Term
| 1. Using the conversion factor, 60,000 psi is equivalent to which of the following?A. 413,685 KPaB. 8,700 KPaC. 41,360 KPaD. 87,000 KPaE. None of the above. |
|
Definition
|
|
Term
173. Porosity in a weld made by the FCAW process is often caused by:
A. voids in the flux core
B. moisture in the flux core
C. deficiency in a flux component
D. all of the above
E. B and C |
|
Definition
|
|
Term
174. Which of the following conditions can have an influence or discontinuities in
high frequency welds?
A. current
B. welding speed
C. upset
D. all of the above
E. none of the above |
|
Definition
|
|
Term
175. If it has been determined that cracks in a weld produced by GMAW are
caused by too high a weld depth-to-width ratio, which of the following
actions may correct the problem?
A. increase the arc voltage
B. decrease the welding current
C. decrease the travel speed
D. all of the above
E. none of the above |
|
Definition
|
|
Term
176. Inclusions in welds produced by the GMAW process can usually be
eliminated by:
A. reducing the travel speed
B. increasing the arc voltage
C. using a more highly deoxidized electrode
D. all of the above
E. none of the above |
|
Definition
|
|
Term
177. Subsurface copper contamination in a weld made by the plasma arc welding
process can only be detected by:
A. ultrasonic testing
B. a macroetch test
C. radiographic examination
D. the welder
E. visual examination |
|
Definition
|
|
Term
183. Piping porosity is most often found in:
A. Fillet welds
B. tee joints
C. lap joints
D. ESW
E. all of the above |
|
Definition
|
|
Term
184. In SMAW, one of the following is not a cause of incomplete welding.
Which one?
A. low current
B. welding technique
C. large electrode diameter
D. joint design
E. small diameter electrode |
|
Definition
| E. small diameter electrode |
|
|
Term
185. In one of the following processes, delamination is not a problem. Which
one?
A. SMAW
B. SAW
C. GMAW
D. ESW
E. FCAW |
|
Definition
|
|
Term
186. Hydrogen embrittlement originates from:
A. oil
B. rust
C. paint
D. grease
186. Hydrogen embrittlement originates from:
A. oil
B. rust
C. paint
D. grease
E. all of the above |
|
Definition
|
|
Term
187. Piping porosity (elongated porosity) is caused by:
A. welding technique
B. faulty materials
C. loss of gas shielding
D. inadequate current
E. all of the above |
|
Definition
|
|
Term
188. A common cause of delayed cracking is:
A. moisture
B. oil
C. rust
D. grease
E. all of the above |
|
Definition
|
|
Term
189. Porosity along the joint boundary, such as the root of the weld is:
A. piping porosity
B. cluster porosity
C. uniform porosity
D. scattered porosity
E. linear porosity |
|
Definition
|
|
Term
190. Porosity extended from the root of the weld to the face is:
A. piping porosity
B. cluster porosity
C. uniform porosity
D. scattered porosity
E. linear porosity |
|
Definition
|
|
Term
191. The most common cause of slag inclusions is
A. improper filler metal
B. moisture
C. welding techniques
D. excessive current
E. all of the above |
|
Definition
|
|
Term
192. Non-metallic solid material entrapped in weld metal or between weld metal \
and base metal is called:
A. tungsten inclusion
B. cluster porosity
C. slag inclusion
D. filler material
E. all of the above |
|
Definition
|
|
Term
193. A cause of incomplete fusion might be
A. improper welding technique
B. improper penetration of surfaces to be welded
C. improper joint design
D. all of the above
E. none of the above |
|
Definition
|
|
Term
196. If a welding symbol has an open circle at the arrow end of the reference line; what is
indicated ?
A. Drill a stress relief hole in the weld
B. Scattered porosity is allowable
C. Weld all around
D. Field weld
E None of the above |
|
Definition
|
|
Term
77. What is Autogenous Welding?
A. oxy-acetylene welding
B. sheet metal welding with the short-circuiting mode of GMAW
C. welding with no added filler metal
D. all of the above
E. none of the above |
|
Definition
| C. welding with no added filler metal |
|
|
Term
78. If the root opening is too large, what action should you, as the responsible inspector, take?
A. ask the supervisor to have the opening reduced
B. tell the welder that he cannot legally weld the joint
C. wait to see the results of the welding process before making a judgment
D. all of the above
E. none of the above |
|
Definition
| A. ask the supervisor to have the opening reduced |
|
|
Term
79. What is the difference between discontinuities and defects?
A. a defect is a rejectable discontinuity
B. discontinuities deal with base metal where as defects deal with weld metal
C. there should be no distinction between discontinuities and defects
D. all of the above
E. none of he above |
|
Definition
| A. a defect is a rejectable discontinuity |
|
|
Term
80. What criteria must an inspector use to judge whether a discontinuity is serious enough to
reject the weldment?
