an arc is a segment of a circle. If the arc subtends a full angle of 360 degrees, then the arc is a circle; but this is a special case of an arc.
Arc measure is the number of radians. Two similar arcs could have the same arc measure. Arc length is particular to the individual arc. One must consider the radius of the arc in question then multiply the arc measure (in radians) times the radius to get the length.
major arc
arc homophone is ark
The arc is: 19.06 units
True.
Hot air under pressure
A blast furnace is a forge in which ore is smelted to meal, being intensified by a blast of hot air.
Generally no. The purpose of an arc fault breaker is to kill a circuit if water or any other type of element were to intrude the branch to prevent an arc fault blast. They can go bad over wear and tear over time and if not used properly or if the neutral becomes to short to reach the neutral bar or if an arc fault blast occurs the breaker will go bad ofcourse.
80
Hot air is blasted into the blast furnace to burn the coke (a cheap form of carbon) added to form carbon dioxide.
Yes, if you are very lucky, you can get minor burns from an arc flash. In most cases, if you are not wearing appropriate protective clothing, you are likely to suffer severe burns.
The most effective means is to turn off all power to equipment before conducting any work on it. No power, no shock, blast or arc-flash.
80%
It has to be very hot to melt iron cleanly and get rid of the junk.
ARC welding uses large amounts of electricity to melt the metal, not a hot flame. So no, LPG cannot be used for ARC welding.
Coal