-
F 1 Which of following materials cannot efficiently be cut with
OFC? a) High carbon steel b) Low carbon steel c) Stainless steel d)
Cast iron e) c and d above
F2 Electrical conductivity of a part is the primary requirement
for which NDT method?
a) ET b) UT c) PT d) RT e) none of the above
F3 The melting point of carbon steel is approximately
a) 2250 F b) 2375 F c) 2780F d) 3005 F e) 3333 F
F4 Decibel is a term associated with which NDT method?
a) UT b) RT c) MT d) PT e) ET
F5 Which type of GMAW metal transfer results in the least amount
of penetration ?
a) globular b) short circuiting c) spray d) pulsed spray e)
globular spray
F6 Which of the following gases is not commonly used as a
shielding gas for GTAW?
a) Argon b) Carbon dioxide c) Helium d) Argon/helium e) None of
the above
F7 After rejected weld has been repaired, reinspected and found
to be acceptable, the welding inspector should:
a) Change original inspection report to indicate the parts
acceptance b) Simply mark directly on the part c) Fill out a second
inspection report d) Simply tell the foreman to have the part moved
to its next operation e) None of the above
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F8 When a metal is alloyed, the atoms of the alloy are
incorporated into the original metal lattice structure by:
a) Inclusion b) Substitution c) Interstitial d) a or b above e)
b or c above
F9 Shimmed IQI are utilized in which NDT method?
a) UT b) ET c) RT d) MT e) PT
F10 Which of the following is not utilized as a semiautomatic
process ?
a) GMAW b) FCAW c) OFW d) SAW e) c and d above
F11 The performance of which of the following test methods is
least affected by high part temperatures?
a) ET b) RT c) PT d) UT e) None of the above
F12 Crater cracks are most often the result of:
a) improper technique b) improper filler metal c) improper base
metal d) all of the above e) none of the above
F13 The tail of a welding symbol can be utilized for:
a) denoting welding process requirements b) denoting welding
procedure requirements c) denoting welding electrode requirements
d) none of the above e) all of the above
F14 As tempering temperature increases:
a) hardness increases b) hardness decreases c) elongation
decreases d) a and c above e) b and c above
F15 In GMAW, the distance from the end of the contact tube to
the arc is:
a) arc length b) electrode extension c) stickout
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d) a and b above e) b and c above
F16 Which of the following is not a type of metal transfer in
GMAW?
a) spray b) short circuiting c) globular d) pulsed arc e) none
of the above
F17 Ultraviolet light is utilized with what NDT method?
a) VT b) PT c) MT d) a and b above e) b and c above
F18 The technique which does not aid in reducing residual stress
is:
a) peening b) vibratory stress relief c) thermal stress relief
d) external restraint e) preheating
F19 Using VT, all the following flaws may readily be detected
except?
a) surface crack b) undercut c) overlap d) underfill e) none of
the above
F20 Part dimensions can be revealed using all but which of the
following?
a) MT b) UT c) ET d) VT e) all of the above f) none of the
above
F21 Which of the following tests are utilized for determination
of a materials toughness?
a) Charpy test b) dynamic tear test c) drop-weight nil-ductility
test d) all of the above e) none of the above
F22 Of the following elements, which are utilized as an alloy to
pure tungsten to produce GTAW electrodes?
a) zirconium b) thorium c) columbium d) a and b above e) b and c
above
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F23 For single bevel groove weld symbols which denote joints
having only one of the two members prepared, the line of the weld
symbol running perpendicular to the reference line appears:
a) on the right b) on the left c) on either side, depending on
company policy d) on the side in which the straight side actually
appears in the joint e) does not matter
F24 When welding medium carbon steel using the FCAW process, the
heat affected zone hardness will increase when:
a) the weld is allowed to cool slowly b) the base metal is thin
c) the weld current is decreased d) the travel speed is increased
e) preheat is utilized
F25 Of the following, which is not a cause of undercutting when
using SMAW?
a) Weld current too high b) Travel speed too slow c) Welding
electrode too large d) Improper electrode manipulation e) Use of
electrode in a position other that for which it was designed
F26 NDT technicians may be qualified in accordance with the
requirements of:
a) AWS D1.1. b) API 1104 c) SNT-TC-1A d) ASME Section V e) ASME
Section IX
F27 Of those below, which factor has the least effect on the
amount of residual stress and distortion which will result from
welding?
a) Heat input b) Phase changes c) Preheat d) Tensile strength e)
Coefficient of thermal expansion
F28 Capillary action plays a role in which NDT method?
a) ET b) UT c) RT d) PT e) MT
F29 If a welder is continually turning out rejectable work, the
welding inspector should:
a) Inspect his work more critically b) Ask that the welder be
fired c) Require that the welder be requalified d) Instruct the
welder in the proper techniques e) Ask that the welder use another
process
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F30 Which of the following tests can be used to judge weld
soundness? a) nick break b) side bend c) face bend d) radiography
e) all of the above
F31 Arc blow can be caused by:
a) magnetic field distortion b) improper ground location c)
welding at the end of a joint d) welding in corners e) all of the
above
F32 Those shielding gases used primarily for GMAW include:
a) carbon dioxide b) argon c) helium d) a and b above e) all of
the above
F33 Developing is one of the steps in which NDT method?
a) UT b) RT c) PT d) A and b above e) B and c above
F34 Which discontinuity below will provide the sharpest MT
indication?
