Hello,

Our plant manager has been charged with improving our power factor. It is currently about 73% and we would like it to be 88% since we get nailed with a monthly penalty if we don't. Currently, we cycle our motors so they shut off after 15 minutes if there is no demand. Most of the

From Neatorama:

YouTube user jairust mounted bottle rockets on his motorcycle. He writes: Before you comment on safety remember that they are made of cardboard and balsa wood. You can buy them at walmart, they don't have explosives in them, any sharp tips, no metal, and nothing t

From Discover Magazine | rsslist:

Groundwater levels around the country have been sinking as wells for drinking water and irrigation pull water out of aquifers faster than they can naturally recharge. Now, using gravity-measuring satellites, NASA and California researchers have doc

From Discover Magazine | rsslist:

It's amazing what artifacts you can find buried in the ice. (No I'm not talking about that leftover turkey that's been in your freezer since last Thanksgiving. Though if you consider that an historical find, more power to you.) Last month Discob

From mental_floss Blog:

I'm as big a fan of Christmas as the next person, but I'm wary of celebrating too much. I like a little eggnog, a few presents, a carol or two. But festive sweaters every day for a month, 10,000 watts of intricate lighting in your yard and holiday-themed s

Will consumers prefer a dedicated e-reader if a smart phone can do the same job almost as well? A teacher I know strongly wants an all-in-one portable device. Her dream is to have all electronics (cell phone, MP3 player) plus keys and subway pass integrated into one device. I hate tools that don't d

Hi everyone. I am trying to install semi rigid high-strength 5\16" nylon tubing on Ford duckbill fuel line connectors. They are the fittings with the barbed ends. I have tried heating the tubing in boiling water with very little success. I have also heated the nylon tube above open flame with better

Why are the ratings of transformers in multiples of 11? eg- 66kv/33kv,33kv/11kv,etc.

Honeycomb shape memory alloys cell size and shape relative to specimen size. And what is the effect of stress concentration?

i mean what is the std formula for calculating utilisation factor.

Hi Guys, I live in the UK and trying to get some electronic components and circuit drawings is almost impossible. I am looking for a website for compatible components in the UK for instance sck054 thermistor AP2761I-A Mosfet Circuit drg for HP LCD 19" Monitor 1907W I have tried the stockists over he

Does anyone know of humidity sensitive paint that change the colour when dry / humid.

It is / was often used on decorative items, Porcelain figures, ect.

Hello everyone;

I will be conducting a vibration test shortly, and I need information on how to mount the accelerometers. I'll first tell my testing conditions

Sine test: 5-100Hz; 20g maximum force between 21-60Hz

Random Vibration: 5-2000Hz; trapezoid spectrum with 0,65 g^

Hai;

I am sure that anyone could help me with this.I need reliable references abt the ASME codes regarding System Design(Conveyor systems) Could anyone help with tha?

Hai Tech Savvys;

I was going through the standards of bearings regarding the design of certain mechanisms (conveyor mechanisms) used in a system design process. My boss asked me to put "operational clearence" for the bearings which are mounted on a shaft.I got confused.I couldn't find a thi

hello all,

anybody know about the dc ct?

application or tch details or upcoming ??any..

is it appilded for Traction system??

After starting the FD fan, why we maintain 30% air flow and -20 mmWC furnace draft? why not above or below this range?

Hi guys,

My customer has just requested me to design a grounding system for his generators.

Basically, he has 6 generators ( 6.6kV) which will operate in parallel.

From his single line diagram and specifications, he wants the grounding to be done indivually for each genera

In ID fan, regulating vane,inlet guide vane both are same or different? if it is different where it is located? what is the purpose of the two vanes?

If te capacity of turbo-generator is 3,500 kW, which is a more proper choice for the generator ? 11 KV or 415 V AC