Is there any thump rule for hydrostatic testing of Industrial valves?

Cooking gas consumption monitor-Is it avilable ?If not any idea about it ?.It is every house's requirement.

hi friends

i am designing one downlight.It is having one diffuser disk.But i dont know its absorptance Or extinction coefficient.I am having its data sheet.

Can anybody explain how to calculate that!

here is data sheet

I am using trace pro for its analysis.

Dear All,

Kindly suggest which starter would be more beneficial technically and cost wise for a 500 KW Induction Motor -

To use a DOL Starter or a Star Delta Starter .

I heard that a Star Delta starter is not available for a 500 KW motor as the motor rating is high. Is it true? Can anyone suggest

Typically, products that require periodic servicing/adjustments or upgrades need to be accessed, and perhaps products at the end of their life-cycles. One industry expert believes generic electronic parts should be reused in future devices. What types of products do you believe should adapt Design f

About 25 years ago, a fellow Crosley enthusiast brought something unique to Crosley collector and historian Paul Gorrell of Burlington, Iowa: a dealership sign made from the outer four inches of either side of a 1949 Crosley convertible, welded together and shortened.

So sometime in the last

= Bone Made Of Wood? =

When you think about it, bone made of wood makes sense. They're both hard, solid, living elements with a porous interior that support a growing, living system. The continuing need for materials to aid in bone regeneration has encouraged a group of scientists from the Ins

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This year, there will be more than $30 billion in grants to support clean-energy initiatives, and private companies are investing as well. Is this too much or too little? Critics say that solar, wind, and other renewables are too expensive and intermittent when compared to traditional fossil fuel pl

Some astronauts are scheduled to leave the space station this month with the remainder leaving in November. As an automation expert, do you have any recommendations for ensuring the safety of the station in the absence of its crew? If the space station starts to lose altitude, what recommendations d

As an energy-saving measure, governments all over the world will soon severely restrict the manufacture and sale of conventional incandescent light bulbs, a technology that has endured for more than 125 years,. Controversy surrounding the move centers on a continuing resistance to the available alte

When they first started using Chargers as highway pursuit cars, I though they were just about the meanest looking things on the road. But with the swoopy-doo styling of the second-gen new Charger, is it still intimidating?

It's trying to be: Dodge just announced new Mopar packages for its p

Google has a young venture arm devoted to funding other tech companies. Only a few dozen people work in it, in contrast to the 28,000 or so in the mother company. But these few are intently looking for the next big thing in design, engineering, and other fields — and shelling out $200 million

I recently got myself a "waterproof" video watch. I have managed to get most of it water tight apart from the time adjustment crown. I know that the pressure at 4m below the surface of the water is 20 psi. How would I get the crown to resist this pressure?

I have a concrete slab floor in my 26 yr old house; The metal in the floor ducts has rotted and sand is blowing through my air ducts I have vacuumed it out but it keeps blowing and getting sand in them. Searched and cannot find replacement ducts what do you do now?

WE ARE FACING A PROBLEM WITH ONE OF OUR CONTROL VALVE ITS OPENING TO SLOWLY AND WE INSTALLED VOLUME BOOSTER RELAY ON THIS VALVE STILL ITS TOO LATE TO OPEN, WE ARE HAVING A LOGIC SAYS THE VALVE SHOULD OPEN IN 2 SECS , SO PLEASE HELP ME OUT WITH THIS PROBLEM , WILL THE AIR VOLUME TANK WILL HELP TO OPE

Will it be a problem to my laptop if I use a different brand AC Adapter to charge battery?

thanks,

Hi, my daughter has a 07 Altima with a CVT. Trying to do the right thing, she did a drain and refill at 60k at a chain. They used an NS 2 fluid, but not the proprietary fluid from Nissan. The tranny went and now the parties are pointing the finger at each other. The color of the fluid used to replac

From National Geographic News:

Trolling a Taiwan fish market for data, researchers reeled in a surprising catchâ€"a deepwater shark unknown to science.

Read the whole article

From Gizmodo:

The US Army's newest aerial toy is a little different than the rest of its drone brethren. Instead of providing overhead video and maybe shooting off a missile, AeroVironment's Switchblade UAV is the missile. Portable, kamikaze death from above.

Read the whole article