why is a carbon brush called a brush?
478746
In the sense of a motor the terminology is from the the early days when wire fibers were used then later found that a brush made of carbon can deliver the power without wearing out the commutator. The carbon brush being of softer material would easily be replaced when worn down.\n\ncheck out the following link:
695811
You should definantly try http://hybrid-genesis.com they have THE best brushes! \n\nhttp://celestial-star.net\nhttp://aethereality.net ~~ Edit\nhttp://noir-atesaki.com\n\n\nThose are REALLY good brushes!
583360
One piece carbon sticks are made from the inside, out. They layer carbon fiber over and over. Each layer gets a coat of epoxy. This is what makes it hard. The epoxy is brittle and the carbon is strong but flimsy. Think of carbon fiber as fabric and the epoxy as peanut brittle (stay with me). If you took a slapper with just an epoxy stick, it would shatter. If you took a slapper with just a carbon fiber stick, it would flap in the breeze. The combination of the two gives it unbeatable strength yet still allows it to flex a bit.
676564
it is because the air u breath and relases has carbon in it n carbon is contigeous.
309431
Activated carbon is used to remove impuuities, as they can be adsorbed onto the surface.
105306
acetylene. usually any carbon compound with two carbons gets the 'nick name' starting with acetyl-  like u take acetic acid for example .. it's got CH3-COOH two carbons hence ACETic-acid
1095939
1. Because it was called water beofore anyone knew it's composition\n2. Because there are common names for a lot of common chemical compounds\n3. It is easier to use a common name for something as common as water.\nI am going to have some calcium carbonate(I think that's the one) on my chips and a glass of dihydroxide. That sounds silly, doesn't it?
339915
http://www.physics.mun.ca/Homepages/Research/brush.html
497335
Here's a picture I think, hope it helps\nor do an image search on yahoo and you'll get more pics.\n\nhttp://www.electricscotland.com/history/america/donna/images/brush%20arbor.jpg
570320
carbon\ncarbon\ncarbon\ncarbon\ncarbon
954322
kakani P wrote an excellent explanation but I wanted to add an example to help you furhter understand a practical application.\n\nThe tooth on the front of a backhoe bucket is a great piece to be carburized.  It could be made totally of high carbon throughout but that would make it brittle and subject to break since it experiences many impacts and shock loads as it encounters rocks (or old concrete from foundations being demolished) and other debris in the soil.  We still would like to have the surface hardened to reduce wearing but we still want the core to be ductile to prevent premature failure.  Carburizing allows us to "have our cake and eat it too".  We can make the surface wear resistent and hard but leave the core ductile and able to withstand large shock loads through the process of carburizing.
408125
I've heard it's good for blowing out the CARBON deposits in the cylinder heads.  Wither it works or not I couldn't tell you.
2963
Carbon tetrachloride.  You could also call it tetrachloromethane.
1034103
Genus, species come in both Greek and Latin names\n\nlotor means washer as the German name for Racoon is Waschbär which obviously means wash-bear.  Anyone who would try to say otherwise hasn't studied enough Latin and Ancient Greek.\n\nlotor comes from an abreviated and archaic spelling of the perfect passive participle of lavo\n\nProcyon προκύον means before the dog\n\nOne must remember that Latin was used continuously for over 1000 years and in that space of time the languaged changed much before it was clearly divided into its vernacular children.
1103972
Hi,\n\nCarbon composition resistor is made of carbon granules mixture.\n\nCompared with other resistors, carbon composition resistor also has lower cost and wider resistance range in general than many other resistor types.\n\nYou may refer to this page to know more.\nhttp://www.kodkodkod.com/files/carbon_composite_resistor.htm\n\nKodKodKod Learning Consulting\nhttp://www.kodkodkod.com/index_files/submitquestion.htm
454429
they are called allotropes.  An example is diamond, and graphite. Both are pure carbon, but the bonding structures are different.  another example is O2 (oxygen gas) and O3 (ozone gas). Both are pure oxygen but the molecules are different.
1168987
graphite and diamond are allotropes of carbon.This is one of the unique properties of carbon.