M7c15

20問 • 1年前

ユーザ名非公開

通報

問題一覧

Hard soldering is done at temperatures :

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

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

solid stick type, paste type or liquid type.

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

the tip is adequately tinned.

Wicking is a procedure used for:

de-soldering

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

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

3 to 5 times the base metal thickness.

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

active or passive group

What elements is solder made from :

tin and lead only.

Tensile is defined as:

Where the two surfaces are pulled directly apart

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

soft soldering.

Silver soldering is suited for:

high temperature applications

Soft solder is suited for joints, which are:

subjected to small forces.

Brazing material is made from:

copper , zinc and silver

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

borax powder.

A flux is used in soldering to:

to dissolve oxide.

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.

On completion of soldering a non-activated flux:

must be cleaned off with a selected solvent.

When inspecting a weld, you should make sure that :

the parent (or basis) materials are fully fused together.

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.

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

Prevent the formation of oxides in the puddle

mod5 training

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問題一覧

Hard soldering is done at temperatures :

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

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

solid stick type, paste type or liquid type.

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

the tip is adequately tinned.

Wicking is a procedure used for:

de-soldering

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

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

3 to 5 times the base metal thickness.

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

active or passive group

What elements is solder made from :

tin and lead only.

Tensile is defined as:

Where the two surfaces are pulled directly apart

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

soft soldering.

Silver soldering is suited for:

high temperature applications

Soft solder is suited for joints, which are:

subjected to small forces.

Brazing material is made from:

copper , zinc and silver

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

borax powder.

A flux is used in soldering to:

to dissolve oxide.

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.

On completion of soldering a non-activated flux:

must be cleaned off with a selected solvent.

When inspecting a weld, you should make sure that :

the parent (or basis) materials are fully fused together.

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.

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

Prevent the formation of oxides in the puddle