A. non-destructive tests
B. the subjective judgment of the inspector
C. conditions set down in the acceptance standard, code, or specification of the specific
job
D. visual inspection
E. destructive tests |
|
Definition
C. conditions set down in the acceptance standard, code, or specification of the specific
job |
|
|
Term
81. If linear porosity is aligned along a joint boundary, what cause is suspected?
A. lack of shielding
B. excessive heat applied
C. contamination near the boundary
D. not enough heat
E. poor welder technique |
|
Definition
| C. contamination near the boundary |
|
|
Term
82. What is the difference between porosity and inclusions?
A. porosity consists of bubbles in the weld while inclusions are forms of cracks
B. porosity is caused by entrapped gas while inclusions are entrapped solid particles
C. porosity and inclusions are the same. There is no difference
D. A. and B.
E. none of the above |
|
Definition
| B. porosity is caused by entrapped gas while inclusions are entrapped solid particles |
|
|
Term
83. What characteristic is always common to the discontinuities of lamination, lamellar tears,
and seams and laps?
A. all are caused by stresses not associated with welding
B. all originate in the base metal, not the weld
C. all run parallel to the surface
D. all of the above
E. none of the above |
|
Definition
| B. all originate in the base metal, not the weld |
|
|
Term
84. What information about discontinuities must acceptance standards contain?
A. types of discontinuities, which are not permissible
B. maximum allowable size of respective discontinuities
C. A. and B.
D. none of the above |
|
Definition
|
|
Term
85. What is the S.I. unit used to measure power?
A. the Pascal - Pa
B. the Joule - J
C. the Watt - W
D. the Ampere -A
E. none of the above |
|
Definition
|
|
Term
86. What derived S.I. unit is used to measure tensile strength?
A. the Pascal - Pa
B. the Joule - J
C. the Watt - W
D. the Ampere - A
E. none of the above |
|
Definition
|
|
Term
87. Ductility is a property of medium carbon steel that enables it to :
A. resist indentation
B. deform or elongate without breaking
C. resist corrosion
D. not fracture at low temperatures
E. none of the above |
|
Definition
| B. deform or elongate without breaking |
|
|
Term
88. Hardness is a property of metals, which is best defined by which of the following?
A. resistance to indentation
B. ability to resist shear
C. resistance to fracture
D. ability to withstand elevated temperatures
E. A. and D. |
|
Definition
| A. resistance to indentation |
|
|
Term
89. Yield Strength is best defined by which one of the following phrases?
A. resistance to elongation
B. ability to withstand shock loading
C. resistance to plastic deformation
D. ability to withstand elastically from stress
E. none of the above |
|
Definition
| C. resistance to plastic deformation |
|
|
Term
90. The "offset" method is used in material testing to determine which of the following
properties of a test specimen?
A. hardness
B. yield strength
C. tensile strength
D. toughness
E. none of the above |
|
Definition
|
|
Term
91. Toughness is a property of metals, which is influenced by which of the following?
A. temperature of the metal
B. stress risers
C. mechanical notches
D. A, B, and C
E. none of the above |
|
Definition
|
|
Term
92. A welder qualified for SMAW using E6011 electrode is also qualified for which of
the following ?
A. E7015
B. E7024
C. E7018
D. E6012
E. B. and D. |
|
Definition
|
|
Term
93. Brazing is a group of welding processes which produce coalescence of materials by heating
to a suitable temperature and by using filler metal having a minimum melting temperature
above which of the following?