a) Surface porosity b) Surface crack c) Subsurface porosity d)
Subsurface crack e) Indications will be identical for all of the
above
F35 In SMAW, an increase in arc length results in:
a) Increased current; increased voltage b) Decreased current;
increased voltage c) Increased current; decreased voltage d)
Decreased current; decreased voltage e) None of the above
F36 Weld inspection reports should always:
a) Be completed in ink b) Be done in pencil so mistakes can be
easily corrected c) Be maintained only if the weld is rejectable d)
Filled out by a clerk so that everything is readable e) Include the
welders identification
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F37 the property of a metal which relates to its ability to be
cyclically loaded without failing is:
a) Hardness b) Toughness c) Tensile strength d) Fatigue e)
Ductility
F38 In GMAW, the type of metal transfer requiring a special
power supply is:
a) Spray b) Globular c) Pulsed arc d) Short circuiting e) None
of the above
F39 Which of the following is truly a volumetric test
method?
a) RT b) UT c) ET d) MT e) None of the above
F40 Use of preheat will results in:
a) A faster cooling rate and wider heat affected zone b) A
faster cooling rate and narrower heat affected zone c) A slower
cooling rate and wider heat affected zone d) A slower cooling rate
and narrower heat affected zone e) None of the above
F41 Which of the following methods often utilizes an
oscilloscope screen in the detection of flaws?
a) RT b) ET c) UT d) A and b above e) B and c above
F42 How are hardness and tensile strength related?
a) Increases hardness; decrease tensile strength b) Increase
hardness; increase tensile strength c) Decrease hardness; increase
tensile strength d) A and b above e) Not related
F43 In GMAW, the welding variable controlled by the wire feed
speed is:
a) Arc length b) Voltage c) Current d) Stickout e) None of the
above
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F44 Those welding variables which affect heat input are: a)
Voltage and current b) Current and travel speed c) Voltage, current
and travel speed d) Voltage, current and temperature and preheat
temperature
F45 As temperature increases:
a) Tensile strength increases b) Tensile strength decreases c)
Ductility increases d) A and b above e) B and c above
F46 Which of the following provides the most effective
protection from radiation?
a) Lead shielding b) Steel shielding c) Concrete shielding d)
Cooper shielding e) None of the above
F47 Welding inspection should only performed:
a) When stipulated by the welding foreman b) After the weld has
cooled to room temperature c) During the shift when welding was
completed d) All of the above e) None of the above
F48 If the weld symbol appears directly on the reference line,
it means:
a) Weld both sides b) Weld arrow side first c) Weld other side
first d) Weld has no side significance e) None of the above
F49 Which of the following are considered to be arc welding
processes?
a) SAW, ESW, SW b) FCAW, GTAW, PAW c) ESW, GMAW, SMAW d) FCAW,
SW, ESW e) All of the above
F50 An E7016 SMAW electrode exhibits the following
characteristics: a) Low hydrogen; AC only; iron powder b) Low
hydrogen; AC and DCEP c) Low hydrogen; AC and DCEP; iron powder d)
Rutile; DCEP e) Rutile; DCEP; iron powder
F51 Piezoelectricity is a property utilized by which NDT
method?
a) UT b) ET c) RT d) A and b above e) B and c above
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F52 The thermal treatment that usually follows quenching which
restores some of the metals ductility to as:
a) Stress relief b) Tempering c) Hardening d) Normalizing e)
Postheat
F53 Which of these methods is most often used to reduce
residuals stress created by welding.
a) Prebending b) Shot blasting c) Quenching rapidly after
welding d) Post-weld heat treating e) None of the above
F54 The physical principle which permits the migration of liquid
penetrants into very fine surface discontinuities is:
a) Magnetic permeability b) Optical fluorescence c) Capillary
action d) Emulsification e) None of the above
F55 The process whereby a large gap is filled with braze
material without the help of capillary action is:
a) Torch brazing b) Arc brazing c) Braze welding d) Dip brazing
e) Flow brazing
F56 Which of the following contains base metal
specifications?
a) AWS D1.1 b) ASME Section II, Part C c) AWS A5.1 d) ASME
Section IX e) None of the above
F57 Which of the following is not considered to be a
satisfactory method of magnetization when conducting a magnetic
particle test?
a) AC coil b) AC yoke c) Dc coil d) DC prod e) None of the
above
F58 Advantages of MT include all but:
a) The detection of surface flaws b) The detection of slightly
subsurface flaws c) He detection of surface flaws tightly closed by
carbon, slag or contaminants d) The fact that it is faster than PT
e) None of the above
-
F59 In general, an increase in the carbon equivalent of a steel
will result in an increase in its:
a) Ductility b) Hardness c) Strength d) A and b above e) B and c
above
F60 The most commonly used process for welding light gage
stainless steel tubing for critical applications is:
a) SMAW b) GMAW c) GTAW d) OFW e) None of the above
F61 The fuel gas most commonly used for OFW is:
a) Acetylene b) Propane c) Natural gas d) Methane e) All of the
above
F62 Which of the following can result hydrogen is introduced
into the molten weld puddle?
a) Porosity b) Underbead cracking c) Delayed cracking d) B and c
above e) All of the above
F63 Entrapped slag can result when using:
a) SMAW b) SAW c) FCAW d) ESW e) All of the above
F64 The material property which describes its ability to
withstand a load is:
a) Hardness b) Toughness c) Strength d) Fatigue e) None of the
above
F65 The presence of paint on the surface of a part will most
drastically affect the results of which NDT method?
