How to calculate the total Kwh generated per month by a diesel generator using Kw. Kw of the generator is taken every hour. Shoud I add all these values to get total Kwh for the month?

There are two 11Kv/415V , 1000KVA Power Transforemers to cater the factory load of around 800KVA. I want to run one transformer alterantely in every 15 days keeping the other completely switched off from both HT & LT side in order to save power ie no load loss of one trasformer ,considering one

From Wired Top Stories:

Thanks to its compact, comfortable design, the Cougar is as cuddly as a kitten. The optics are excellent too — objects popped out of the dark like monsters on a carnival ride. Like the LN-PB3 from Luna, these use a combination of first generation ni

From mental_floss Blog:

Today's bizarre-but-true video: zebra finches playing electric guitars. They're not all that good at it, but they rock roughly as hard as an untrained human would. From the YouTube description: French artist Céleste Boursier-Mougenot … creates a

From BBC News | Science & Environment | UK Edition:

China overtook the US during 2009 to become the leading investor in renewable energy technologies, according to a new analysis. Researchers with the Pew Charitable Trusts calculate that China invested $34.6bn (£23.2bn) in clean

From Discovery News - Top Stories:

Why spend the time and expense necessary to harvest energy when you can simply steal it? For the first time, scientists from California and Korea have successfully stolen an electric current from algae. The research could eventually create a ne

From Discovery News - Top Stories:

The National Renewable Energy Lab, which is funded by the U.S. Department of Energy, has some new deputies in its push to develop cheaper, more efficient solar cells. Meet the NREL bots. In the shiny Process Development and Integration Laborato

From Discovery News - Top Stories:

Mars Exploration Rovers (MER) Spirit and Opportunity have surpassed their designed mission lifespan by an astonishing six years, but don't let that fool you into thinking their mental capacity is suffering. Far from it. With help from the ME

Dear All

Recently I come across an issue related to valve trim material:

As per our approved Valve Material Specification the trim material should be 11-13% Cr steel. But as per the manufacturer data sheet the trim material is ASTM A105 + Stellite. Do this material comply with 11-13% C

In the past 7 days I have replied 4 queries in CR4, but it does not reflect in the updated posting, which can be seen in the right hand top corner.

I want to know how and why it is not getting up-dated. I am logging in before writing and posting.

dhayanandhan.s,

cr4 member,

ind

Stuey found this:

Homepage

We can of course turn this into a Pointless argument about climate change.

What will that accomplish [Entertainment value aside]?

If we were designing an initiative of our own, what would it look like.

Do you like their format?

Th

According to base on two stage reciprocating compressor. how to calculate counter weight of crankshaft of machine ? we have two throw machine.please give me detail description.

From where pressure is generated in pressure Vessels..............?

Dear sir

How can we develop the blank in sheet metal give its formula

I'm a casual user of CAD software and I only use it for electrical control panels (contactors, transformers, etc.). I can't afford AutoCAD Electrical for my small business and would like to know if there's a good alternative for my limited use. I'd like something with basic electrical templates and

Does this metal Hydride Storage system have any real commercial potential.

http://www.hydrogencarsnow.com/blog2/index.php/hydrogen-fuel-storage/laser-hydride-cd-storage-for-hydrogen-fuel-cell-vehicles/comment-page-1/#comment-4905

I have the propeller shaft torque data acquired at 1hz frequency.Also engine & propeller shaft rpm data is collected at same sampling rate. How to find the engine torque from this available data ?

A search for the best jobs in the U.S. entailed analysis of 7,000 occupational categories and exclusion of those with median annual pay below $65,000. The most promising had to be recession-proof and require at least a bachelor's degree. The top-ranking professional pursuit was judged to be systems

Awareness of water footprint as the new ecological footprint is brought to the fore by the energy-fresh water supply dilemma. Energy production is dependent on water availability and the resource strain increases with growing demands from fossil fuel, solar thermal, and other energy sectors. Improve

Some pundits call electric vehicles "coal-fired cars" because the major source of electric power comes from coal generation. In many cases, electric vehicles don't really reduce emissions, but instead just relocate them from highways to power stations. Will these facts cut the acceptance rate of ele