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With concrete reinforcement steel what does Y12 bar mean and what does R10 bar mean?
Wiki User
∙ 15y ago
The numbers refer to the different diameters of the rebar used to reinforce the concrete. R specifies round bar. Y or N specify deformed bar. See below. == * Round mild steelreinforcement bar - R6 R10 R12 R16 R20 R24 R28 R33 * Deformed reinforcement bar - N12 N16 N20 N24 N28 N32 N36 * Stock lengths of reinforcement bar - up to 12 metres * S12 Pool Steel - Mild steel bars (not tempcore) that is very easy to bend by hand * Processed reinforcement bars - custom cut and bent to required needs * Dowel Bars - precut, often galvanised round bars used when one slab joins another * Galvanising - Plain Reinforcement Steel bars can also be supplied galvanised *Deformed Bar was previously called Y-Bar eg: Y12, Y16 but through product improvements the tempcore strength was increased (now 500Mpa) and is now denoted as N-Bar as listed above
Wiki User
∙ 15y ago
Anonymous
Y for deformed bar and R for round bar
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A series LCR circuit consisting of R10 ohms and impedence 20 ohms is connected across an ac supply of 200 v rms The rms voltage across the capacitor is?
16.32 volts
How do you calculate the resistance per unit length?
It all depends on the quality of the cable and what is being sent through this cable. If we are talking audio signal, keep in mind that most audio is low powered. For example the microphone and it's transducer has a very low power, unless of course you are using Phantom Power in which case it will increase not only quality but also decrease the limitation of distance and degradation. Yet with loudspeakers you can "get away" with some good distance (of course this is relative). I would not go more than 50' with a 18 gauge wire even if it is speakon with 4 connectors. Yet with 16 gauge or even 14 (if you can find it or you can make it) 100' is a pretty normal run. Keep in mind the run and loss of signal is from the amplifier to the speakers, not the mixer. So to get around that issue you can use a good gauged snake to run from mixer to amp and put the amp on a stage and then connect the speakers to the amp.
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