a) PT b) RT c) MT d) All of the above e) None of the above
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F66 If no information appears to the left of a groove weld
symbol, this means:
a) No weld is required on that side b) The weld is to be full
penetration c) The weld is to be continuous for the entire length
of the joint d) No weld joint preparation is required e) None of
the above
F67Which of the following flaws is not normally detected using
RT?
a) Lamination b) Porosity c) Incomplete fusion d) Crack e) None
of the above
F68 Dwell time a term associated with which NDT method?
a) MT b) PT c) RT d) ET e) None of the above
F69 The material property expressed in terms of an endurance
limit is:
a) Fatigue b) Toughness c) Strength d) Ductility e) Hardness
F70 Fracture toughness results will often be expressed in terms
of:
a) Breaking energy b) Tensile strength c) Percent elongation d)
Endurance limit e) None of the above
F71 Shielding of the molten puddle in OFW is accomplished
by:
a) A granular flux b) A chemical reaction c) An inert gas d) A
vacuum chamber e) A flux paste
F72 In addition to judging the final quality of a weld, the
welding inspector is also responsible for all except:
a) Checking for proper electrode storage b) Verification of a
welders qualification c) Witnessing all repairs d) A and b above e)
B and c above
F73 The last digital of a SMAW electrode designation is an
indication of:
a) The composition of the coating b) The arc characteristics c)
The recommended type of current
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d) The degree of penetration e) All of the above
F74 ET can be used to detect all but:
a) A materials conductivity b) A materials hardness c) A thin
materials thickness d) A materials heat treatment e) None of the
above
F75 For a SMAW electrode, the next to the last number in the
designation refers to:
a) The tensile strength of the weld deposit b) The positions in
which it can be used c) The type of coating d) The recommended type
of current e) None of the above
F76 The property of a material which relates to its resistance
to impact is:
a) Hardness b) Fatigue c) Fracture toughness d) Tensile strength
e) Ductility
F77 Of the following discontinuities, which is least likely to
be result of some improper welding technique?
a) Porosity b) Lamination c) Lamellar tear d) Crack e) None of
the above
F78 Which of the following is considered to be an advantage of
VT?
a) Discontinuities can be located and noted when they occur b)
It is capable of detecting subsurface discontinuities c) It can be
done very economically d) A and b above e) None of the above
F79 Which of the following is not considered to be a welding
inspectors responsibility to the public?
a) Undertaking only those for which he is qualified b) Being
objective and factual in the performance of his duties c) Signing
only for inspection which he has personally performed d) Reporting
nonconformities to the news media e) None of the above
F80 Which of the following cannot typically be done in the
overhead position?
a) SAW b) ESW c) Spray transfer GMAW d) A and b above e) All of
the above
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F81 No information appearing to the right of a groove weld
symbol means:
a) The weld is to be full penetration b) No weld is required on
that side c) The weld is to be continuous for the entire joint
length d) No weld joint preparation is required e) None of the
above
F82 The welding process typically utilizing a tubular electrode
is:
a) SMAW b) GMAW c) FCAW d) SAW e) ESW
F83 The property relating to the metals resistance to indication
is:
a) Strength b) Ductility c) Hardness d) Toughness e) Fatigue
F84 ET is the abbreviation for:
a) Eddy current testing b) Electromagnetic testing c) Emissive
testing d) A and b above e) B and c above
F85 Filler metal specifications are found in which of the
following documents?
a) AWS A5.1 through A5.30 b) ASME Section II, Part C c) AWS D1.1
d) A and b above e) B and c above
F86 The flux covering on a SMAW electrode provides all
except:
a) Gas shielding for the molten puddle b) Arc stabilization c)
Alloying d) Deoxidation e) None of the above
F87 When a weld joint preparation is found to be defective, the
inspector:
a) Should allow welding to proceed if he feels that the welder
can produce a satisfactory weld
b) Should instruct the welder in how to overcome the problem c)
Report the deficiency to the proper supervisory personnel d)
Require that the parts be disassembled and properly assembled e)
None of the above
F88 The orientation of the probing energy source with respect to
that of a flaw is not considered to be a significant variable in
which NDT method?
a) RT b) UT
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c) PT d) MT e) None of the above
F89 Information which appears to the left of the weld symbol
refers to:
a) The weld length b) The weld size c) The electrode size d) The
number of passes required e) None of the above
F90 Which process utilizes a granular flux?
a) SAW b) FCAW c) ESW d) A and b above e) b and c above
F91 Of those microstructural constituents below, the hardest
is:
a) martensite b) ferrite c) bainite d) austenite e) pearlite
F92 In radiography, the image of a completely cracked weld on
the film will:
a) appear as a reasonably well defined low density line b)
appear as a reasonably well defined high density line c) appear as
a row of low density spots or dots d) appears as a row of high
density spots or dots e) none of the above
F93 A materials ductility is commonly expressed in terms of:
a) percent elongation b) percent reduction of area c) yield
strength d) a and b above e) b and c above
F94 Who is responsible for the qualification of welding
procedures?
a) Independent test lab b) fabricator c) welding inspector d)
architect e) engineer
F95 What MT technique could be used for the discovery of
longitudinal flaws?
