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measure
Measure is a fundamental concept of mathematics. Measures provide a mathematical abstraction for common notions like mass, distance/length, area, volume, probability of events, and — after some adjustments — electrical charge. These seemingly distinct concepts are innately very similar and may, in many cases, be treated as mathematically indistinguishable. Measures are foundational in probability theory. Far-reaching generalizations of measure are widely used in quantum physics and physics in general.
The intuition behind this concept dates back to Ancient Greece, when Archimedes tried to calculate the area of a circle. But it was not until the late 19th and early 20th centuries that measure theory became a branch of mathematics. The foundations of modern measure theory were laid in the works of Émile Borel, Henri Lebesgue, Johann Radon, Constantin Carathéodory, and Maurice Fréchet, among others.
Hi there, I have the following system boiler setup with a low loss header and four different circuits. I've set the boiler flow to different levels between 65 to 70 degrees but the surface temperature readings never seem to reach much above 55 degrees into the LLH - I have tried a clip on...
Hello, running pipe isn’t a standard part of my day to day as a power generation engineer but occasionally install inch fuel pipe for fuel delivery systems. I am now about to take on a more in dept installation and was after some advice regarding the maths and industry methods of measuring the...
I need to replace some shower doors as they are falling apart and the manufacturer is no longer trading. I have fitted loads of adaptation style ones, which is usually a measure of tile to tile or tile to end finish, eg another door. However I’ve been looking at the new Mira range, but can’t get...
Hi lads,
I hope you all are ok.
i was wondering if anyone could help me out and give me some solutions on how to solve the low water pressure.
System: sealed system,
Boiler: condensing boiler, British gas
532/i
373 FD 690
GC no. 47.406.02
Serial No. 05703
Problem: once you open the...
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Has anyone played this game? Put the end of a tape measure in someone's mouth and see if you can roll a Malteser down it.
Don't use the one in the tool box god knows what manky ness is on there.
Has anyone played this game? Put the end of a tape measure in someone's mouth and see if you can roll a Malteser down it.
Don't use the one in the tool box god knows what manky ness is on there.
Alright guys?
i don't really do any plumbing work but a friend has asked me to look at his toilet as you have to pump the handle a few times to get a decent flush. So in guessing the siphon membrane has failed.
my question is though, how do you size the siphon? Just measure the height of the...
Hi there.
Quick bit of advice. Is it possible to retrofit something that will measure the amount of hot water in your hot water cylinder?? We had it fitted about two years ago and is covered entirely in a turquoise green insulating foam. It's impossible to tell how much hot water there is...
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Hi all, just getting to know the place. Can anyone advise me on how to measure the part on a radiator where the lock shield fits please (I think that's what it's called as its the opposite end to the thermostat)?
We've had some decorating done and afterwards noticed the old Crestalux cap was...
Alright guys, still a few more posts (I don't wanna post willie- nilly) until croppie let's me talk dirty;-) but look at this! I'm not sure who is worse.... The bloke who fitted the new boiler downstairs and can't read a tape measure or the 3 blokes who quoted to replace the old boiler, in the...
Work is going ok been at this company now for 5 or 6 months and work is varied!
Could be putting a boiler in one week, then on maintenance the next. Anything from replacing syphons, filling valves, washing machine valves, showers, repairing leaks. Then there's the other stuff doing appliance...
Hi all,
I'd be interested to hear how you all measure mains flow rates/pressure in a house.
I'm soon to install a 10kw electric shower in a friend's house. I'm a student plumber. My tutor has advised me to check the house's flow rates and pressure are enough for the shower.
I've got a flow...
When people talk about 10mm wire for electrical shower ( 10.5kw), Is it the measurement of the diameter of a single cable ( the live for example) or is it the diameter of the whole 3 wires coated??
Sorry, amateur.. ;]
Thx!
Hi - we want to replace the taos in our bathroom. - what do i need to measure to get a size of tap to buy??
do i measure the o utside thread of the old tap? - confused.com
I recently removed the DHW plate hex on my Vaillant Turbomax to descale it. The o rings were fine, so I just petrol. jellied them and reused.
It did occur to me that if I wanted to replace them, I have large selection boxes of metric and imperial o rings. In the absence of the manufacturer's...
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