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174 Cards in this Set
- Front
- Back
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In Gas Tungsten Arc (GTA) welding, a stream of inert gas is used to
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Prevent the formation of oxides in the puddle.
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Which statement best describes magnesium welding?
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Filler rod should be the same composition as base metal.
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Which statement is true in regard to welding heat-treated magnesium?
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The welded section does not have the strength of the original metal.
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The oxyacetylene flame for silver soldering should be
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Neutral.
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Why is it necessary to use flux in all silver soldering operations?
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To chemically clean the base metal of oxide film.
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Engine mount members should preferably be repaired by using a?
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Larger diameter tube with fish mouth and rosette welds.
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What method of repair is recommended for a steel tube longeron dented at a cluster?
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Welded patch plate.
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Welding over brazed or soldered joints is
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Not permitted.
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Which statement concerning soldering is correct?
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Joints in electric wire to be soldered should be mechanically secure prior to soldering.
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A resurfaced soldering iron cannot be used effectively until after the working face has been
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Tinned.
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Which of the following can normally be welded without adversely affecting strength?
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SAE 4130 chrome/molybdenum tubing.
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In selecting a torch tip size to use in welding, the size of the tip opening determines the?
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Amount of heat applied to the work
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Why should a carburizing flame be avoided when welding steel?
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It hardens the surface
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Why should a carburizing flame be avoided when welding steel?
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It hardens the surface
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The most important consideration(s) when selecting welding rod is/are?
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Material compatibility.
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Why should a carburizing flame be avoided when welding steel?
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It hardens the surface
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The most important consideration(s) when selecting welding rod is/are?
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Material compatibility.
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The oxyacetylene flame used for aluminum welding should
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Be neutral and soft.
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Why should a carburizing flame be avoided when welding steel?
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It hardens the surface
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The most important consideration(s) when selecting welding rod is/are?
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Material compatibility.
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The oxyacetylene flame used for aluminum welding should
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Be neutral and soft.
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A very thin and pointed tip on a soldering copper is undesirable because it will
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Cool too rapidly.
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Filing or grinding a weld bead
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Reduces the strength of the joint.
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Filing or grinding a weld bead
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Reduces the strength of the joint.
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Acetylene at a line pressure above 15psi
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Is dangerously unstable.
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Filing or grinding a weld bead
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Reduces the strength of the joint.
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Acetylene at a line pressure above 15psi
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Is dangerously unstable.
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Cylinders used to transport and store acetylene
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Contain acetone.
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Filing or grinding a weld bead
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Reduces the strength of the joint.
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Acetylene at a line pressure above 15psi
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Is dangerously unstable.
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Cylinders used to transport and store acetylene
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Contain acetone.
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A welding torch backfire may be caused by
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A loose tip.
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Filing or grinding a weld bead
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Reduces the strength of the joint.
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|
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Acetylene at a line pressure above 15psi
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Is dangerously unstable.
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|
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Cylinders used to transport and store acetylene
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Contain acetone.
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A welding torch backfire may be caused by
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A loose tip.
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Which statement concerning a welding process is true?
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The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
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Filing or grinding a weld bead
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Reduces the strength of the joint.
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|
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Acetylene at a line pressure above 15psi
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Is dangerously unstable.
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|
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Cylinders used to transport and store acetylene
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Contain acetone.
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A welding torch backfire may be caused by
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A loose tip.
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Which statement concerning a welding process is true?
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The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
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Where should the flux be applied when oxyacetylene welding aluminum?
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Painted on the surface to be welded and applied to the welding rod.
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|
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Filing or grinding a weld bead
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Reduces the strength of the joint.
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|
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Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
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|
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Cylinders used to transport and store acetylene
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Contain acetone.
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|
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A welding torch backfire may be caused by
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A loose tip.
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Which statement concerning a welding process is true?
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The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
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Where should the flux be applied when oxyacetylene welding aluminum?
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Painted on the surface to be welded and applied to the welding rod.
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What purpose does flux serve in welding aluminum?
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Minimizes or prevents oxidation.
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Filing or grinding a weld bead
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Reduces the strength of the joint.
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|
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Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
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Cylinders used to transport and store acetylene
|
Contain acetone.
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|
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A welding torch backfire may be caused by
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A loose tip.
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Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
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|
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Where should the flux be applied when oxyacetylene welding aluminum?
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Painted on the surface to be welded and applied to the welding rod.
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What purpose does flux serve in welding aluminum?
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Minimizes or prevents oxidation.
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Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
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Reduces internal stresses and assures more complete penetration.
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|
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Filing or grinding a weld bead
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Reduces the strength of the joint.
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|
|
Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
|
Cylinders used to transport and store acetylene
|
Contain acetone.
|
|
|
A welding torch backfire may be caused by
|
A loose tip.
|
|
|
Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
|
|
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Where should the flux be applied when oxyacetylene welding aluminum?
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Painted on the surface to be welded and applied to the welding rod.
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|
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What purpose does flux serve in welding aluminum?
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Minimizes or prevents oxidation.