a) Head shot b) Circular magnetization c) Longitudinal
magnetization d) A and b above e) B and c above
-
F96 Which code gives prequalified status to certain weld joint
configurations?
a) API 1104 b) AWS D1.1 c) ASME Section IX d) None of the
above
F97 Information which appears to the right of the weld symbol
refers to:
a) The process to be used b) The type of electrode to be used c)
The length of weld required d) The size of weld required e) The
required joint configuration
F98 When a clerical mistake is made while completing an
inspection report, the inspector should:
a) Erase the error and fill in the correct information b) Cross
out the error and supply the proper information c) Cross out the
error, supply the proper information, as well as initialing and
dating the occurrence d) Attach a note to the report explaining
the reason for the change e) None of the above
F99 The rapid quenching of a high carbon steel from the
austenitizing range will result in the formation of:
a) Pearlite b) Martensite c) Cementite d) Ferrite e)
Austenite
F100 When an austenitized steel is cooled to room temperature,
an increase in the cooling rate will result in:
a) An increase in hardness and a decrease in hardness b) An
increase in tensile strength and a decrease in hardness c) A
decrease in tensile strength and an increase in hardness d) An
increase in ductility and a decrease in hardness e) An increase in
ductility and a decrease in hardness f) A decrease in hardness and
increase in ductility
F101 That material property which is greatly affected by surface
finish of the part is:
a) Strength b) Fatigue c) Ductility d) Toughness e) None of the
above
F102 The heat treatment in which the materials temperature is
raised to the austenitizing range, held for a prescribed time and
then allowed to cool to room temperature while remaining in the
furnace is referred to as:
a) Stress relief b) Annealing c) Normalizing d) Tempering e)
Austenitizing
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F103 In which direction does a rolled plate material exhibit is
least amount of ductility?
a) Parallel to the rolling direction b) Transverse to the
rolling direction in the plane of the plate c) Transverse to the
rolling direction in a plane perpendicular to the plate surface d)
A and b above e) B and c above
F104 When a weld has been rejected by qualified NDT technician,
the welding inspector should:
a) Review the test results and maintain the test records b)
Reinspect to verify the defect c) Accept the weld if its visual
appearance is in compliance with the applicable
code or specification d) Require another inspection by a third
party e) Accept the weld since it is a low stress region
F105 Equal thickness of steel, cast iron, aluminum, lead and
copper are radiographed using the same exposure conditions. Which
material will result in the darkest radiograph?
a) Lead b) Steel c) Aluminum d) Copper e) Cast iron
F106 The welding process which utilizes a no consumable
electrode is:
a) GMAW b) SAW c) GTAW d) FCAW e) SMAW
F107 The heat treatment in which the materials temperature is
raised to the austenitizing range, held for a prescribed time and
the allowed to cool to room temperature in still air is referred to
as:
a) Austenitizing b) Normalizing c) Annealing d) Quenching e)
Tempering
F108 In a guided bend test using a bend radius equal to twice
the thickness of the specimen, the outer surface of the bend is
elongated approximately:
a) 10% b) 15% c) 20% d) 25% e) none of the above
F109 An E71T-1 electrode designation is for which welding
process?
a) PAW b) FCAW c) SMAW
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d) GMAW e) None of the above
F110 The welding inspector must be capable of:
a) Welding b) Performing NDT c) Performing chemical analysis d)
All the above e) None of the above
F111 A break in the arrow line has what significance?
a) Welding must first be done on the arrow side b) Welding must
first be done on the other side c) Welding must be done alternately
on both arrow and other sides d) The arrow segment points to that
member which receives some preparation e) None of the above
F112 It is discovered that a GMAW mild steel weld was produced
with a shielding gas containing excess moisture? To determine the
extent or surface and subsurface porosity which resulted, which NDT
method would be most effective?
a) MT b) RT c) VT d) PT e) ET
F113 Which welding process always progresses in the vertical
direction with welding occurring in the flat position ?
a) ESW b) SAW c) SMAW d) FCAW e) OFW
F114 The heat treatment in which the materials temperature is
raised to just below the lower transformation temperature and held
for a prescribed time before allowing it to cool to room
temperature is referred to as:
a) Tempering b) Austenitizing c) Stress relieving d) Stress
relieving e) Normalizing f) Preheating
F115 The value at which a materials behavior changes from
elastic to plastic is referred to as the:
a) Yield point b) Modulus of elasticity c) Endurance limit d)
Transformation temprature e) Youngs modulus
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F116 Low hydrogen electrodes can be properly stored :
a) In a natural gas oven b) In a electric oven c) In a vented
electric oven d) In a vented gas oven e) None of the above
F117 All welding symbol information referring to the arrow side
of the joint is found:
a) In the tail b) Above the reference line c) Below the
reference line d) Wherever dictated by company policy e) None of
the above
F118 The marking of a rejectable weld should:
a) Be clear and understandable to all involved b) Be made with a
steel impression stamp c) Note the proper repair procedure d)
Always be in red e) Always include the welders identification
F119 MT cannot be used effectively to inspect:
a) Austenitic stainless steel welds on carbon steel b)
Austenitic stainless steel welds on stainless steel c) Carbon steel
welds on carbon steel d) A and b above e) B and c above
F120 Of the welding processes listed below, the one most
commonly having the highest deposition rate is:
a) ESW b) FCAW c) SAW d) SMAW e) GMAW f)
F121 The use of preheat on a medium carbon steel will: a) Reduce
distortion b) Reduce the possibility of hydrogen cracking c)
Results in the formation of marten site d) A and b above e) B and c
above
F122 The tensile test can be used to provide values for which of
the following?
