What is the maximum velocity can be used for natural gas of 9 bar pressure flowing through pipe?

How does a air compressed car work?

Hi

Can we orient Gate Valve Hand wheel at downwards.If no then what would be the problem..

Thanks & regards

Hye guys, I've been encountering a problem regarding collar bolts calculations. . .
Basically, I couldn't provide full threading in bolt holes of tubesheets, So I gave a proposal of collar bolts to my client. Client accepted the proposal. Then we followed the common standard already followed in

Last week , I have installed 75 kW AC drive on 55 kW slip ring motor by shorting the slip rings, for Fly wheel mechanical press application. Everything is fine but with this configuration motor is drawing current about 67 to 72 Amp, which was 45 to 50 Amps when slip ring motor was used without AC dr

I have a 3 phase 400vac power supply whose input is a 4 wire three phase 400ac while output is 3 phase 4 wire variable 400vac. when three phase inputs are supplied to power supply ,everything is fine .but as soon as the input neutral of power supply is connected ,then main input breaker of power sup

From Discovery News - Top Stories:

The mighty berry might be all you need to avoid the damage alcohol can cause.

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From Discovery News - Top Stories:

Researchers say they have found a way to produce and harvest large quantities of a blood protein from grains of rice.

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From Wired Top Stories:

James Jacob Ritty patents the first cash register. It's supposed to be a way to keep his bartenders honest.

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Led by professor Daniel Nocera, researchers at MIT have been working on technology which mimics the photosynthetic process in leaves to directly convert sunlight into chemical fuel. The breakthrough came about when the team came across an inexpensive combination of materials to catalyze the elec

From CBC | Technology & Science News:

A Vancouver company is working to develop a scent that could drive away bedbugs.

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we can measure the power factor correctly by using PLL but i want to know what can be used along with PLL to measure if power factor is lagging or leading.

hi everbody, i m just look at MCB rating and found that the there is no any proper series or order between them like 6 A, 10 A, 13 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A, 80 A and 100A why these rating like this? why they are not in proper series?... is any specific reason for such type of rat

Let me know if these are of interest to you.

http://www.postglover.com/TechLibrary/Neutral_To_Ground_Connections.pdf

http://www.postglover.com/TechLibrary/History_Of_Neutral_Grounding.pdf

http://www.postglover.com/TechLibrary/Grd_AC-DC_Low_And_Med_Voltage_Drive_Sys.pdf

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I use the usual black sheet metal pipe in my basement wood stove but it burns through at the elbow (90') every couple of years. I can't find any heavy duty industrial grade stainless pipe due to our local mills closing down, so I was wondering if there was any way to come up with another material th

From TG Daily:

One of the stars of this year's Specialty Equipment Market Association (SEMA) auto show in Las Vegas was a Mazda Miata MX-5 Spyder.

The vehicle was tricked out with fancy after-market bling, such as a fancy new red Haartz soft top, performance tires, and 17-inch, 10-spoke ri

From New Scientist - Online News:

It may sound like a strange brew, but green tea and red light could provide a novel treatment for Alzheimer's disease. Together, the two can destroy the rogue "plaques" that crowd the brains of people with the disease. The light makes it easier for the green-te

From PhysOrg.com - latest science and technology news stories:

An asteroid bigger than an aircraft carrier will dart between the Earth and moon on Tuesday - the closest encounter by such a huge rock in 35 years.

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From NYT > Technology:

Mr. Opel joined I.B.M. in 1949, as the computer age was dawning, and was the company's chief executive from January 1981 until January 1985.

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From Yahoo! News: Science News:

At 2 a.m. on Sunday (Nov. 6), most of the United States will enjoy the upside to the annual daylight saving time shift - setting our clocks back by an hour.

But be careful how you enjoy it, cautions Dr. Anita Valanju Shelgikar, director of the sleep medic