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Amt 116 welding > midterms > Flashcards

midterms Flashcards

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Welding Inspection Basics flashcards
1
Q

What are the types of electric arc weld

A

SMAW
GMAW
GTAW

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2
Q

is a manual arc welding process that uses a consumable electrode coated in flux to lay the weld. It’s one of the most widely used welding methods due to its versatility and simplicity.

A

Smaw or stick welding

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3
Q

Simplest form of welding…

A

SMAW

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4
Q

Primarily used in large volume production work

It melts both electrode or filler wire and the work metal

A

GMAW

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5
Q

Gmaw is Formerly called as ______ welding

A

MIG WELDING

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6
Q

is a type of electric arc welding that uses a non consumable tungsten as an electrode. Filler rod is needed manually (almost in the same manner as the oxyacetylene torch) .

A

GTAW

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7
Q

2 types of electrodes

A

Active electrodes
Inert Electrodes

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8
Q

Give me the types of rods

A

Alternatic Current Arc welding Electrode
Light Coated electrod
Bare electrodes
Pure tungsten Electrodes
Flux Cored Electrodes
Low hydrogen welding electrodes
Smaw welding electrode
Bronze/alloy brazing rods
Carbon electrodes
Consumable electodes
copper electrodes

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9
Q

used extensively by the aircraft industry in both manufacture and repair of aircraft.

It can be used satisfactorily to join all weldable metals, provided that the proper processes and materials are used.

A

Electric arc welding

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10
Q

direction of welding forward or away from you

A

Forehand welding

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11
Q

Direction of welding backward or inwards from you

A

Backhand welding

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12
Q

refers to an electrical pathway that allows current to flow during the welding process. It consists of several components like;

A

Welding circuit

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13
Q

Converts energy for welding.

A

Power supply

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14
Q

Holds and conduct current

A

Electrode

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15
Q

Material being welded

A

Workpiece

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16
Q

Completes the circuit and ensures safety

A

Ground clamp/work clamp

17
Q

Refers to the electrical arc itself, which is the intense heat source formed when electricity jumps between the electrode and the metal workpiece, melting the metal.
It is a component of the arc welding process.

A

Welding Arc

18
Q

2 types of welding arcs

A

Direct current
Alternating current

19
Q

Steady Current in one direction

A

Direct current

20
Q

Current alternates direction periodically.

A

Alternating current

21
Q

Common hazzards in welding circuits

A

Electric shock
Fire hazards
Radiation exposure

22
Q

Gases in welding that are non reactive gases mainly argon and helium that protect the weld area from harmful elements in the air, like oxygen. This protection helps prevent oxidation and results in stronger, cleaner welds. Inert gases stabilize the welding arc and are commonly used in methods like TIG and MIG welding, making them essential for working with different metals.

A

Inert gas

23
Q

is a conductive rod or wire that carries electrical current to create an arc between the electrode and the workpiece. This process melts the electrode and the base metal, allowing them to fuse together.

A

Elecrtode

24
Q

are numbers and letters that indicate the type of welding rod or filler metal used in a specific welding application.

A

Welding electrode code

25
Q

Types of welding position

A

Vertical position
Horizontal position
flat position
overhead position
Horizontal fixed position
inclined position

26
Q

Welding position
1G 1F =

A

Flat position

27
Q

2G 2F =

A

Horizontal position

28
Q

3G 3F =

A

Vertical Position

29
Q

4G 4F welding position

A

Overhead position

30
Q

5G welding position

A

horizontal fixed position

31
Q

6G

A

inclined position

32
Q

parts of welding machine

A

work
electrode holder
work cable
work clamp
electrode
welding machine

33
Q

welding electrode E means

A

Electrode

34
Q

first 2 numbers of electrode code

A

tensile strength

35
Q

3rd number in electrode code

A

Welding position

36
Q

4th number in electrode code

A

type of coatiing or welding current

37
Q

types of welding passes

A

Root pass
Hot pass
Fill pass
Cover pass

38
Q

welding patterns

A

stringer
figure of eight
zigzag
crescent

Amt 116 welding (2 decks)

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