a) Yield point b) Ultimate tensile strength c) Modulus of
strength d) Elastic limit e) All of the above
F123Which of the following is not an acceptable method for
control of raw materials?
a) Color coding b) Alpha-numeric coding c) Chronological
arrangement
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d) Location segregation e) None of the above
F124 The welding inspectors duties should include:
a) The acceptance/rejection of welds b) The verification of a
weld filler metal type c) The development of weld repair procedures
d) A and b above e) B and c above
F125 In the construction of a welding symbol, the basic element
is the:
a) Arrow b) Reference line c) Weld symbol d) Tail e) None of the
above
Questions F 126 and F127 refer to Figure 1 F126 The length of
weld:
a) Is not important. b) Cannot be determined directly from the
symbol. c) Can be determined from the symbol d) All of the above e)
None the above.
F127 The symbol in Figure 1 requires:
a) Field welding b) Weld all around c) A fillet weld d) The use
of shielded metal arc welding e) All of the above
F128 A SMAW weld was produced in which the welder failed to
properly clean between passes in a multipass weld. Which
non-destructive test would best reveal the flaws which may be
present in the completed weld?
a) RT b) VT c) MT d) PT e) ET
F129 SMAW can be utilized in which type of application?
a) Semi-automatic b) Machine c) Manual d) All of the above e)
None of the above.
F130 What position is depicted in Figure 2 ?
a) 6G b) 5G c) 6F d) 6GR e) none of the above
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F131 What is the approximate diameter of an electrode which
measures 1.2 mm?
a) 0.472 in b) 4.72 in c) 0.39 ft d) 0.39 ft e) none of the
above
F132 Underbead cracking is primarily caused by:
a) a source of hydrogen b) restraint c) excessive preheat d) all
of the above.
F133 Which is not a true statement about brazing?
a) The base metal is not melted b) The filler metal melts at a
temperature below 800 degreed F c) It can be dine in an inert gas
atmosphere d) It relies on capillary action. e) None of the
above
Questions F134 and F135 refer to Figure 3 F134 The first
operation required by the above symbol is:
a) Ultrasonic inspection of the base metal b) Visual inspection
of joint preparation c) Performance of groove weld d) Performance
of back weld e) Back gouging
F135 Ultrasonic inspections is to be performed:
a) On the backing weld only b) On the entire length of weld c)
On 10% of the weld length d) From the arrow side only e) None of
the above
F136 Which welding process utilizes a constant current power
source?
a) GMAW b) SMAW c) GTAW d) a and above e) b and c above
F137 Which of the following discontinuities is associated with
shrinkage stresses in the through-thickness direction of thick
plate?
a) Crater cracks b) Lamellar tears c) Toe cracks d) Root cracks
e) None of the above.
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F138 Which of the welding techniques below describes a welding
process in which the arc and filler metal feeding is
machine-operated while the joint travel speed and guidance are the
responsibility of the welder?
a) Semi-automatic b) Manual c) machine d) automatic e) none of
the above
F139 The symbol shown in figure 4 depicts:
a) a backing weld b) a field weld c) a melt-through weld d) weld
all around e) grind to a rounded contour
F140 Which of the following symbols correctly describes the
joint configuration shown in Figure 5?
F141 The width of the cut produced during a cutting process is
referred to as:
a) root opening b) kerf c) bevel d) bevel angle e) chamfer
F142 For the 2G position in pipe welding:
a) the axis of the pipe is vertical and the plane of the weld is
horizontal b) the axis of the pipe is horizontal and the plane of
the weld is vertical. c) The pipe not fixed d) The axis of the pipe
and the plane of the weld are at 45 degree angles with the
vertical plane e) None of the above.
FIGURA 4
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F143 During operation, the heat for electroslag welding is
provided by a) The arc b) The electrical resistance heating c) Of
the granular flux d) The consumable quide tube e) a and b above f)
B and c above
F144 A flow rate of 22 litters per minute is approximately equal
to:
a) 466 cfh (cubic feet per hour) b) 46.62 cfh c) 10.38 cfh d)
103.8 cfh e) none of the above.
F145 It is suspected that a GMAW weld was produced in an area
where there was an excessive draft. Which non-destructive test
would best reveal the internal discontinuities which may have
resulted.
a) PT b) MT c) RT d) UT e) None of the above.
Questions F146 through F149 refer to Figure 6 F146 The size of
the arrow side weld is:
a) inch b) 5/16 inch. c) 1 inch d) 2 inch e) none of the
above
F147 The length of the other side weld is:
a) 1 inch b) 6 inches c) 2 inches d) 4 inches e) none of the
above
F148 The pitch of the other side weld is:
a) inch b) 4 inches c) 5/16 inch d) 1 inch e) 2 inches
F149 The process to be used in welding according to Figure 6
is:
a) the inspectors choice b) the fabricators choice c) not stated
d) b and c above e) none of the above
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F150 In order learn the exact location of a subsurface flaw in
three directions, the best NDT method would be:
a) RT b) MT c) PT d) UT e) ET
F151 That surface of a member included in the groove best
describes :
a) Root opening b) Groove angle c) Weld interface d) Groove face
e) None of the above
F152 Crater cracks are the result of:
a) Poor welding technique b) Restraint c) Shrinkage d) Underfill
of crater e) All of the above
F153 Figure 7 depicts which welding process?
a) SAW b) SMAW c) PAW d) GMAW e) FCAW
Questions F154 through F156 refer to Figure 8 F154 The
boundaries indicates by A are:
a) Fusion line b) Depth of fusion c) Weld interface d) Fusion
face e) None of the above.