A. 390 degrees C.
B. 450 degrees C.
C. 840 degrees F.
D. 760 degrees F.
E. B. and C. |
|
Definition
|
|
Term
94. The shielding gasses used for the GMAW process may be which of the following?
A. argon
B. helium
C. CO 2
D. argon/CO 2
E. all of the above |
|
Definition
|
|
Term
95. Which of the following metals may not be welded with the GMAW process?
A. copper
B. aluminum
C. monel
D. stainless steel
E. tungsten |
|
Definition
|
|
Term
96. In the SAW process, what causes the elongated raised islands on the surface of the weld?
A. flux layer too deep
B. flux layer too shallow
C. travel speed too fast
D. porosity
E. excessive voltage |
|
Definition
|
|
Term
97. In the SAW process, what causes fish eyes on the surface of the weld?
A. porosity
B. flux layer too shallow
C. excessive voltage
D. travel speed too slow
E. excessive amperage |
|
Definition
|
|
Term
98. A transverse weld specimen is normally used for which of the following?
A. yield strength
B. elongation
C. evaluate Joint efficiency
D. A. and D. above
E. none of the above |
|
Definition
| C. evaluate Joint efficiency |
|
|
Term
99. Which metals are most suitable for carbon arc metal removal?
A. copper
B. nickel alloys
C. stainless steels
D. metals not readily oxidized
E. all of the above |
|
Definition
|
|
Term
100, A basic difference between a radiograph and a fluoroscopic image is:
A. the fluoroscopic image is more sensitive
B. the fluoroscopic image is a positive where as the radiograph is a negative
transparency
C. the fluoroscopic image is brighter
D. there is no basic difference between the two
E. none of the above |
|
Definition
| B. the fluoroscopic image is a positive where as the radiograph is a negative |
|
|
Term
106. In film radiology, penetrameters are usually placed:
A. between the intensifying screen and the film
B. on the source side of the test object
C. on the film side of the test object
D. between the operator and the radiation source
E. none of the above |
|
Definition
| B. on the source side of the test object |
|
|
Term
107. During radiographic examination, the parts to be x-rayed are exposed to several million
volts. The following should be considered for safety:
A. check the exposed parts with a Geiger counter
B. the parts will emit secondary radiation for about 45 seconds
C. the parts should be stored in a lead lined room for about 3 days
D. all of the above
E. none of the above |
|
Definition
|
|
Term
108. During SMAW welding, exposure to the arc can cause damage to the skin and eyes.
Additionally, welding in the presence of the following can be a hazard:
A. oxygen
B. carbon tetra chloride
C. tri chloethylene
D. A and B
E. B and C |
|
Definition
|
|
Term
109. A CAWI is responsible to which of the following?
A. plant engineer
B. CWI
C. welding engineer
D. N.D.E. Engineer Level II
E. none of the above |
|
Definition
|
|
Term
110. A CAWI inspects and is responsible for accepting which of the following?
A. joint fit-up
B. radiographs
C. welding procedures
D. visual inspector
E. none of the above |
|
Definition
|
|
Term
119. Low hydrogen electrodes of the E80XX series, when taken from the hermetically sealed
container, shall be kept in an oven or shall be used within:
A. 1.2 hours
B. 1 hour
C. 2 hours
D. 3 hours
E. 4 hours |
|
Definition
|
|
Term
120. When using direct current electrode negative, the electrode is:
A. positive
B. negative
C. neutral
D. alternating
E. none of these |
|
Definition
|
|
Term
121. Fillet welds in holes and slots are not to be:
A. used to join parts of component build-up members
B. used to prevent buckling
C. used to transmit shear in a lap joint
D. considered a plug or a slot weld
E. all of the above |
|
Definition
| D. considered a plug or a slot weld |
|
|
Term
122. The maximum size low hydrogen electrode that shall be used for the repair
of defects in base metal or in weld metal is:
A. 1/8 in.
B. 5/32 in.
C. 3/16 in.
D. Y4 in.
E. 5/16 in |
|
Definition
|
|
Term
123. The maximum size fillet weld that is to be made along the edge of a 9/16 in.
plate is:
A. 5/8 in.
B. 9/16 in.
C 1/2 in.
D. 7/16 in.
E. 3/8 in |
|
Definition
|
|
Term
124. Steel used in construction shall conform to the specifications of:
A. AWS
B. ASME
C. AISC
D. ASTM
E. AISI |
|
Definition
|
|
Term
125. Electrodes used in shielded metal arc welding shall be regulated by AWS
specifications.
A. A5.20
B. A2.0
C. A5.18
D. A5.1
E. A5.14 |
|
Definition
|
|
Term
126. Which of the following electrodes are to be protected from moisture by
keeping them in holding ovens until used?
A. E6010
B. E6011
C. E6013
D. E7014
E. E7018 |
|
Definition
|
|
Term
| 127 Express 18,492,000 in scientific notation. A. 18.492 X 10 -6 B. 1.8492 X 10 -7 C. 1.8492 X 107 D. 18.492 X 106 |
|
Definition
|
|
Term
128. Express 0.0032 in scientific notation.
A. 3.2 X 104
B. 0.32 X 10-2
C. 3.2 X 10-3
D. 3.2 X 103 |
|
Definition
|
|
Term
129. Express 0.0000482 in scientific notation.
A. 4.82 X 10-5
B. 4.82 X 105
C. 48.2 X 10-4
D. 48.2 X 104 |
|
Definition
|
|
Term
130. What is 85,000 psi tensile strength in S.I. Units?
A. 586 Pa
B. 586 KPa
C. 586 MPa
D. 5.86 MPa
E. 58.6 MPa |
|
Definition
|
|
Term
131. An electrode box is marked 50Ibs. What is the approximate weight in kilograms?
A. 230 Kg
B. 23 Kg
C. 220 Kg
D. 22 Kg
E. 2.3 Kg |
|
Definition
|
|
Term
132. The notch impact strength of a certain weld must be measured at minus 40°C. What
temperature is this in Fahrenheit?
