Surface finish issues are especially critical in aerospace and medical applications. Chips recontacting the work and high or unstable Built Up Edge (BUE) are the usual suspects of poor surface finish on machined parts, regardless of material. There can be other factors, such as a poorly maint

Well, it's time – this town ain't big enough for all of us, so we're packing up our bags and skipping town. The CarDomain Blog as we know it is going to shift into neutral for now, and we will be relocating to our awesome new party pad: Autoholics!

But here's the crazy thing:

From SPACE.com:

In the coming days, skywatchers will likely be hearing much about the impending return of the famous Leonid meteor shower, which graces the night skies of November each year. When most people hear through the news media of an impending meteor shower, it's likely

From New Scientist - Online News:

Atoms called positronium inexplicably scatter off gas particles as if they were lone electrons, even though they contain an anti-electron as well. The finding hints that engineers could use the well-known scattering properties of electrons as a rul

From CNN.com - Technology:

Earlier this week, one of Google's rock-star engineers left that mammoth company -- population: 23,000 -- for Facebook, which has about 2,000 employees. The departure of Lars Rasmussen, co-creator of Google Maps and Google Wave, is only one example, bu

From AviationWeek.com Homepage:

There were reportedly no survivors following the crash of an Aerocaribbean ATR-72-212 turboprop in central Cuba on Nov. 4. The aircraft was carrying 68 people, including seven crew members, according to local media reports and state authorities. B

Hello, The armature of the jackhammer burnt out. The speed controller followed. When i go back home, I will find some wire to recoil the armature. I unleashed a component out of the potting stuff that looks like a triac or thyristor. It has TOABO TB25 B6C21 10 printed on it. Can someone give m

I have looked on the internet but can not find the answer to this simple question...On photographs from decades back I often see what look like phone poles but they carry six or eight horizontal bars at the top for holding the cables and often lots of cables attached to them. Why did they do this an

We have hundreds of 3-phase, 400/440 volts, 50 C/s, 1450 rpm, 0.8 Pf electric motors of SIEMENS origin coupled with 750 to 2500 IGPM Water pumps. All are controlled through Star/delta Starters. Recently, due to increased electricity tariff and other issues, we are considering to replace the star/

Circuit's Time Constant is normally performed using Step function ,what happen if Ramp function is used instead, is the same time constant obtained for the same circuit ?

Kameel - Belgium

can any tell me in detail the working procedure of wagon tippler & its use & why is it used for open type wagon unloading when there is a option to unload in some other easy manner???

i am having 24 lights of 125 w each and 8 motor operating valves of 2.5 w each .My DB which is connected to it which is 63Amps and 30 Amps ELCB.I need to know if this ELCB is removed will cause any problem for my main DB from which it is connected. i also need to know how e

Does anyone have a general diagram or schematic drawing of a typical barber chair mechanism? This would be very helpful in understanding some of the Q & A's s well as being able to confidently fish around an learn for myself.

Thanks

I have a 600VA invertor which is found to be consuming a lot of electricity at my home. It is connected to a 150Ah tubular battery. But the electricity meter keeps reading always when the supply is provided to the invertor even if no charging indication is seen there. Why is this so? How can I fi

There are spark and chemical tests to identify different metals, but what about plastics?

Hi!

my wife want to know about principer of wastewater treatment technologies FBR. But i am an e engineer so i every one help my family that problem. all information about principer of wastewater treatment technologies FBR please to my mail (nguyenkhoa226@gmail.com)

Thank!

I am looking for a supplier of 40W / 110V copper chokes for tube light fittings in India. If someone can, please provide details.

Hi All

I am in the process of upgrading an old pump with new pump that has higher flow/head output. what parameters should i check to make sure the new pump will be working fine with regard to

suction pressure, flange to flange dimension, discharge pipe pressure rating, discharge p

There is a Transformer of rating 13./6.6 KV, 10MVA, /Υ. If a ground fault occurs between one secondary phase, say r phase to ground then will it be sensed in primary( ) also either by Over load or instantaneous over load? Pls make me understand with necessary calculations.

Could anybody recommend some manufacturers of these type of machinery to do slotted liner for use downhole of the heavyoil wells in sand control?