F155 The dimension D is referred to as:
a) Fusion face b) Fusion zone c) Depth of fusion d) Weld
interface e) Fusion line
F156 The weld interface is indicated by:
a) A b) B c) C d) D e) none of the above
F157 A preheat temperature of 225 degrees F is approximately
equal to:
a) 380 degrees K
-
b) 107.2 degrees C c) 437 degrees C d) a and b above e) b and c
above
F158 Which of the following welds is not considered applicable
for an edge joint?
a) V-groove b) Plug c) Edge-flange d) U-groove e) J-groove
Questions F159 through F161 refer to Figure F159 The dimension A
refer to:
a) Root penetration b) Weld penetration c) Depth of fusion d)
Joint penetration e) None of the above
F160 The dimension D is called:
a) Joint penetration b) Weld size c) Root penetration d) a and b
above e) b and c above
F161 The dimension B is referred to as:
a) joint penetration b) root penetration c) root reinforcement
d) a and b above e) b and c above
F162 Which of the following is not a type of weld joint?
a) Lap b) T c) Fillet d) Butt e) Edge
F163 When using SMAW, wet electrodes will most likely cause
:
a) Undercut b) Overlap c) Underfill d) Porosity e) All of the
above
F164 Which of the following is considered to be an acceptable
way to provide backing for a V-groove welds in a butt joint?
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a) Cooper backing bar b) Ceramic backing c) Flux backing d) All
of the above
F165 A welder deposits an average of 12 pounds of weld metal per
hour. How many kilograms will be deposited in six hours of
continuous welding?
a) 5.448 Kg b) 32.69 Kg. c) 54.48 Kg. d) 26.46 Kg. e) 158.76
Kg.
F166 a single wire submerged arc welding machine is operating at
600 amps. 32 volts and is travelling at 8 inches per minute. What
is the heat in pout for this situation?
a) 2,400 J/in b) 1,152,000 J/in c) 144,000 J/in d) 110,000 J/in
e) 14,400 J/in
F167 An Mt indication is noted at the toe of fillet weld which
exhibits an excessively convex profile. What interpretation should
be made?
a) Ignore, since it is a no relevant indication b) Reject the
weld c) Grind to remove the excess convexity and retest d) Accept
the weld e) None of the above
F168 The pipe welding test position in which the pipe is
horizontal and rotated so that welding takes place at or near the
top is designated as:
a) 2G b) 2F c) 3F d) 3G e) 1G
F169 The most efficient NDT method for discovery of undercut the
face of a weld is:
a) VT b) RT c) UT d) MT e) PT
F170 The design strength of a fillet weld is always based on the
throat dimension because:
a) It has a columnar microstructure, which is more prone to
cracking. b) It is the shortest failure path trough the weld c) It
is the location of most defects d) The design calculations cannot
be checked e) It is a theory of failure that cannot be supported by
actual laboratory testing
-
F171 Arc strikes are discontinuities most commonly associated
with: a) ESW b) SAW c) SMAW d) a and b above e) b and c above
F172 Double-welded-groove joints always require:
a) backgouging b) Special welding processes c) High deposition
rate from both sides of the joint d) None of the above
F173 What welding process is depicted in Figure 10?
a) FCAW b) GMAW c) SMAW d) SAW e) ESW
F174 Light-colored areas within the weld zone in a radiograph
could represent
a) Porosity b) Tungsten inclusions c) Melt-through d) a and b
above e) b and c above
F175 A single-welded-groove joint always requires:
a) special welding processes b) back gouging c) a backing bar d)
no root opening e) none of the above
F176 The substance used in UT to aid in the transmission of
sound from the search unit to the workpiece and back is called:
a) solvent b) attenuation c) couplant d) cable e) transducer
F177 A 30 pound roll of welding wire weights how many
kilograms
a) 1.362 Kg. b) 66.15Kg. c) 13.62Kg. d) 661.5 Kg. e) 6.615
Kg.
F178 The junction of the weld whit the surface of the base metal
is referred to as the:
a) face b) root
-
c) leg. d) Toe. e) Edge.
F179 Internal plate laminations are best revealed using:
a) UT b) RT c) MT d) PT e) ET
F180 Porosity in GMAW can be caused by :
a) Drafts b) Contamination c) Too little shielding gas flow d)
Too much shielding gas flow e) All of the above
F181 The overhead fillet position is designated as:
a) 5F b) 4F c) 3F d) 2F e) 1F
F182 The radiograph in figure 11 shows:
a) cracks b) incomplete fusion c) incomplete penetration d) slag
inclusions e) none of the above
F183 The welding process depicted in Figure 12 is:
a) GMAW b) SAW c) SMAW d) GTAW e) PAW
F184 The radiograph shown is Figure 13 exhibits:
a) Slag inclusions b) Tungsten inclusions c) Porosity d)
Incomplete fusion e) None of the above.