A. -20° F.
B. -30° F.
C. -35° F.
D. -40° F.
E. -50° F. |
|
Definition
|
|
Term
133. The maximum tensile strength of ASTM - A36 plate is 550 MPa. What
is the maximum tensile strength in English Units?
A. 7.975 X 105 psi
B. 79.75 X 104 psi
C. 79,0000 psi
D. 7,795 psi
E. 0.7975 X 10 6 psi |
|
Definition
|
|
Term
134. Determine the ultimate tensile strength in SI Units for a coupon of area
0.5 in.2 and breaking at a load of 35.0 X 10 3 lbs. (UTS=Load ÷ Area)
A. 70 Ksi
B. 7.0 X 105 Pa
C. 483 MPa
D. 48.3 X 102 Pa
E. 4.83 X 104 MPa |
|
Definition
|
|
Term
135. Convert a travel speed of 43 mm/sec to English Units.
A. 102 in/min
B. 102 in/sec
C. 82 in/sec
D. 92 in/min
E. 18 in/min |
|
Definition
|
|
Term
136. Calculate argon flow of 20 liters per minute to English Units.
A. 4.28 ft3/hr
B. 42.8 ft3/hr
C. 428 ft3/hr
D. 9.4 ft3/hr
E. 94 ft3/hr |
|
Definition
|
|
Term
137. A 3/16 in. diameter electrode is what diameter in SI Units?
A. 5.2 mm
B. 4.6 mm
C. 4.7 mm
D. 4.8 mm
E. 4.9 mm |
|
Definition
|
|
Term
138. Convert 45 pounds force to SI Units.
A. 20.2 N
B. 1012 N
C. 200.16 N
D. 200.2 N
E. 2002 N |
|
Definition
|
|
Term
139. Whether required or not, who should keep adequate records?
A. fabricator
B. inspector
C. weld engineer
D. weld supervisor
E. manufacturer |
|
Definition
|
|
Term
140. To be able to recall past decisions on reports, an inspector should
A. have the ability to spell well
B. have the ability to write clearly
C. have a good memory
D. have the ability to make good reports
E. have an appropriate filing system |
|
Definition
|
|
Term
141. Results obtained by each welder shall be recorded on a
A. Welder Specification Record
B. Welding Procedure Specifications
C. Record of Procedure Specifications
D. Performance Record Form
E. Welder Qualification Record |
|
Definition
| C. Record of Procedure Specifications |
|
|
Term
142. An inspector must be able to
A. spell correctly
B. write correctly
C. write clearly and concisely
D. spell clearly and concisely
E. A and B |
|
Definition
| C. write clearly and concisely |
|
|
Term
143. Records should be prepared with as much as possible.
A. information
B. detail
C. data
D. knowledge
E. all of the above |
|
Definition
|
|
Term
144. Diffusion:
A. is improper fusion of weld material to base metal
B. burning the oxygen out of the weld melt
C. small hydrogen atoms escaping into the atmosphere
D. softening of steel
E. the point at which steel melts |
|
Definition
| C. small hydrogen atoms escaping into the atmosphere |
|
|
Term
145. Ductility is:
A. the property of a metal to resist bending
B. the property of a metal to bend without breaking
C. the property of a metal to resist indentation
D. the property of a metal to return to it's original shape
E. the property of a metal to transfer heat |
|
Definition
| B. the property of a metal to bend without breaking |
|
|
Term
146. Proof test is:
A. a destructive test
B. a non-destructive test
C. a service test
D. a container test
E. a mechanical test |
|
Definition
|
|
Term
153. Which of the following testing methods is not recommended for the testing of
reinforcing steel?
A. ultrasonic
B. macroectch
C. radiographic
D. full section tension
E. any of these tests |
|
Definition
|
|
Term
154. Which process of welding is not allowed for the welding of galvanized
reinforcing steel?
