Welding Terms and Inspection

Question 1

When a weld pass is made to deposit a backing weld behind the
root pass, it is termed
a) a backing pass
b) the axis of the weld
c) boxing
d) the lead angle

Answer 1

a) a backing pass

Question 2

A gas pocket or weld cavity caused by gas or moisture trapped
in a weld is called
a) a box
b) a blowhole
c) coalescence
d) a crater
e) spatter

Answer 2

b) a blowhole

Question 3

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
e) the mixing of gases in a cutting torch

Answer 3

a) the same as fusion

Question 4

When a weld is made with two pieces of parent metal at or
near the same plane the weld is termed a
a) fusion weld
b) butt joint weld
c) lap join weld
d) bevel angle weld
e) box weld

Answer 4

b) butt joint weld

Question 5

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
e) TIG welding

Answer 5

a) resistance welding

Question 6

Non-destructive testing of a weld means
a) testing the weld by means of chemical analysis
b) raising the hydrostatic pressure on a vessel to the point
of rupture
c) mechanical testing of a sample or small portion of a weld
d) thermal shocking a vessel to the point of fracture
e) subjecting the weld to a radiographic inspection

Answer 6

e) subjecting the weld to a radiographic inspection

Question 7

Slugging is a term which refers to
a) creation of a gas pocket created by gas or moisture
trapped in the weld
b) solid non-metallic material trapped in the weld
c) stresses built up in a structure as a result of welding
d) metal particles being sprayed out during the welding
process
e) adding pieces of unspecified rod or metal as filler
during a weld

Answer 7

e) adding pieces of unspecified rod or metal as filler

during a weld

Question 8

Slag inclusion results from

a) metal particles being sprayed out during the weld process
b) adding pieces of rod or metal as filler to the weld
c) solid non-metallic material being trapped in the weld
d) creation of a gas pocket due to trapped gases
e) stresses built up after the weld process

Answer 8

c) solid non-metallic material being trapped in the weld

Question 9

A “reducing flame” is one which is

a) rich in acetylene
b) placed an increased distance from the work
c) oxygen rich
d) held perpendicular to the weld axis
e) most likely to cause backfire

Answer 9

a) rich in acetylene

Question 10

Gas pockets trapped within a weld is commonly called

a) flux
b) porosity
c) spatter
d) slugging
e) fusion

Answer 10

b) porosity

Question 11

Flux is
a) a grouping of gas pockets together in a weld
b) the unspecified pieces of scrap metal added to a weld to
speed up the process
c) a granular substance deposited with the weld
d) the metal added as filler to a weld area
e) a gas flame which is neither rich in oxygen or acetylene

Answer 11

c) a granular substance deposited with the weld

Question 12

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
e) thermal shocking a vessel to the point of fracture

Answer 12

c) mechanical testing of a sample or small portion of a weld

Question 13

A method of testing a weld which is quick, easy, and
inexpensive is the
a) fluorescent penetrant method
b) visual method
c) ultrasonic method
d) dye penetrant method
e) radiographic method

Answer 13

b) visual method

Question 14

The best method of weld inspection if error is to be avoided
is the
a) visual method
b) fluorescent penetrant method
c) ultrasonic method
d) dye penetrant method
e) radiographic method

Answer 14

a) visual method

Question 15

When an ultraviolet light is used in weld inspections, the
testing method is
a) destructive
b) dye penetrant
c) ultrasonic
d) radiographic
e) fluorescent penetrant

Answer 15

e) fluorescent penetrant

Question 16

The basic difference between fluorescent penetrant and dye
penetrant is that dye penetrant
a) makes valuable use of penetrameters
b) uses less compounds than fluorescent
c) involves the use of a developer compound
d) cannot be reliable in locating porosity in a weld
e) requires a “black” light to detect cracks

Answer 16

c) involves the use of a developer compound

Question 17

When penetrameters are used for testing welds, the method
being used is the
a) dye penetrant
b) ultrasonic
c) fluorescent penetrant
d) radiographic
e) visual

Answer 17

d) radiographic

Question 18

When using radiographic inspections, defects such as cracks
and porosity show up as
a) lighter shadows on the photographic paper
b) wave signals on a small screen
c) darker shadows on the penetrameter
d) darker shadows on the photographic paper
e) lighter shadows on the penetrameter

Answer 18

d) darker shadows on the photographic paper

Question 19

Ultrasonic inspection involves the use of

a) short wavelength radiations
b) high frequency vibrations
c) fluorescent penetrant dye
d) radiographic penetrameters
e) gamma rays

Answer 19

b) high frequency vibrations

Question 20

Rules for uses of radiographic and ultrasonic inspection are
covered in the
a) Rules for Care and Operation of Power Boilers Code
b) ASME Section IX - Welding and Brazing Qualifications
c) Canadian Standards B-51
d) Power Boiler Code Section I
e) ASME Section II - Materials Specification

Answer 20

d) Power Boiler Code Section I