F185 How many micrometers are in one meter?
a) 1,000,000 b) 1,000 c) 100 d) 1,000,000,000 e) none of the
above
F186 In groove weld cross section, the separating weld metal
from base metal is called:
-
a) the fusion face b) the depth of fusion c) the depth of
penetration d) the weld interface e) none of the above
F187 in the radiograph in Figure 14, the, arrows point to:
a) transverse cracks b) a crater crack c) a longitudinal crack
d) an underbead crack e) none of the above
F188 Incomplete fusion can be caused by:
a) laminations b) weld joint contamination c) undercut d) wet
electrodes e) seams and laps
F189 In pipe groove welding, the 45 degree fixed position is
designated as:
a) 1G b) 2G c) 2F d) 5G e) 6G
Questions F191 through F195 refer to Figure 15 F190 The A
dimension is referred to as:
a) the throat b) the size c) the leg. d) a and b above e) b and
c above.
F191 F points to:
a) the root penetration b) the weld c) penetration d) the weld
root e) the joint root f) none of the above.
F192 The dimension C shows:
a) The theoretical throat b) The actual throat c) The effective
throat d) a and b above. e) b and c above
F193 The dimension D is called
-
a) the theoretical throat b) the effective throat c) the actual
throat d) a and b above e) b and c above.
F194 The dimension E refers to:
a) The actual throat b) The effective throat c) The theoretical
throat d) a and c above e) None of the above.
F195 If a wire being fed at a speed of 120 mm/s, hoe many inches
per minute is that equal to?
a) 28.3 pm b) 283 pm c) 50.75 pm d) 5.076 pm e) none of the
above.
F196 The defect noted in the radiograph in Figure 16 is:
a) Incomplete penetration b) A crack c) Incomplete fusion d)
Porosity e) None of the above
F197 Centerline cracks can be caused by
a) The use of preheat b) A highly restrained weld joint c) Using
the wrong polarity d) Stress relief heat treatment e) The presence
of incomplete sidewall fusion
F198 A tensile strength of 198 Mpa is approximately equal
to:
a) 4,136,000 pounds per square foot b) 28,700 pounds per square
inch c) 4,136 pounds per square foot d) a and b above e) b and c
above
F199 Which NDT method will best reveal subsurface porosity
a) RT b) PT c) MT d) UT e) None of the above.
F200 A PT indication of a subsurface discontinuity will appear
how as compared to a surface discontinuity.
a) Intermittent
-
b) Sharper c) less distinct d) PT cannot detect a subsurface
flaw e) None of the above.
F201 A tensile strength of 65,000 psi is approximately equal
to:
a) 448,000 Pa b) 448,000,000 Pa c) 448 Mpa d) a and b above e) b
and c above
F202 An MT indication of a subsurface discontinuity will appear
how as compared to a surface discontinuity?
a) Intermittent b) Sharper c) Less distinct d) MT cannot detect
a subsurface flaw e) None of the above.
F203 Which of the following conditions can cause slang
inclusions in a weld?
a) Poor welder technique b) Careful interpass cleaning c)
Insufficient preheat d) c and b above e) b and c above
F204 To be most effective, visual inspection must be
conducted:
a) before welding b) during welding c) after welding d) all of
the above e) none of the above
Questions F206 through F210 refer to Figure 17 F205 The
dimension B in referred to as:
a) the leg. b) The size c) The effective throat d) The
theoretical throat e) A and b above
F206 The dimension A refers to:
a) Convexity b) Concavity c) Face reinforcement d) a and c above
e) b and c above.
F207 The dimension C is called:
a) The actual throat.
-
b) The effective throat c) The theoretical throat d) A and b
above e) B and c above
F208 The dimension D is called:
a) The actual throat. b) The effective throat c) The theoretical
throat d) A and b above e) B and c above
F209 F points to:
a) The joint penetration b) The weld penetration c) The weld
root d) The joint root e) None of the above
F210 A discontinuity is:
a) Always reject able b) Sometimes rejectable c) Always a defect
d) Sometimes a defect e) B and D above
F211 What weld discontinuity is show by the arrow in the
radiograph in figure 18?
a) Crack b) Incomplete penetration (incomplete fusion at root)
c) Burn through d) Hollow bead e) Tungsten inclusion
F212 An oxygen regulator is set for 40 psi. this is equal to how
many pascals?
a) 2758 Pa b) 275.8 Pa c) 275, 800 Pa d) 2758 kPa e) none of the
above
F213 Which of the following discontinuities can be caused by
poor welding technique?
a) Incomplete fusion b) Porosity c) Undercut d) Overlap e) All
of the above
F214 What impact strength corresponds to 80 joules?
a) 2.03 ft-lbf b) 6.2 ft-lbf c) 20.3 ft-lbf d) 62 ft-lbf
-
e) All of the above F215 Which of the following discontinuities
is seldom discovered during VT?
a) Crack b) Incomplete penetration c) Porosity d) Tungsten
inclusion e) None of the above
F216 Which discontinuity occurs in the head affected zone and
can result from excess moisture in the weld zone?
a) Longitudinal crack b) Crater crack c) Underbead crack d)
Porosity e) Transverse crack
F217 A megapascal is equal to:
a) 1 000 Pa b) 1 000 000 Pa c) 1 000 Kpa d) a and b above e) b
and c above
F218 Which of the conditions below can porosity in a weld?