A. thermit welding
B. gas metal arc welding
C. shielded metal arc welding
D. flux cored arc welding
E. submerged arc welding |
|
Definition
|
|
Term
155. Which electrode requires the most heat or amps?
A. E6010
B. E6011
C. E6013
D. E7018
E. E7024 |
|
Definition
|
|
Term
156. If two round bars are to be welded with a direct lap splice, the weld to be
used is a:
A. single "V" groove weld
B. fillet weld
C. flare bevel groove weld
D. flare "V" groove weld
E. A or D |
|
Definition
|
|
Term
157. The 70S-x electrode is used with which of the following processes?
A. SMAW
B. GMAW
C. FCAW
D. SAW
E. GTAW |
|
Definition
|
|
Term
158. The 70T-X electrode is used with which of the following processes?
A. SMAW
B. GMAW
C. FCAW
D. SAW
E. GTAW |
|
Definition
|
|
Term
159. Which welding processes would a E8018-C2 electrode be used with?
A. SMAW
B. GMAW
C. FCAW
D. SAW
E. GTAW |
|
Definition
|
|
Term
160. The largest crater permitted at the end of a weld is:
A. 1/16 in.
B. 1/8 in.
C. 3/16 in.
D. 1/4 in.
e. no crater permitted |
|
Definition
|
|
Term
161. The required root opening for a square edge butt weld is:
A. 1/8 in.
B. IA in.
C. 1/2 in.
D. % the thickness of thinner plate jointed
E. 1/2 the thickness of thinner plate jointed |
|
Definition
| E. 1/2 the thickness of thinner plate jointed |
|
|
Term
162. When a lap joint is to be fillet welded, the allowable separation of faying
surfaces shall not exceed:
A. 1/16 in.
B. 3/32 in.
C. 1/8 in.
D. 5/32 in.
E. 3/16 in |
|
Definition
|
|
Term
163. "Peening" is performed on a welded joint to relieve stresses by:
A. delaying the rate of cooling
B. stretching the weld metal
C. shrinking the heat affected zone
D. refining the grain structure
E. none of these |
|
Definition
| B. stretching the weld metal |
|
|
Term
164. The amount of angular distortion that will occur in a welded double "U"
groove will______ be a single "V" groove.
A. more than
B. less than
C. equal to
D. double that of
E. 1/2 of |
|
Definition
|
|
Term
165. Angular distortion is more prevalent on a________ welded joint.
A. U groove
B. single bevel
C. V groove
D. double V groove
E. double bevel |
|
Definition
|
|
Term
166. A crack along the edge of a fillet weld is most commonly referred to as a:
A. transverse crack
B. undercut
C. longitudinal crack
D. toe crack
E. overlap |
|
Definition
|
|
Term
167. Arc strikes are, or may be:
A. unintentional
B. produced beneath an improperly secured ground connection
C. produced by magnetic prods
D. found outside the intended weld area
E. all of the above |
|
Definition
|
|
Term
168. Piping porosity
A. is a type of defect found in pipe weld joints
B. occurs in clusters
C. is usually caused by contamination
D. all of the above
E. B and C |
|
Definition
| C. is usually caused by contamination |
|
|
Term
169. Which of the following defects does not occur when a weld is made by the
GTAW process?
A. porosity
B. slag inclusions
C. cracks
D. incomplete fusion
E. overlap |
|
Definition
|
|
Term
170. Slag inclusions are:
A. not found in GTAW welds
B. generally linear
C. never cause by atmospheric contamination of the weld metal
D. both A and B
E. both B and C |
|
Definition
|
|
Term
171. Lamellar tearing:
A. is usually due to defective base metal
B. occurs when massive welds are made in weldments under restrained
conditions
C. is usually subsurface adjacent to the HAZ
D. A and B
E. B and C |
|
Definition
|
|
Term
172. Which of the following welding processes is most susceptible to metallic
inclusions?
A. SAW
B. OAW
C. GTAW
D. FCAW
E. CMAW |
|
Definition
|
|
Term
27. Stress risers in a weld are caused by:
A. Low impact strength of the weld metal
B. Low yield strength of the heat affected zone
C. Undercuts, incomplete penetration
D. A smooth butt joint
E. All of the above |
|
Definition
| C. Undercuts, incomplete penetration |
|
|
Term
28. When using magnetic particle inspection, the nearer a discontinuity is to the surface:
A. the more diffuse becomes the powder pattern
B. the less serious it is as a source of fatigue failure
C. the more distinct becomes the powder pattern
D. the less sharp becomes the flux leakage field
E. None of the above |
|
Definition
| C. the more distinct becomes the powder pattern |
|
|
Term
29. Ultrasonic waves cannot be coupled to the test object effectively
A. through a film of oil
B. through a film of air
C. through a layer of water
D. through a layer of grease
E. All of the above |
|
Definition
|
|
Term
30. Inclusions in a weld appear on a radiograph as
A. a dark spot
B. a light spot
C. a generalized gray area of varying contrast
D. either a dark or light spot or area depending on the relative
absorption of the part material and the inclusion material.
