Which of the following is not a reason to use recirculation cooling water systems on FCA welding systems.
Oa. Better gun cooling.
b. Chemicals in the water can prevent freezing.
c. More portable.
d. To conserve water.



Answer :

Final answer:

Recirculation cooling water systems in FCA welding systems serve to provide better gun cooling, prevent freezing, and conserve water, with improved portability not being a primary reason.


Explanation:

Recirculation cooling water systems are used in FCA welding systems for various reasons, but more portability is not typically one of them. These systems are essential for better gun cooling, preventing freezing due to chemicals in the water, and conserving water. Using recirculation cooling water systems allows for faster responses to changes in coolant temperature and heat-transfer surface fouling.


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