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Welder Material & Equipment Handling Flashcards

7 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Welder Material & Equipment Handling flashcards as text

  1. What is the recommended storage temperature for low-hydrogen electrodes that have been removed from their original hermetically sealed container?

    Answer: 250°F to 300°F (121°C to 149°C) in a rod oven

    Low-hydrogen electrodes must be stored in a rod oven at 250–300°F to prevent moisture absorption that would cause hydrogen-induced cracking.

  2. When handling a tungsten electrode for GTAW, why should you avoid touching the tungsten tip with bare fingers?

    Answer: Skin oils contaminate the electrode and degrade arc quality

    Skin oils from bare fingers contaminate the tungsten tip, causing arc instability and weld contamination during GTAW.

  3. What is the maximum distance a compressed gas cylinder should be moved without using a proper cylinder cart?

    Answer: Cylinders should not be rolled or dragged at any distance without a cart

    Compressed gas cylinders should always be moved using an approved cylinder cart regardless of distance to prevent tipping and valve damage.

  4. A welder is setting up an oxyacetylene outfit. In what order should the regulator gauges read when opening the oxygen cylinder valve?

    Answer: Cylinder pressure rises first, then working pressure is set

    When opening the oxygen cylinder valve, the cylinder (content) pressure gauge rises first to show tank pressure, then the working pressure is adjusted via the regulator.

  5. Which of the following indicates that a welding cable has become unsafe for continued use?

    Answer: The cable insulation shows cracks, cuts, or exposed copper

    Cracked, cut, or exposed insulation on a welding cable creates an electrocution hazard and requires immediate replacement.

  6. What is the purpose of using a soapstone marker on metal before cutting or welding?

    Answer: To mark layout lines that remain visible under heat without contaminating the weld

    Soapstone (talc) markers leave layout lines that withstand heat and do not introduce contaminants that would affect weld quality.

  7. When cutting wire from a new GMAW wire spool, what hazard must the welder control?

    Answer: The wire springing back and causing injury when tension is released

    Wire on a spool is under tension, and cutting it without controlling the free end can cause the wire to spring back and cause eye or face injuries.