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1. The welding process that uses flux-cored wire without the use of an external shielding gas is called

a. gas-shielded FCAW (FCAW-G)
b. shielded metal arc welding (SMAW)
C. gas metal arc welding (GMAW)
d. self-shielding FCAW (FCAW-S)

2. If the tongue and lace area of a welder's safety shoes are exposed, the welder should
a. add cotton boot covers
b. wear leather spats or chaps
C. position the exposed area away from the arc
d. use shielding gas to protect the exposed area

3. A powered extraction system is a valuable tool for
a. feeding wire electrode
b. removing welding fumes
c. directing shielding gas
d. reducing welding spatter

4. Spray transfer, globular transfer, and pulsed transfer are
GMAW metal transfer modes
b. SMAW metal transfer modes
c. types of GMAW/FCAW guns
d. types of external wire feeders

5. A variation of spray transfer welding in which current is cycled from high to low is
a. short circuit welding
b. globular transfer welding
c. radial transfer welding
d. pulsed transfer welding

1 answer

Here are the correct answers to each question:

  1. The welding process that uses flux-cored wire without the use of an external shielding gas is called
    d. self-shielding FCAW (FCAW-S)

  2. If the tongue and lace area of a welder's safety shoes are exposed, the welder should
    b. wear leather spats or chaps

  3. A powered extraction system is a valuable tool for
    b. removing welding fumes

  4. Spray transfer, globular transfer, and pulsed transfer are
    a. GMAW metal transfer modes

  5. A variation of spray transfer welding in which current is cycled from high to low is
    d. pulsed transfer welding