a) Welder technique b) Damp electrodes c) Oily base metal d) B
and c above e) All of the above
F219 Which of the following discontinuities is not associated
with GTAW?
a) Lack of fusion b) Slag inclusions c) Tungsten inclusions d)
Porosity e) Undercut
F220 A travel speed of 21 ipm converts to:
a) 88.9 mm/s b) 8.89 mm/s c) 0.0889 m/s d) 0.889 m/s e) None of
the above
F221 What is the ultimate tensile strength in Mpa of tensile
specimen having a cross section of 0.3 square inch which broke at a
load of 24 600 pound?
a) 565 Pa b) 565 Mpa c) 5.65 Pa d) 5.65 Mpa e) None of the
above
F222 Which of the following discontinuities are not associated
with GMAW?
a) Slang inclusions
-
b) Porosity c) Tungsten inclusions d) A and B above e) A and C
above
F223 A heat input of 40 000 J/in is approximately equal to:
a) 157.5 J/m b) 1575 J/m c) 15.75 kJ/m d) 157.5 kJ/m e) None of
the above
F224 NDT technicians are qualified in accordance with
a) AWS D1.1 b) API 1104 c) SNT-TC 1A d) ASME section V e) ASME
section IX
F225 If a welder is continually turning out rejectable work, the
welding inspector should:
a) Inspect his work more critically b) Ask that the welder be
terminated c) Require requalification d) Instruct the welder in
proper techniques e) Ask that the welder use another process
F226 The Welding are may produce toxic breathing conditions when
the welding atmosphere contains vapor of:
a) Chloronated hydrocarbons b) Trichlorethylene c) Metal oxides
d) Perchloroethylene e) All of the above
F227 The CAWI
a) Is responsible for determination of weldments conformance to
acceptable standards
b) Inspects weldments only under the direction of a CWI c)
Cannot inspect critical weldments d) Performs inspection the same
as a CWI e) All of the above
F228 The surface between two pieces to be joint that lie
parallel planes is called
a) Weld interface b) Faying surface c) Weld edge d) Groove face
e) None of the above
F229 Hydrogen in the molten weld metal will cause:
a) Undercut b) Overlap
-
c) Incomplete penetration d) Porosity e) C and D above
F230 Which of the following statements defines the Curie
temperature?
a) Heat treating temperature in aging or curing plastics b)
Temperature that curestemper embrittlement c) Radioactive
temperature discovered by madam curie d) Temperature above which a
magnetic material becomes nonmagnetic e) None of the above
F231 Diffusion of metal in the solid state is:
a) Crumbling of edges due to oxidation b) Dissolving the metal
in other chemicals c) Burning certain alloying elements out of
metal d) The migration of atoms from their home position e)
Convection caused by uneven heating
F232 Where should the preheat temperature be measured?
a) In the weld groove b) 6 inches from the edge of the weld
groove c) where the are will be initiated d) 3 inches from the edge
of the weld groove e) None of the above
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FUNDAMENTALS (ANSWER SHEET)
F1 e F35 b F69 a F103 c F137 b F171 c F205 e
F2 a F36 a F70 a F104 a F138 a F172 d F206 a
F3 c F37 d F71 b F105 c F139 c F173 c F207 c
F4 a F38 c F72 c F106 c F140 b F174 e F208 b
F5 b F39 b F73 e F107 b F141 b F175 e F209 c
F6 b F40 c F74 e F108 c F142 a F176 c F210 e
F7 c F41 e F75 b F109 b F143 b F177 c F211 e
F8 e F42 b F76 c F110 e F144 b F178 d F212 c
F9 c F43 c F77 b F111 d F145 c F179 a F213 e
F10 c F44 c F78 e F112 b F146 b F180 e F214 d
F11 a F45 e F79 d F113 a F147 c F181 b F215 d
F12 a F46 a F80 e F114 c F148 b F182 c F216 c
F13 a F47 e F81 c F115 a F149 d F183 d F217 e
F14 b F48 d F82 c F116 c F150 d F184 a F218 e
F15 e F49 b F83 c F117 c F151 d F185 a F219 b
F16 e F50 b F84 a F118 a F152 e F186 d F220 b
F17 e F51 a F85 d F119 d F153 a F187 a F221 b
F18 d F52 b F86 e F120 a F154 d F188 b F222 e
F19 e F53 d F87 c F121 d F155 c F189 e F223 e
F20 a F54 c F88 c F122 e F156 c F190 b F224 c
F21 d F55 c F89 b F123 c F157 d F191 d F225 c
F22 d F56 e F90 e F124 d F158 b F192 a F226 e
F23 b F57 e F91 a F125 b F159 c F193 e F227 b
F24 d F58 e F92 b F126 c F160 d F194 e F228 b
F25 b F59 e F93 d F127 e F161 b F195 b F229 d
F26 c F60 c F94 b F128 a F162 c F196 d F230 d
F27 c F61 a F95 d F129 c F163 d F197 b F231 b
F28 d F62 e F96 b F130 d F164 e F198 d F232 d
F29 c F63 e F97 c F131 e F165 b F199 a
F30 e F64 c F98 c F132 a F166 c F200 d
F31 e F65 a F99 b F133 b F167 c F201 e
F32 e F66 b F100 a F134 c F168 e F202 c
F33 e F67 a F101 b F135 b F169 a F203 a
F34 b F68 b F102 b F136 e F170 b F204 d