Watching the news a few moments ago, some before and after pictures of the earthquake damage in Haiti was shown. These pictures were contributed by Google. The "after" pictures mean they got the pictures within the past couple of days. These pictures were obviously taken from US Government satellite
Category Archives: Aerospace
Polarisation – Depolarisation (PDC) and Retuen Voltage Measurement (RVM)
Hello .....
Could you inform me what is the standard references to interpretation of PDC and RVM in relation to water content in the solid insulation for Oil Filled Transformer and how to calculate S/M (Siemens per meter) to % water content during PDC or RVM test..
Thank you for all
R
Update on 1991 Isuzu Pickup
went out today and worked on the truck. I replaced the fuel filter, Distributer cap and rotor and plug wires. I followed the line from the filter to the front it went to the back of Engine to the fuel rail. disconnected the line and cranked it over No fuel comes out, But if I take the line off at th
Give me Sustainable Steam Heat
When one prominent US door and window manufacturing firm needed a new way to produce up to 100,000 lb/hr of steam, they turned to mechanical engineers to design and develop an environmentally friendly, energy efficient system. The resulting $22 million steam-generating facility allows the manufactu
Rapidly Recovering Radiance
Waste heat needn't be wasted. This engineered, industrial grade waste heat recovery boiler system retrieves the heat expelled from diesel motors, incinerators, and steam and hot water turbines. Complete electrical and/or pneumatically controlled system packages are available for on-site assembly i
IEC or IEEE or ASTM Standard Numbers need
Dear friends,
I want the IEE,IEC or ASTM standards or other standard Numbers for following Tests (methods of procedure and interpretation).
1. IR Value
2. PI Value
3. Tan Delta and capacitance
4. SFRA and PD.
5.
current carring capacity of conductor
what is the current carring capacity of conductors? can we load 75% of the rated current for safe operation?
material steel
i want to know an equiuvalent of saph 45d in din standard.
is it find?
hardener and chemical
i want to know which hardener i can use in concrete mix to make designer tiles . and how i can make the fiber effects on the surface of tiles .
460.8kbps 422 to tll conversion
can anyone help suggest a 422 to TTL convertor full duplex chip. the data to be transmitted is 460.8kbps.
i have googled alot but found no such chip.
kindly suggest a highly effecient alternate.
is that possible to convert 422 to usb and then usb to ttl, how would that be?
Cable Hipot Before Megger or Megger Before Hipot
Hi:
Would you please answer the following questions?
Should the AC Hipot test be done before the Megger testing? Or should the Megger test be done before the AC Hipot? Or it does not matter.
Would applying one before the other cause damage to the cable?
The protective dev
dss pipe
i want to know 12" dss pipe thickness
302 Cobra Jet Mustang?
A couple years back, I posted some pics of a 1968 Cobra Jet Mustang, and it's prompted a few reminiscences over the years, most recently from Patrick Popejoy. PK recalls that in his youth, he had a notchback '68, full CJ lettering, functional Shaker hood, four-speed, woodgrain interior, in gre
Google Android Invasion
By now you've probably heard about Google Android due to the recent Android phones that have been released; but, the truth is, Android is a lot more than just a "Google phone". Android is software designed to be a complete platform for mobile devices, which includes an open-sourced, mobile ope
Mass flow rate
Dear friends,
Kindly help to me, i want to know the flow rate of 4" & 6" steam pipe line. I know Pressure only. The pressure is 20bar.
thanks.
subra
Sizing Resistors for Reduced Voltage Primary Resistance Starting
I am an instructor for an inside electrical apprenticeship program, and I am teaching motor controls. We already have an entire room set up as a lab for motor controls that we built ourselves with a significant ammount of donated equipment. Therefore we have a variety of motors at the lab stations
TSM,PSM
How to set relay on the basis of TMS,PSM
Tunguska Event
Scientists cannot agree on the cause of the blast that rocked Siberia, so I would like to present my idea.A little far fetched, but maybe plausible:
The area is a huge swamp, and swamps generate methane gas.Earthquakes were reported in the area around the time of the blast.Imagine these quake
Absolute Pressure vs. Gauge Pressure in Steam Turbine Condensers
Hi I m here. I working in one of the best power plant (KAPCO) in Pakistan. I want to get comments on the abiove question.Thanks
Bi-Metal Controls for Firebox Temperatures
Does any one of any bi-metal Damper/Draft control for maintaining firebox tempatures on wood-burning furnaces?
Jim