My Supervisor is convinced that he saw a spreadsheet for calculating the Cosine curve from the settlement data. I have now spent more than two hours searching online to no avail.
Can anyone provide a link to such a spreadsheet?
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To facilitate responses I will number my thoughts
1.Is it correct that when loads reach a certain level, additional power sources (natural gas turbines, boilers, oil, and coal plants) are brought online?
2.Not all of these additional power sources are located at the same geographically located...
Has the use of a four conductor cable to power and control several devices gone beyond the irrigation market? (Besides the Color LED strip lights.)
If so, where is it being used?
Who are the manufacturers[highlight #FCE94F][/highlight]?
This tank is adjacent to a steep road. When it overflows, the water makes the road dangerous.
The owner wants an alarm indication when the tower overflows. Currently, there is a pressure gauge operated alarm which is not reliable due to the distance from the tank and the elevation. As the...
I have a well and a ground level storage tank. The existing well pump is failing. I need to select a replacement which is much smaller in order to minimize current draw on the electrical system.
Since there appears to be no useful excel sheet to help with the calculations for an old electrical...
Warning, I know very little about PLCs! THIS IS A LONG POST IN AN ATTEMPT TO FOLLOW THE GUIDELINES
(I suspect there is an answer here somewhere, and I have found some great leads by searching it, but the site is sooooooo big.)
I am looking for a recommendation for a timer or PLC/PLR.
This...
NFPA 30 22.7.4* states "Extension of Emergency Vent Piping. Piping to or from approved emergency vent devices for atmospheric and low-pressure tanks shall be sized to provide emergency vent flows that limit the back pressure to less than the maximum pressure permitted by the design of the tank."...
