factors must be considered in the selection of electrodes?
85798
Factors you should consider when selecting a stick electrode include base metal type, joint fit-up and welding positions.
42678
['Copper: This material is most commonly used for forming current paths in electric circuits. ... ', 'Brass: ... ', 'Aluminium: ... ', 'Constantan (Eureka) and Magnanin: ... ', 'Tungsten: ... ', 'Zinc, Lead, Iron and Nickel: ... ', 'Mercury: ... ', 'Carbon:']
54921
What factors must be considered when selecting which mode of metal transfer to use? Power source, wire electrode size, type and thickness of material being welded, shielding gas available, and welding position.
447969
The electrode from which electrons emerge is called the cathode and is designated as negative; the electrode that receives electrons is called the anode and is designated as positive.
165410
Commonly used lead systems include: 3-lead monitoring, which uses 3 electrodes on the torso; 5-lead monitoring, which uses 5 electrodes on the torso; and. 12-lead monitoring, which uses 10 electrodes on the torso and limbs.
196705
['the manufacturing process;', 'the material used;', 'the sensitivity of the features to variations.']
524255
An active electrode is an electrode that can be oxidized or reduced in half reaction. For example, Cu; Cu can be oxidized to Cu2+ at the annode and one Cu2+ ion can also reduces to a Cu atom at the cathode.
1111691
Under GS38 test leads, used to measure or apply voltages over 50Vac and 100V dc should have: Fused leads • shrouded connectors • finger barriers • identifiable leads • insulated flexible and robust leads • minimum of 4mm exposed tip (recommended 2mm, spring loaded).
561898
During the test, your nerve is stimulated, usually with electrode patches attached to your skin. Two electrodes are placed on the skin over your nerve. One electrode stimulates your nerve with a very mild electrical impulse. The other electrode records it.
1247490
Reference electrodes generally used are hydrogen electrodes, calomel electrodes, and silver chloride electrodes. The indicator electrode forms an electrochemical half cell with the interested ions in the test solution. The reference electrode forms the other half cell.
1339907
['Excitability- can be stimulated by chemical signals, nerves and stretch.', 'Conductivity- the signal for a muscle to contract is spread from the point of stimulation throughout the entire muscle.', 'Contractility- ability of the muscle to shorten.', 'Extensibility- ... ', 'Elasticity-']
1224868
['Substances on he road.', 'Surface condition.', 'Temperature.']
1024133
['Cardiac Innervation: ... ', 'Oxygen Supply: ... ', 'Calcium and Potassium Ions Concentration in ECF: ... ', 'Physical Factors:']
46230
Some of the most prominent alloys and materials used as electrode materials are copper, graphite, titanium, brass, silver, and platinum. Copper is second only to silver in terms of bulk electrical conductivity. Copper has better strength than silver, but offers inferior oxidation resistance.
1242594
By convention, lead I has the positive electrode on the left arm, and the negative electrode on the right arm, and therefore measures the potential difference between the two arms. In this and the other two limb leads, an electrode on the right leg serves as a reference electrode for recording purposes.
668210
Usually, inert electrodes such as graphite or platinum are used for electrolysis. These electrodes do not interfere with the reactions occuring at the surface of the electrode, they simply act as a point of connection between the electrical circuit and the solution.
1093673
The Amperage levels of 4.5 milliamps, a voltage of 2 million volts, or higher along with a “direct contact” time-frequency of 3 to 5 seconds are factors that must be meant.