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Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
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Reduces internal stresses and assures more complete penetration.
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How should a welding torch flame be adjusted to weld stainless steel?
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Slightly carburizing?
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|
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Filing or grinding a weld bead
|
Reduces the strength of the joint.
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|
|
Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
|
Cylinders used to transport and store acetylene
|
Contain acetone.
|
|
|
A welding torch backfire may be caused by
|
A loose tip.
|
|
|
Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
|
|
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Where should the flux be applied when oxyacetylene welding aluminum?
|
Painted on the surface to be welded and applied to the welding rod.
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What purpose does flux serve in welding aluminum?
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Minimizes or prevents oxidation.
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Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
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Reduces internal stresses and assures more complete penetration.
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How should a welding torch flame be adjusted to weld stainless steel?
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Slightly carburizing?
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Oxides form very rapidly when alloys or metals are hot. It is important, therefore, when welding aluminum to use a
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Flux.
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Filing or grinding a weld bead
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Reduces the strength of the joint.
|
|
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In gas welding, the amount of heat applied to the material being welded is controlled by the
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Size of the tip opening.
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|
|
Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
|
Cylinders used to transport and store acetylene
|
Contain acetone.
|
|
|
A welding torch backfire may be caused by
|
A loose tip.
|
|
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Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
|
|
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Where should the flux be applied when oxyacetylene welding aluminum?
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Painted on the surface to be welded and applied to the welding rod.
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|
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What purpose does flux serve in welding aluminum?
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Minimizes or prevents oxidation.
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|
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Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
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Reduces internal stresses and assures more complete penetration.
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|
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How should a welding torch flame be adjusted to weld stainless steel?
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Slightly carburizing?
|
|
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Oxides form very rapidly when alloys or metals are hot. It is important, therefore, when welding aluminum to use a
|
Flux.
|
|
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Filing or grinding a weld bead
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Reduces the strength of the joint.
|
|
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In gas welding, the amount of heat applied to the material being welded is controlled by the
|
Size of the tip opening.
|
|
|
Oxygen and acetylene cylinders are made of
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Steel
|
|
|
Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
|
Cylinders used to transport and store acetylene
|
Contain acetone.
|
|
|
A welding torch backfire may be caused by
|
A loose tip.
|
|
|
Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
|
|
|
Where should the flux be applied when oxyacetylene welding aluminum?
|
Painted on the surface to be welded and applied to the welding rod.
|
|
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What purpose does flux serve in welding aluminum?
|
Minimizes or prevents oxidation.
|
|
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Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
|
Reduces internal stresses and assures more complete penetration.
|
|
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How should a welding torch flame be adjusted to weld stainless steel?
|
Slightly carburizing?
|
|
|
Oxides form very rapidly when alloys or metals are hot. It is important, therefore, when welding aluminum to use a
|
Flux.
|
|
|
Filing or grinding a weld bead
|
Reduces the strength of the joint.
|
|
|
In gas welding, the amount of heat applied to the material being welded is controlled by the
|
Size of the tip opening.
|
|
|
Oxygen and acetylene cylinders are made of
|
Steel
|
|
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When inspecting a butt-welded joint by visual means
|
The penetration should be 100% of the thickness of the base metal.
|
|
|
Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
|
Cylinders used to transport and store acetylene
|
Contain acetone.
|
|
|
A welding torch backfire may be caused by
|
A loose tip.
|
|
|
Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
|
|
|
Where should the flux be applied when oxyacetylene welding aluminum?
|
Painted on the surface to be welded and applied to the welding rod.
|
|
|
What purpose does flux serve in welding aluminum?
|
Minimizes or prevents oxidation.
|
|
|
Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
|
Reduces internal stresses and assures more complete penetration.
|
|
|
How should a welding torch flame be adjusted to weld stainless steel?
|
Slightly carburizing?
|
|
|
Oxides form very rapidly when alloys or metals are hot. It is important, therefore, when welding aluminum to use a
|
Flux.
|
|
|
Filing or grinding a weld bead
|
Reduces the strength of the joint.
|
|
|
In gas welding, the amount of heat applied to the material being welded is controlled by the
|
Size of the tip opening.
|
|
|
Oxygen and acetylene cylinders are made of
|
Steel
|
|
|
When inspecting a butt-welded joint by visual means
|
The penetration should be 100% of the thickness of the base metal.
|
|
|
Edge notching is generally recommended in butt welding above a certain thickness of aluminum because it
|
Aids in getting full penetration of the metal and prevents local distortion.
|
|
|
Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
|
Cylinders used to transport and store acetylene
|
Contain acetone.
|
|
|
A welding torch backfire may be caused by
|
A loose tip.
|
|
|
Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
|
|
|
Where should the flux be applied when oxyacetylene welding aluminum?
|
Painted on the surface to be welded and applied to the welding rod.
|
|
|
What purpose does flux serve in welding aluminum?
|
Minimizes or prevents oxidation.
|
|
|
Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
|
Reduces internal stresses and assures more complete penetration.
|
|
|
How should a welding torch flame be adjusted to weld stainless steel?