E. None of the above |
|
Definition
D. either a dark or light spot or area depending on the relative
absorption of the part material and the inclusion material. |
|
|
Term
31. When oxy-fuel cutting is used, the inspector is most concerned for which of the following?
A. travel speed to fast
B. clean cutting tip
C. kerf to side
D. surface roughness of cut
E. None of these |
|
Definition
| D. surface roughness of cut |
|
|
Term
32. The quality of a stud weld is best determined by
A. seeing if it is square
B. checking for even fillet all around
C. hitting it to see if it will break or bend
D. radiographic inspection
E. None of these |
|
Definition
| D. radiographic inspection |
|
|
Term
33. A weld symbol referring to the arrow side of a joint appears
A. above the reference line
B. below the reference line
C. at the end of the reference line
D. on the arrow
E. None of the above |
|
Definition
| B. below the reference line |
|
|
Term
34. Toughness may be defined briefly as the ability of a metal to
A. be hardened by heat treatment
B. be easily deformed
C. absorb mechanical energy
D. absorb heat energy
E. None of the above |
|
Definition
| C. absorb mechanical energy |
|
|
Term
35. Steel has the best welding characteristics if the carbon content is
A. 0.5 to 20 points
B. 20 to 35 points
C. 35 to 50 points
D. 50 to 120 points
E. 120 to 150 points |
|
Definition
|
|
Term
36. The region or area of a weld that has been heated to a sufficiently high
temperature to cause a change in microstructure is the:
A. tempered zone
B. heat-affected zone
C. unheated area
D. pearlite area
E. martensitic area |
|
Definition
|
|
Term
37. Cracks, which result from insufficient feeding of the terminal end of weld bead, are usually
referred to as:
A. longitudinal
B. toe
C. transverse
D. crater
E. star |
|
Definition
|
|
Term
38. A weld symbol referring to the other side of a joint appears
A. above the reference line
b. below the reference line
C. at the end of the reference line
D. on the arrow
E. None of the above |
|
Definition
| A. above the reference line |
|
|
Term
40. The minimum specified tensile strength of a weld deposited with E6010 electrodes is over:
A. 50,000 psi
B. 60,000 psi
C. 70,000 psi
D. 80,000 psi |
|
Definition
|
|
Term
41. The term 'back hand welding" in oxy-acetylene welding refers to:
A. the position of the hand with relation to the torch
B. the position of the rod with relation to the work
C. the position of the torch with relation to the direction of the work
D. the position of the welder with relation to the work
E. None of the above |
|
Definition
| C. the position of the torch with relation to the direction of the work |
|
|
Term
42. Which of the following examinations or tests is/ are considered a nondestructive test?
A. Magnetic Particle Test
B. Hydrostatic Test
C. Tensile Test
D. Bend Test
E. Nick Break Test |
|
Definition
| A. Magnetic Particle Test |
|
|
Term
43. In a welding procedure qualification test a reduced section tensile test specimen measured
1/4 in. thick and 1 in. wide before testing, and failed at a load of 16,250 lbs. What was the
tensile strength in lbs. per square inch of the specimen?
A. 73,125
B. 65,000
C. 56,000
D. 6,500
E. None of the above |
|
Definition
|
|
Term
44. What factors are valid considerations of the designer when he specifies the type of testing
required and the acceptable limits?
A. the welder
B. joint design and welding process
C. the inspector
D. all of the above
E. only A & C |
|
Definition
|
|
Term
45. Acetylene pressure for oxy-acetylene welding will range between the following pressures
(check one)
A. 0-15 lbs. psi
B. 15-30 lbs. psi
C. 30-100 lbs. psi
D. 2000-2200 lbs. psi
E. None of the above |
|
Definition
|
|
Term
46. The oxy-acetylene torch operates at the following temperature (neutral flame)
A. 7200 degrees F.
B. 4100 degrees F.
C. 5600 degrees F.
D. 3720 degrees F.
E. None of the above |
|
Definition
|
|
Term
47. In oxy-acetylene welding, what is the result if you use an oxidizing flame?
A. more ductility
B. less ductility
C. more tensile strength
D. less tensile strength
E. B and D above |
|
Definition
|
|
Term
48. When inspecting a fillet weld on a bridge, what reference should an inspector use to judge
whether it is the proper size?
