1. Of the following answers, which is NOT a method to control dangerous welding processes? Purge gas damming systems Glove boxes/bags Fume-less electrodes Backing plates

The correct option is;

Purge gas d a m m i n g systems

Explanation:

The hazards that can occur during a welding process includes exposure to molten metal, hot s l a g, flying sparks, ultraviolet light, skin burns from chemicals, inhalation of toxic fumes, fire outbreak, and electric shocks

The purge gas is meant to protect the weld pool from contamination by other reactive gases, such as oxygen and steam, while the weld zone is still molten or very hot. It does not protect the welder from the produced poisonous fumes

Purge gas d a m m i ng systems, are used to reduce the amount of gas used for purging during welding so as to reduce the cost of the consumable inert gas used for welding and the time for welding.

Glove boxes or bags can be used to protect the welder from welding hazards by completely enclosing the work area and holding the poisonous fumes within the enclosure, away from the welder

Fume-less electrodes are electrodes that produce lesser amount of fumes compared to the generally available electrode of similar specification

Backing plates can provide support to hot molten weld metal during welding processes such as e l e c t r o s l a g welding

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explanation:

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