1 Submerged
arc fluxes can be supplied in two forms; these are?
a)
Sintered and
agitated
b)
Agitated and
fused
c)
Crushed and
agglomerated
d)
Fused and
agglomerated
2 In
a steel, which has improved creep properties at
elevated temperature, which one of the following elements helps in this
improvement?
a)
Tungsten
b)
Manganese
c)
Molybdenum
d)
Carbon
3 Welding
a steel plate of CE of 0.45 would require preheating to?
a)
Prevent the
formation of sulphides
b)
Prevent
hardening in the HAZ
c)
Prevent the
formation of carbides
d)
To improve
mechanical properties in the weld
4 Which
of the following processes uses the “keyholing”
system of fusion?
system of fusion?
a)
Friction
welding
b)
Diffusion
bonding
c)
Electron
beam welding
d)
Autogenous
TIG welding
5 In
friction welding, is the metal at the interface in the?
a)
Liquid state
b)
Solid state
c)
Plastic
state
d)
Elastic
state
6 Welding
procedures may require welds to be deposited at a controlled rate heat input.
High heat inputs would?
a)
Have poor
profile
b)
Have larger
grain size
c)
Have high
hardness in the HAZ
d)
Have low
elongation properties
7 In
a tensile test, a brittle material would be indicated if the fracture surface?
a)
Shows
reduction in size
b)
Is flat and
featureless
c)
Breaks in
the weld metal
d)
Breaks in
the parent material
8 What
destructive test would be required to ascertain the likelihood of cracking in
the HAZ of a weld?
a)
Nick break
b)
Side bend
test
c)
Charpy input
d)
Macro test
9 In
submerged arc welding, excessive arc voltage may cause?
a)
Excessive
penetration
b)
Change in
weld metal composition
c)
Narrow weld
width
d)
Excessive
bead profile
10 The
British code for visual inspection requirements is:
a)
BS4872
b)
BS499
c)
BS4870
d)
None of the
above
11 A
code of practice for visual inspection should cover the following:
a)
Before,
during and after welding activities
b)
Before
welding activities only
c)
After
welding activities only
d)
None of the above
12 Incomplete
penetration in a butt joint could be caused by:
a)
Excessive
root face width
b)
Excessive
root gap size
c)
Low current
setting
d)
Both A &
C
13 Incomplete
root fusion weld certainly be caused by:
a)
Linear
misalignment
b)
Incorrect
tilt angle
c)
Differing
root face widths
d)
All of the
above
14 When
visually inspecting a completed single v butt weld cap you would certainly
assess:
a)
Cap height
b)
Toe blend
c)
Weld width
d)
A, B & C
15 You
notice a very “veed” ripple shape. This is most likely caused by:
a)
Poor
consumable choice
b)
Welding
position
c)
Excessive
travel speed
d)
All of the
above
16 “Toe
blending” is important as it may affect:
a)
Corrosion
b)
Fatigue life
c)
Overlap type
defects
d)
All of the
above
17 Slag
inclusion would occur with:
a)
Manual metal
arc
b)
Metal inert
gas
c)
Submerged
arc welding
d)
Both A &
C
18 Undercut
principally caused by:
a)
Excessive
amps
b)
Excessive
volts
c)
Excessive
travel speed
d)
All of the
above
19 Undercut
normally assessed by:
a)
Its depth
b)
Its length
c)
Its blending
d)
All of the
above
20 A
welding procedure is useful to:
a)
Give
information to the welder
b)
Give information
to the inspector
c)
Give
“Confidence” to a product
d)
All of the
above
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