007-09-14 12:23:04 · 3 answers · asked by Anonymous
looking to convert a 3 pin dmx fixture over to a five pin
2007-09-14 12:22:55 · 1 answers · asked by James V 1
Is there any other way of testing whether or not you have a 1944 Steel penny that won't damage the penny. The magnet test doesn't seem to work cause even when I try to get a 2007 penny to stick to the magnet...it won't. So is there some kind of magnet needed? Like power wise or anything like that, if not then I need to know what are other ways of testing the 1944 penny.
2007-09-14 12:04:24 · 6 answers · asked by Hitsuke 1
2007-09-14 11:45:45 · 6 answers · asked by brans59 2
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