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5th Class Power Engineering > Book 3 Chapter 16: Welding Terms & Inspection > Flashcards

Book 3 Chapter 16: Welding Terms & Inspection Flashcards

1
Q

The item which keeps the weld from oxidizing, cooling too fast, and the bead smooth during submerged arc welding is the:
A) Arc temperature
B) Flux
C) Steadiness of the welders hand
D) Rod composition

A

B) Flux

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2
Q

Procedure Qualification means that a welder can:
A) Perform only a specific type of weld
B) Be tested any time the inspector requests
C) Be tested before doing a specific weld type
D) All of the above

A

D) All of the above

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3
Q

Examples of non-destructive testing are:
A) Visual, chemical analysis and impact
B) Dye penetrant, radiographic and ultrasonic
C) Hardness, fluorescent penetrant and visual
D) Bending, tensile and ultrasonic

A

B) Dye penetrant, radiographic and ultrasonic

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4
Q

The method of testing which has no equal in avoiding errors during the welding process is the:
A) Ultrasonic method
B) Radiographic method
C) Chemical analysis method
D) Visual method

A

D) Visual method

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5
Q

When a weld pass is made to despot a backing weld behind the root pass, it is termed:
A) A backing pass
B) The axis of the weld
C) The lead angle
D) The plug weld

A

A) A backing pass

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6
Q

Coalescence is:
A) The same as fusion
B) A type of coating used on a welding rod
C) A term used in brazing
D) A term used in soldering

A

A) The same as fushion

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7
Q

What type of weld is made with two pieces of parent metal at or near the same plane?
A) Fusion weld
B) Butt joint weld
C) Lap joint weld
D) Bevel angle weld

A

B) Butt joint weld

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8
Q

When heat from electric current and pressure are used in welding, it is known as:
A) Resistance welding
B) Forge welding
C) Submerged arc welding
D) MIG welding

A

A) Resistance welding

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9
Q

Destructive testing of a weld means:
A) Destruction of one complete weld of a structure or vessel
B) Destruction of the complete vessel after construction
C) Mechanical testing of a sample or small portion of a weld
D) Raising hydrostatic pressure on a vessel to the point of rupture

A

C) Mechanical testing of a sample or small portion of a weld

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10
Q

A method of testing a weld which is quick, easy, and least expansive is the:
A) Fluorescent penetrant method
B) Visual method
C) Ultrasonic method
D) Dye penetrant method

A

B) Visual method

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11
Q

When penetrameters are used for testing welds, the method being used is:
A) Ultrasonic
B) Visual
C) Radiographic
D) Fluorescent or dye

A

C) Radiographic

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12
Q

When an ultraviolet light is used in welding inspections, the testing method is:
A) Destructive
B) Ultrasonic
C) Radiographic
D) Fluorescent penetrant

A

D) Fluorescent penetrant

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13
Q

When a weld is made with two pieces of parent material at or near the same plane the weld is termed a:
A) Butt joint weld
B) Fusion weld
C) Bevel angle weld
D) Box weld
E) Lap joint weld

A

A) Butt joint weld

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14
Q

Non destructive test are:
1. Radiographic
2. Harness
3. Ultrasonic
4. Corrosion
5. Dye penetrant

A) 1,3,4
B) 1,2,5
C) 1,3,5
D) 2,4,5
E) 2,3,4

A

C) 1,3,5

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15
Q

Base metal is the:
A) Electrode metal
B) Coupon
C) Metal to be welded
D) Filler metal
E) Flux

A

C) Metal to be welded

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16
Q

With reverse polarity:
A) The positive lead is clamped to the work
B) DC power is supplied to the electrode
C) AC or DC power may be supplied to the electrode
D) The negative lead is clamped to the work
E) AC power is supplied to the electrode

A

D) The negative lead is clamped to the work

17
Q

Flux is:
A) A grouping of gas pockets together in a weld
B) A granular substance deposited with the weld
C) The unspecified pieces of scrap metal added to a weld to speed up the process
D) A gas flame that is neither rich in oxygen or acetylene
E) The metal added as filler to a weld area

A

B) A granular substance deposited with the weld

18
Q

A braze welding process:
A) Requires two dissimilar materials
B) Is done with a temperature above 870ºC
C) Is used in the repair of cast iron parts
D) Heats metal to a bright red colour
E) Is a form of fusion welding

