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c7.15

c7.15
20問 • 1年前
  • Aljuboory
    • 通報

    問題一覧

  • 1

    Hard soldering is done at temperatures :

    in excess of 450 C0 and which include the processes of brazing and silver soldering

  • 2

    2- A flux , when used to facilitate soldering of electrical connections , may be:

    solid stick type, paste type or liquid type

  • 3

    3-Before using an electrical soldering iron, you should ensure that :

    the tip is adequately tinned.

  • 4

    Wicking is a procedure used for:

    de-soldering

  • 5

    The oxy-acetylene welding method can be used for welding ferrous or non-ferrous metals:

    when welding ferrous metals , it is a necessary that an additional material to be used to assist in the fusion process

  • 6

    When inspecting a welded joint, you should look for a bead width of :

    3 to 5 times the base metal thickness

  • 7

    the type of to be used when soft soldering is applied :

    Active or passive group

  • 8

    What elements is solder made from

    tin and lead only

  • 9

    Tensile is defined as:

    Where the two surfaces are pulled directly apart

  • 10

    A common method of fitting terminals to aircraft cables is by:

    soft soldering.

  • 11

    Silver soldering is suited for:

    high temperature applications

  • 12

    Soft solder is suited for joints, which are:

    subjected to small forces

  • 13

    Brazing material is made from:

    copper , zinc and silver

  • 14

    The flux used during brazing is a mixture of water and :

    borax powder

  • 15

    A flux is used in soldering to:

    to dissolve oxide

  • 16

    What action is taken when soldering flux residue may have lodged in deep crevices of an assembly:

    It must be immersed in a weak solution of caustic soda and rinsed thoroughly in running water.

  • 17

    On completion of soldering a non-activated flux:

    must be cleaned off with a selected solvent.

  • 18

    When inspecting a weld, you should make sure that :

    the parent (or basis) materials are fully fused together

  • 19

    The shielding gases generally used in the Tungsten Gas (TIG) welding of aluminum consist of :

    helium or argon or a mixture of helium and argon

  • 20

    In Gas Tungsten Arc(GTA) welding a stream of inert gas is used to:

    prevent the formation of oxides in the puddle

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    問題一覧

  • 1

    Hard soldering is done at temperatures :

    in excess of 450 C0 and which include the processes of brazing and silver soldering

  • 2

    2- A flux , when used to facilitate soldering of electrical connections , may be:

    solid stick type, paste type or liquid type

  • 3

    3-Before using an electrical soldering iron, you should ensure that :

    the tip is adequately tinned.

  • 4

    Wicking is a procedure used for:

    de-soldering

  • 5

    The oxy-acetylene welding method can be used for welding ferrous or non-ferrous metals:

    when welding ferrous metals , it is a necessary that an additional material to be used to assist in the fusion process

  • 6

    When inspecting a welded joint, you should look for a bead width of :

    3 to 5 times the base metal thickness

  • 7

    the type of to be used when soft soldering is applied :

    Active or passive group

  • 8

    What elements is solder made from

    tin and lead only

  • 9

    Tensile is defined as:

    Where the two surfaces are pulled directly apart

  • 10

    A common method of fitting terminals to aircraft cables is by:

    soft soldering.

  • 11

    Silver soldering is suited for:

    high temperature applications

  • 12

    Soft solder is suited for joints, which are:

    subjected to small forces

  • 13

    Brazing material is made from:

    copper , zinc and silver

  • 14

    The flux used during brazing is a mixture of water and :

    borax powder

  • 15

    A flux is used in soldering to:

    to dissolve oxide

  • 16

    What action is taken when soldering flux residue may have lodged in deep crevices of an assembly:

    It must be immersed in a weak solution of caustic soda and rinsed thoroughly in running water.

  • 17

    On completion of soldering a non-activated flux:

    must be cleaned off with a selected solvent.

  • 18

    When inspecting a weld, you should make sure that :

    the parent (or basis) materials are fully fused together

  • 19

    The shielding gases generally used in the Tungsten Gas (TIG) welding of aluminum consist of :

    helium or argon or a mixture of helium and argon

  • 20

    In Gas Tungsten Arc(GTA) welding a stream of inert gas is used to:

    prevent the formation of oxides in the puddle