hi frnds.....................im in a big problem of solving an equation.can any one help me.....

1135.6sin(x-77.34)-145+2376.8e^(-.2247x)=0

where x is end commutation angle of rectifier..

We have a debate going on here at work. The debate involves measurement of thread. Some people are measuring 5 degrees off parting line so as to not include flash and some are measuring right on the flash. Any ideas or reason why it should be done either way is greatly appreciated.

why would my yamaha blaster have a knock when i just rebuilt the top end

Hi all

When I do concept drawings, they are normally landscape and are printed from my CAD program using deskPDF. I then attach the PDF to an email. When these attachments are opened they always need to be rotated from portrait back to landscape. Is there any way to ensure they open in the co

we are operating 38 sq m amber glass furnace back fire regenerative type having bubbles problem we have all done as we can .like mr aikhh . ive read his problem .if anyone or Mr Aikhh may give better solution will be great help.

Consider me a learner. I want to ask you a simple question so please answer me as simple as you can without any complex/technical detail.

I want to know , what does "Rapid Prototyping" Companies actually do. Will they make an exact running model of the product we want to produce or its just

Can anyone explain how does an electronic speed governer in a DG set works?

Thanks in advance.

From BBC News:

A South Korean rocket appears to have exploded moments after take-off, ending the country's latest attempt to join the space-launch industry. The Korea Space Launch Vehicle 1 is thought to have blown up 137 seconds after take-off, said science minister Ahn Byong-m

From Boing Boing:

In this editorial (PDF), CQ Amateur Radio editor Rich Moseson makes the connection between maker culture and ham radio traditions: "The spirit of figuring out how it works and making it work better (or do something completely different) is so ingrained in our cult

From Wired Top Stories:

The unfurling of a Japanese solar sail, the first demonstration of a new space propulsion technology, went exactly according to plan. According toJAXA's blog posts and photos from the event, the IKAROS spacecraft's sail appears to be in place. It's a big

From Yahoo! News: Science News:

Nearly extinct, tigers can still be saved but efforts necessary for their survival face two huge obstacles: deforestation and the black market, where the big cats sell for 50,000 dollars a piece. A hundred years ago, they still numbered 100,000 a

What is the Hazardous area classification for electrical equipments in the Aircraft stand? Ex,zone,category,gas group,equipment group etc..I mean where aircrafts are parked for fueling and charging. There is underground pop up Pit system for 400Hz power connection to Aircrafts, which is coming in fr

Hi,

I'm designing rectangular structural elements which are subjected to impacts, and there are multiple elements arranged linearly. What is needed is "joints" which can be toggled to "connect" and "disconnect" element to another, by means of electrical actuation. (Clutches are for ro

I have received some RoHS certificates for products that I sell, which are dated.

Assuming that the RoHS laws dont change, then how long are the certificates valid for before I have to ask for new certificates, I have been told 2 years, 4 years and 5 years.

Which if any are right?

Sor

Is there any guideline for replacing the cooling tower fills? We have Cooling tower at clients place where the performance is not as per requirement.

When the cooling tower manufacturer was called in to check he recommend the replacement of fills, Client feels it is only 18 months old Cooling

Dear

what are the reasions for low exhaust temp in gas engine?

ths

dear

what is the formula of IR value in alternator?

(R>3+2*Un Un is nominal voltage express in KV . is it correct give me example)

Ths

Please give me the test procedure of lightning arrestor.

dear all,

why generating power plant operating at above 0.9 lag to below unity PF? why not operating in unity PF, leading PF or 0.8 PF?

Thanking you

What is the corrosion resistance KBK1

This refers to which standard

Request for detailed information any one knows about this

Rathnakumara