A. the experience of the inspector resulting from similar welds on buildings, pressure
vessels, etc.
B. dimensions specified on the construction drawings
C. published ASME codes
D. A and B
E. All of the above |
|
Definition
| B. dimensions specified on the construction drawings |
|
|
Term
49. What procedural deviations can prevent liquid penetrants from revealing surface
discontinuities?
A. failure to clean and open discontinuities to the surface
B. failure to allow sufficient time for penetration of development
C. inspector's lack of knowledge
D. All of the above
E. A and B |
|
Definition
|
|
Term
50. What is a sampling in weld testing?
A. simulating an actual stress
B. selecting some of the welds for testing
C. determining the type of stress the weidment must support
D. A and C
E. None of the above |
|
Definition
| B. selecting some of the welds for testing |
|
|
Term
51. If a welder qualification test failed, what must the welder do to re-qualify?
A. pass two retests to wipe out the original failure
B. take additional training and then pass a retest
C. go to a different test facility
D. either A or B
E. All of the above |
|
Definition
|
|
Term
52. The melting point of 1020 steel is:
A. 2200 degrees F.
B. 2800 degrees F.
C. 1640 degrees F.
D. 1920 degrees F.
E. 3300 degrees F. |
|
Definition
|
|
Term
53. What is alloying material in 2% th. Tungsten electrodes?
A. titanium
B. thorium
C. tanalum
D. tungsten
E. None of the above |
|
Definition
|
|
Term
54. Welding filler metals are purchased by using the following designation
A. ASM
B. ASTM
C. ASNT
D. ANSI
E. AWS |
|
Definition
|
|
Term
55. Welding filler metals are described in ASME Sec. II, Part C, Code Book.
Which of the following letters are used as a prefix classification?
A. UR
B. SFA
C. SFW
D. UW
E. SMAW |
|
Definition
|
|
Term
56. What is a welding contractor supposed to do before he presents completed welded joints to
the inspector for approval?
A. clean the welds so the inspector can visually examine them
B. nothing; that is the inspector's job
C. inspect them himself
D. be sure that his welders are qualified
E. None of the above |
|
Definition
| A. clean the welds so the inspector can visually examine them |
|
|
Term
57. The size of a fillet weld is determined by:
A. length of the longest leg
B. distance from the root to the face
C. the distance across the face
D. the length of the shortest leg
E. None of the above |
|
Definition
| D. the length of the shortest leg |
|
|
Term
58. The effective throat thickness of a fillet weld is computed by measuring the shortest
distance from:
A. the distance across the face
B. the distance along the leg
C. the shortest distance from the root to the face
D. the distance from heel to the toe
E. None of the above |
|
Definition
| C. the shortest distance from the root to the face |
|
|
Term
59. All surfaces to be welded should always be free of
A. grease
B. rust
C. scale
D. paint
E. All of the above |
|
Definition
|
|
Term
60. The standard of "welding symbols" which clearly detail type, size, location and amount of
welds by notes, or symbols are shown in which of the following?
