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Shielded Metal Arc Welding Pretest

Quiz by Kaleigh Payne

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36 questions
Show answers
  • Q1

    SMAW, or stick welding, uses a(n) ____.

    bare metal wire fed by the operator

    metal wire automatically fed by the welding machine

    flux-coated electrode

    oxygen shielding gas and a machine-fed, flux-coated electrode wire

    30s
  • Q2

    The purpose of the flux coating on an electrode is to ____.

    All of these

    promote solidification of the weld pool

    electrically insulate the wire core of the electrode

    protect the weld from oxygen

    30s
  • Q3

    The biggest advantage of SMAW is its ____.

    ability to create welds without the use of electricity

    ability to weld continuously without replacing electrodes

    adaptability to a variety of setups

    ability to weld aluminum as well as steel

    30s
  • Q4

    All SMAW welding machines are constant current; this means they ____.

    are easy to arc on nonferrous metals

    charge the particles in the electrode positively

    are constantly on

    provide an even supply of amperage to the electrode

    30s
  • Q5

    A machine’s ____ is a rating that indicates how long the machine can continuously operate at a given amperage during a ten-minute period without overheating.

    load rating

    maximum work

    maximum current

    duty cycle

    30s
  • Q6

    A ____ is heavy stranded copper wire that connects the power source to the electrode holder or the work.

    welding lead

    flexi-flow wire

    welding wire

    load connector

    30s
  • Q7

    An insulated clamp that holds the electrode is a(n) ____.

    work clamp or ground

    electrode slinger

    wire lead or mouse

    electrode holder or stinger

    30s
  • Q8

    Slag is ____.

    easy to remove; promotes rapid cooling

    weld waste and impurities that form at the top of the weld bead

    a defect that causes brittleness in the weld

    settles to the root of the weld and provides added strength to the weld

    30s
  • Q9

    The number stamped on every SMAW electrode identifies the ____.

    tensile strength of the filler, type of current, and speed of welding

    flux material, the arc length, and the welding position

    arc length, the arc speed, and the current type

    tensile strength of the filler, welding position, and type of current

    30s
  • Q10

    Fast-fill electrodes ____.

    provide light penetration, light slag, and smooth deposition

    provide deep penetration, light slag, and the ability to weld out of position

    provide medium penetration and smooth depositions at moderately high rates

    have heavy iron powder flux and make smooth welds with easy-to-remove slag

    30s
  • Q11

    Fast-freeze electrodes ____.

    provide light penetration, light slag, and smooth deposition

    provide medium penetration and smooth depositions at moderately high rates

    provide deep penetration, light slag, and the ability to weld out of position

    have heavy iron powder flux and make smooth welds with easy-to-remove slag

    30s
  • Q12

    Low-hydrogen electrodes ____.

    provide deep penetration, light slag, and the ability to weld out of position

    provide medium penetration and smooth depositions at moderately high rates

    provide light penetration, light slag, and smooth deposition

    have heavy iron powder flux and make smooth welds with easy-to-remove slag

    30s
  • Q13

    Which of the following is not a welding position?

    stacked

    vertical

    overhead

    flat

    30s
  • Q14

    Welding position refers to ____.

    the location of the electrode in relationship to the weld joint

    how vertical the weld is

    the location of the work in relationship to the welder

    the location of the welder

    30s
  • Q15

    Electrode choice is based first of all on the ____.

    temperature of the weld needed

    position of weld

    flux wanted

    metal to be welded

    30s

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