A

C) Is used in the repair of cast iron parts

19
Q

Procedural qualifications are granted by the governing authority when it is satisfactory demonstrated that welds meet required standards by testing:
A) Welding rods used
B) A welder’s knowledge of the proposed procedure
C) Welds made by the procedure
D) Welding equipment used
E) The vessel hydrostatically

A

C) Welds made by the procedure

20
Q

Ultrasonic inspection involves the use of:
A) Radiographic penetrameters
B) Short wavelength radiation
C) Fluorescent penetrant dye
D) High frequency vibrations
E) Gamma rays

A

D) High frequency vibrations

21
Q

Destructive test methods are:
1. Tensile
2. Dye penetrant
3. Hardness
4. Radiographic
5. Impact

A) 3,4,5
B) 2,4,5
C) 1,2,5
D) 1,3,5
E) 1,3,4

A

D) 1,3,5

22
Q

When using radiographic inspection, defects such as cracks and porosity show up as:
A) Darker shadows on the penetrameter
B) Lighter shadows on the penetrameter
C) Wave signals on a small screen
D) Lighter shadows on the photographic paper
E) Darker shadows on the photographic paper

A

E) Darker shadows on the photographic paper

23
Q

“Coalescence” is:
A) A term used in brazing
B) A term used in soldering
C) The mixing of gases in a cutting torch
D) A type of coating used on welding rod
E) A form of fusion

A

E) A form of fusion

24
Q

Fusion is obtained by heating with an electric arc during the process of:
A) Arc welding
B) Brazing
C) Forging
D) Oxyacetylene welding
E) Resistance welding

A

A) Arc welding

25
Q

Information such as type of welding process, electrode specification, type of heat treatment is detailed in the:
A) Non destructive test procedure
B) Performance qualification card
C) Welding Procedure
D) Welders certificate of competency
E) Vessel entry procedure

A

C) Welding procedure

26
Q

Welding flash can be prevented by:
A) Wearing a welders apron
B) By closing your eyes during welding
C) Wearing approved welders helmet
D) Wearing 100% UV protection sunglasses
E) Wearing welding goggles

A

C) Wearing approved welders helmet

27
Q

Adding heat to a welded part immediately after welding to prevent cracking by slowing the cooling rate of the weld and heat-affected zone is called:
A) Postheating
B) Machine welding
C) Procedure qualification
D) Preheating
E) Manual welding

A

A) Postheating

28
Q

A weld made from only one side of a joint is called a/an:
A) Pass
B) Single weld
C) Fusion
D) Double weld
E) Coalescence

A

B) Single weld

29
Q

The most common hazards created by welding include all of the following except:
A) Burns
B) Respiratory damage
C) Hearing loss
D) Fire
E) Eye damage

A

C) Hearing loss

30
Q

A weld deposit resulting from a pass with a welding rod is called a/an:
A) Double weld
B) Brazing
C) Pass
D) Weld bead
E) Coalescence

A

D) Weld bead

31
Q

A weld deposit resulting from a pass with a welding rod is called a/an:
A) Butt joint
B) Backing ring
C) Bead
D) Base metal
E) Bare electrode

A

C) Bead

32
Q

A weld sample used for destructive testing is called a/an:
A) Coupon
B) Bare electrode
C) Coalescence
D) Test specimen
E) Fusion

A

D) Test specimen

33
Q

A weld made to hold parts together in the correct alignment until the final welds can be made is called a/an:
A) Resistance weld
B) Tack weld
C) Arc weld
D) Gas weld
E) Spot weld

A

B) Tack weld

34
Q

An electric arc cutting process where a metal is cut with the heat of an arc between a carbon electrode and the base metal is called:
A) Brazing
B) Arc welding
C) Coalescence
D) Fusion
E) Carbon Arc Cutting

A

E) Carbon Arc Cutting

35
Q

When the entire welding procedure is performed by hand it is referred to as:
A) Stick welding
B) Machine welding
C) Gas welding
D) Manual welding
E) Arc welding

A

D) Manual welding

36
Q

The procedure of joining two thin plates at spots by the heat obtained from the resistance to the flow of current through the work which are held together under pressure by electrodes is called:
A) Resistance welding
B) Arc welding
C) Manual welding
D) Spot welding
E) Gas welding

A

D) Spot welding

5th Class Power Engineering (75 decks)

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