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Welding > Welding > Flashcards

Welding Flashcards

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Welding Inspection Basics flashcards
1
Q

It is the amount of filler metal deposited in any welding process; rated in pounds per hour.

A

Deposition Rate

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2
Q

It is a depression at the termination of a weld.

A

Crater

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3
Q

That portion of a weld which has been melted during welding.

A

Weld Metal

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4
Q

It is the flow of electric current from the tip of the electrode to the base of the metal being welded.

A

Arc

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5
Q

It is a single longitudinal progression of a welding operation along a joint or weld deposit.

A

Pasa

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6
Q

It is a fusible material or gas used to dissolve and/ or prevent the formation of oxides, nitrides, or other undesirable inclusions formed in welding.

A

Flux

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7
Q

It is an arc welding process wherein metals are
united by heating with an electric arc between a coated metal electrode and the metal.

A

Shielded metal arc welding (SMAW)

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8
Q

It is a weld made to hold parts in proper alignment until the final welds are made.

A

Tack weld

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9
Q

It is a term applied to an inward and upward movement of the electrode which
is employed in vertical welding to avoid undercut.

A

Whipping

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10
Q

It is the metal particles given off during welding which do not form a part of the
weld.

A

Spatte

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11
Q

TRUE OR FALSE: The coating cannot be formulated to increase or decrease the fluidity of the protective slag.

A

FALSE

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12
Q

TRUE OR FALSE: Using coated electrodes, it does not stabilize the arc but it directs the globules of molten filler metal from the core of the electrode into the weld pool.

A

FALSE

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13
Q

TRUE OR FALSE: Using coated electrodes, it provides non-oxidizing gas shield around the arc to keep the oxygen and the nitrogen in the air away from the molten metal.

A

TRUE

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14
Q

TRUE OR FALSE: Using coated electrodes, it serves as an insulator for the core wire and uses stray arcs occurring.

A

FALSE

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15
Q

TRUE OR FALSE: Using coated electrodes, it slows down the rate of melting and therefore, decreases the speed of welding.

A

FALSE

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16
Q

TRUE OR FALSE: Using coated electrodes, it improves the penetration of the weld and therefore ensures a sound joint.

A

TRUE

17
Q

TRUE OF FALSE: The coating facilitates the striking of the electric arc and enables it to burn stably, thus making the electrode suitable for use with an alternating current.

A

TRUE

18
Q

TRUE OR FALSE: Using coated electrodes, this can be provided a flux for the molten weld pool from which inserts impurities and forms a protective slag which can be readily chipped off when cooled and solidified.

A

FALSE

19
Q

TRUE OR FALSE: The coating can be made at the time of manufacture in order to replace any alloying elements in the electric core.

A

TRUE

20
Q

Meaning of AWS.

A

American Welding Society

21
Q

It is a gas pockets or voids in metal.

A

Porosity

22
Q

It is a technique of depositing weld metal in which the electrode is oscillated.

A

Weaving

23
Q

Metal rods which conduct a current from the electrode holder to the base
metal.

A

Electrodes

24
Q

It is the exposed surface of a weld, made by an arc or gas welding process, on the side from which welding was done.

A

Face of weld

25
Q

That portion of a weld which has been melted during welding.

A

Weld metal

26
Q

Steel containing .20% or less carbon.

A

Low carbon steel

27
Q

That portion of a weld that is molten at the place the heat is supplied.

A

Puddle

28
Q

Gas pockets or voids in metal.

A

Porosity

29
Q

It is a single longitudinal progression of a welding operation along a joint or weld deposit.

A

Pass

30
Q

Itbis a grove melted into the base metal adjacent to the toe of the weld and left unfilled by weld metal.

A

Undercut

31
Q

It is the metal to be welded or cut.

A

Base metal

32
Q

It is produced by a low-voltage, high-amperags current jumping the air gap between the electrode and the joint to be welded.

A

Arc

Welding (1 decks)

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