|
Slightly carburizing?
|
|
|
Oxides form very rapidly when alloys or metals are hot. It is important, therefore, when welding aluminum to use a
|
Flux.
|
|
|
Filing or grinding a weld bead
|
Reduces the strength of the joint.
|
|
|
In gas welding, the amount of heat applied to the material being welded is controlled by the
|
Size of the tip opening.
|
|
|
Oxygen and acetylene cylinders are made of
|
Steel
|
|
|
When inspecting a butt-welded joint by visual means
|
The penetration should be 100% of the thickness of the base metal.
|
|
|
Edge notching is generally recommended in butt welding above a certain thickness of aluminum because it
|
Aids in getting full penetration of the metal and prevents local distortion.
|
|
|
If too much acetylene is used in the welding of stainless steel
|
The metal will absorb carbon and lose its resistance to corrosion.
|
|
|
Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
|
Cylinders used to transport and store acetylene
|
Contain acetone.
|
|
|
A welding torch backfire may be caused by
|
A loose tip.
|
|
|
Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
|
|
|
Where should the flux be applied when oxyacetylene welding aluminum?
|
Painted on the surface to be welded and applied to the welding rod.
|
|
|
What purpose does flux serve in welding aluminum?
|
Minimizes or prevents oxidation.
|
|
|
Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
|
Reduces internal stresses and assures more complete penetration.
|
|
|
How should a welding torch flame be adjusted to weld stainless steel?
|
Slightly carburizing?
|
|
|
Oxides form very rapidly when alloys or metals are hot. It is important, therefore, when welding aluminum to use a
|
Flux.
|
|
|
Filing or grinding a weld bead
|
Reduces the strength of the joint.
|
|
|
In gas welding, the amount of heat applied to the material being welded is controlled by the
|
Size of the tip opening.
|
|
|
Oxygen and acetylene cylinders are made of
|
Steel
|
|
|
When inspecting a butt-welded joint by visual means
|
The penetration should be 100% of the thickness of the base metal.
|
|
|
Edge notching is generally recommended in butt welding above a certain thickness of aluminum because it
|
Aids in getting full penetration of the metal and prevents local distortion.
|
|
|
If too much acetylene is used in the welding of stainless steel
|
The metal will absorb carbon and lose its resistance to corrosion.
|
|
|
The shielding gases generally used in the GAS Tungsten Arc (GTA) welding of aluminum consist of
|
Helium or argon, or a mixture of helium and argon.
|
|
|
Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
|
Cylinders used to transport and store acetylene
|
Contain acetone.
|
|
|
A welding torch backfire may be caused by
|
A loose tip.
|
|
|
Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
|
|
|
Where should the flux be applied when oxyacetylene welding aluminum?
|
Painted on the surface to be welded and applied to the welding rod.
|
|
|
What purpose does flux serve in welding aluminum?
|
Minimizes or prevents oxidation.
|
|
|
Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
|
Reduces internal stresses and assures more complete penetration.
|
|
|
How should a welding torch flame be adjusted to weld stainless steel?
|
Slightly carburizing?
|
|
|
Oxides form very rapidly when alloys or metals are hot. It is important, therefore, when welding aluminum to use a
|
Flux.
|
|
|
Filing or grinding a weld bead
|
Reduces the strength of the joint.
|
|
|
In gas welding, the amount of heat applied to the material being welded is controlled by the
|
Size of the tip opening.
|
|
|
Oxygen and acetylene cylinders are made of
|
Steel
|
|
|
When inspecting a butt-welded joint by visual means
|
The penetration should be 100% of the thickness of the base metal.
|
|
|
Edge notching is generally recommended in butt welding above a certain thickness of aluminum because it
|
Aids in getting full penetration of the metal and prevents local distortion.
|
|
|
If too much acetylene is used in the welding of stainless steel
|
The metal will absorb carbon and lose its resistance to corrosion.
|
|
|
The shielding gases generally used in the GAS Tungsten Arc (GTA) welding of aluminum consist of
|
Helium or argon, or a mixture of helium and argon.
|
|
|
Acetylene at a line pressure above 15psi
|
Is dangerously unstable.
|
|
|
Cylinders used to transport and store acetylene
|
Contain acetone.
|
|
|
A welding torch backfire may be caused by
|
A loose tip.
|
|
|
Which statement concerning a welding process is true?
|
The inert-arc welding process uses an inert gas to protect the weld zone form the atmosphere.
|
|
|
Where should the flux be applied when oxyacetylene welding aluminum?
|
Painted on the surface to be welded and applied to the welding rod.
|
|
|
What purpose does flux serve in welding aluminum?
|
Minimizes or prevents oxidation.
|
|
|
Why are aluminum plated 1/4 inch or more thick usually preheated before welding?
|
Reduces internal stresses and assures more complete penetration.
|
|
|
How should a welding torch flame be adjusted to weld stainless steel?
|
Slightly carburizing?
|
|
|
Oxides form very rapidly when alloys or metals are hot. It is important, therefore, when welding aluminum to use a
|
Flux.
|
