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How many watts per square meter needed for heating?

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No connection between watts and area measurement

Posted on Apr 27, 2017

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Posted on Jan 02, 2017

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If steel rebar sheets are 3.6m by 2m how many sheets would i need to cover 10117 square meters


3.6 X 2 =7.2 sq meters
10117 sq meters divided by 7.2 = 1405.13 or 1406 sheets as you cannot get a part of a sheet
grade 3 maths really

Feb 19, 2017 | Office Equipment & Supplies

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HOW DO YOU CONVERT 185 EUROS PER CUBIC METER INTO SQUARE METER


That all depends on the depth or thickness of the area you want to cover say for example the area you want to cover is 100mm deep you would get 10 square meters covered by 1 cubic meter but the square meters be is all dependent on the depth of coverage required less than 100mm means more square meters thicker coverage is less square meters from the same cubic meter

Feb 06, 2017 | Office Equipment & Supplies

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Hi,I have two 250w speakers at 8ohms ,could someone tell me if I need to get a amp with higher watts than the speakers?k


Speakers are rated either at RMS (root mean square) average power or Peak Power. An RMS of about 125 watt is equivalent to 250 watt peak. To match the radio and speakers they both need to be consistent. Also do not be confused with total radio power out vs per channel.

So if the speakers are 250 watt peak power then a radio with 125 watt per channel or 250 watt peak per channel would be a good match.
If the speakers are RMS 250 watt then the radio would be 250 RMS/channel and usually with a four channel radio a total of 1000W RMS
With that much power the neighbors should hear you coming!

Dec 02, 2015 | Car Audio & Video

1 Answer

What's the conversion formula for sq. ft. to sq. meters?


The square foot is the smaller unit of area, so you will have to divide a measurement in square feet by the number of square feet per square meter. Since there are 10.76 square feet per square meter, divide by that value.

Obviously, to convert from square meters to square feet, you would multiply by that value.

1 square meter is 10.76391 square feet.

Feb 13, 2011 | Garden

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What is the best powered mixer to go with my b215xl 1000watt speakers


The PMP 6000 or 4000 depending on how many channels and effects you need is a good match.

READ THE SPECS... the speakers are capable of 250 Watts RMS (not 1000 as that is PEAK) power... like the ridiculous claims of 4 Hp for shop vacuums that run on 120 volts.

The 4000 and 6000 will generate about 250 Watts per side into 8 ohm speakers so is well matched for the B215XL speakers... by matched we mean the speakers are not likely to get blown out.

Connect a 500 Watt per side amp to the speakers and you will be buying replacements in short order.

ALSO realize how much sound you will get from the speakers.. they will cover a 2000 square foot venue fairly well. I suggest you get a sound level meter so you have a metric of levels when you are using the system. If you need more sound, you can add a second set of the speakers in parallel.

Feb 09, 2011 | Behringer PMP6000 / B215XL Powered Mixer...

2 Answers

What is the total WATT output on the Sony MHC-G101 mini hi-fi 3 CD changer, dual cassette home component system? I misplaced the owner's manual, and I want to know how much power it has. // Tks


According to page 24 of the manual, it delivers 11 Watts RMS (route mean squared) per channel into 8 ohm speakers.

Elsewhere in the manual, you'll see references to "15 watts per channel" and as much as "25 watts per channel". The 15 watt value is valid when putting up with some 10% THD (total harmonic distortion), this value is 11 times higher than the .9% THD value given for 11 watts per channel. You tolerate .9% THD now, but you wouldn't want to listen to anything with 10% THD. The 25 watts per channel is what they call "Music Power". Watts is an electrical term, "music power" is not. You could use it to compare other devices that only offer "music power" values, but the best indication of how it will perform is based on watts in RMS, into an 8 Ohm load (most speakers are 8 ohms). The lowest THD values are best.

From the manual:

AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 8 ohm loads, both channels driven, from
70 - 20,000 Hz; rated 11 watts per channel
minimum RMS power, with no more than
0.9% total harmonic distortion from 250
milliwatts to rated output.

I hope this helped!

Nov 23, 2010 | Sony MHC-G101 Shelf System

1 Answer

What is the resistance for heating elements on rheem ruud E10-18-G need to be tasted at


You can calculate the resistance if you know the volts and watts or amps.
Resistance = volts / amps
Resistance = volts squared / watts
Resistance = watts/ amps squared

Mar 08, 2010 | Ruud Heating & Cooling

2 Answers

Heater sizing


12000 btu's per 500 square feet is a good rule of thumb

Jul 19, 2009 | Fahrenheat Electric Convector Baseboard...

1 Answer

How much space do I need?


Not exactly sure what the question is or if it is even an aircon question. If you would like to calculate the heatload for the room so that you can choose the right size aircon, you can work on around 650BTU per square meter. Then add on the heat generating factor of the various additional equipment you intend to operate in the room. Hope this helps.

Mar 17, 2009 | GE Heating & Cooling

1 Answer

How to size a room for baseboard.


HERE YOU GO CALCULATE THE HEAT @ 10 WATTS PER SQUARE FOOT , TAKE THE LENGTH X WIDTH X 10 AND THIS WILL TELL YOU THE AMOUNT OF WATTAGE YOU NEED . MOST ALL BASEBOARD HEATERS ARE RATED @ 250 WATTS PER LEN FT AS TO SAY A EX. A 4FT HEATER IS 1000 WATTS , MOST OF THE THERMOSTATS ARE RATED @ 20 AMPS AS IS THE 12-2-WG WIRE TO RUN TO HEATERS AND THERMOSTAT DIVIDE THE TOTAL WATTAGE BY THE LINE VOLTAGE USUALLY 240VOLT IN US .AND THIS WILL TELL YOU THE CURRENT DRAW ----WHICH CANNOT EXCEED 20 AMPS ON 12-3-WG AND THAT IS THE LIMIT OF THE THERMOSTAT AS WELL THESE STATES APPLY 99% OF THE TIME I DO REALIZE THERE ARE EX BUT HAVE USED THESE FORMULAS FOR 35 YEARS OF DOING MY WORK AND THEY DO FINE

Dec 16, 2008 | Fahrenheat Electric Convector Baseboard...

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