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Most SMA welding arcs have effective temperatures around:

A. 11,000 degrees Fahrenheit or 6,100 degrees Celsius.
B. 5,000 degrees Fahrenheit or 2,760 degrees Celsius.
C. 15,000 degrees Fahrenheit or 8,315 degrees Celsius.
D. 8,000 degrees Fahrenheit or 4,426 degrees Celsius.

Answer :

Final answer:

The effective temperatures of most SMA welding arcs are around 11,000 degrees Fahrenheit or 6,100 degrees Celsius, which is critical for achieving proper melting and fusion in the welding process.

Explanation:

The question concerning the effective temperatures of SMA (Shielded Metal Arc) welding arcs is related to the subject of engineering, specifically welding and materials engineering. The correct answer to the question, "Most SMA welding arcs have effective temperatures around:" is a. 11,000 degrees Fahrenheit or 6,100 degrees Celsius. SMA welding, or stick welding, generates high temperatures to melt the metal electrode and the workpiece, creating a welded joint upon cooling.

The temperatures in welding arcs are crucial for understanding the welding process, as they affect the quality, penetration, and characteristics of the welded joint. Temperatures much below or above the optimal range can lead to defects or inadequate fusion. The stated temperature range is critical for achieving proper melting and fusion of most metals commonly welded using the SMA technique.

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