A. American Institute of Steel Construction
B. American Institute of Steel & Iron
C. American Welding Society
D. American Society of Metals
E. American Society of Mechanical Engineers |
|
Definition
| C. American Welding Society |
|
|
Term
61. The use of backing material that is the same as the base metal for groove welds in plates
over 3/4 in. thick shall
A. require the initial root to be removed before welding the second side
B. have the weld metal thoroughly fused with the backing
C. be used as an extension bar or run-off tabs
D. B and C
E. All of the above |
|
Definition
|
|
Term
62. Porosity uniformly distributed throughout a single pass weld or throughout several passes
of a multiple pass weld is called
A scattered porosity
B. cluster porosity
C. linear porosity
D. piping porosity
E. All of the above |
|
Definition
|
|
Term
63. Non-metallic solid material entrapped in weld metal or between weld metal and base metal
is called
A. tungsten inclusion
B. clustered porosity
C. slag inclusion
D. filler material
E. All of the above |
|
Definition
|
|
Term
64. Tungsten particles trapped in weld are peculiar to what type of weld process?
A. SMAW
B. FCAW
C. GTAW
D. TW
E. None of the above |
|
Definition
|
|
Term
65. A cause of incomplete fusion might be:
A. improper welding technique
B. improper preparation of surfaces to be welded
C. improper joint design
D. All of the above
E. None of the above |
|
Definition
|
|
Term
66. A protrusion of weld metal beyond the toe, face, or root of the weld without fusion is called
A. undercut
B. slag
C. overlap
D. inadequate joint penetration
E. inadequate fusion |
|
Definition
|
|
Term
67. Base metal discontinuities found in the central thickness area of wrought products and are
generally flat and elongated are called
A. overlaps
B. laminations
C. seams
D. incomplete fusion
E. delaminations |
|
Definition
|
|
Term
68. A depression on the face of a weld or root surface extending below the surface of the
adjacent base metal is called
A. lamination
B. overlap
C. fissures
D. underfill
E. undercut |
|
Definition
|
|
Term
69. Terrace like separations in base metal typically caused by thermally induced shrinkage
stresses resulting from welding are called
A. lamellar tears
B. incomplete fusion
C. toe cracks
D. HAZ crack
E. hot cracks |
|
Definition
|
|
Term
70. Cold cracks:
A. occur after solidification is complete
B. is commonly associated with hydrogen embrittlement
C. both A and B
D. none of the above |
|
Definition
|
|
Term
71. Hot cracks:
A. develop at elevated temperatures
B. form on solidification of the metal at temperatures near the melting point.
C. above 1000 degrees F.
D. A and B
E. none of the above |
|
Definition
|
|
Term
72. An NDE method that involves the establishment of a magnetic field within the material to be
tested and discontinuities are revealed by applying magnetic particles to the surface is called:
A. visual inspection
B. eddy current inspection
C. ultra-sonic inspection
D. liquid penetrant inspection
E. none of the above |
|
Definition
|
|
Term
73. An NDE method of using radiation that will penetrate through the part and produce an
image on a film is called:
A. ultra-sonic inspection
B. magnetic particle inspection
C. eddy current inspection
D. radiographic inspection
E. none of the above |
|
Definition
| D. radiographic inspection |
|
|
Term
74. Which NDE method uses the transmission of mechanical energy in wave form at frequencies
above the audible range?
A. magnetic particle inspection
B. ultra-sonic inspection
C. eddy current inspection
D. radiographic inspection
E. none of the above |
|
Definition
| B. ultra-sonic inspection |
|
|
Term
75. If Non-Destructive Tests are required, an inspector qualified to what document should
perform the inspection?
A. AWS-D1 . 1 Rev. 2-77
B. SNT-TC-1A
C. QC-I-79
D. API-1104
E. AWS - CWI |
|
Definition
|
|
Term
76. Why should a root weld bend not be peened?
A. for lack of strength, weld might yield and spread joint apart
B. heat treatment from later beads will overburden the peened metal
C. a root pass has unbalanced shrinkage stresses
D. all of the above
E. none of the above |
|
Definition
| A. for lack of strength, weld might yield and spread joint apart |
|
|
Term
16. The E6011 electrode will give more penetration than
A. E6012
B. E7024
C. E6013
D. E7028
E. All of the above |
|
Definition
|
|
Term
17. Which type of current should be used for E7016 electrode?
A. AC or DC reverse
B. AC or DC straight polarity
C. DC straight
D. AC or DC either polarity
E. None of the above |
|
Definition
|
|
Term
18. Groove welds made without back-up strip, with complete penetration must have
A. Melt through weld for root pass
B. Root of first pass removed to sound metal before welding second side
C. Use new electrode at start of weld
D. A or B above
E. None of the above |
|
Definition
| B. Root of first pass removed to sound metal before welding second side |
|
|
Term
19. The size of fillet welds are measured
A. Across the face
B. Along the shortest leg
C. Along the longest leg
D. Toe to toe
E. None of the above |
|
Definition
| B. Along the shortest leg |
|
|
Term
20. Which of the following electrodes are suitable for welding reinforcing steel?
A. E6010
B. E7018
C. E7024
D. E6011
E. E7013 |
|
Definition
|
|
Term
21. Which of the following electrodes is best suited for welding high carbon steel?
A. E7016
B. E6010
C. E6012
D. E6011
E. None of the above |
|
Definition
|
|
Term
22. Producing a good weld depends on:
A. Qualified procedures and qualified welders.
B. Skill in performing the weld.
C. Pride of workmanship.
D. All of the above.
E. None of the above. |
|
Definition
|
|
Term
23. The "flux coated" electrode is used in which of the processes?
A. heliarc
B. innershield
C. metal inert gas
D. shielded metal arc
E. submerged arc |
|
Definition
|
|
Term
24. Which of the following is the deepest penetrating electrode?
A. E6011
B. E6014
C. E6010
D. E7016
E. E7024 |
|
Definition
|
|
Term
25. Extension bars are used to extend the weld past the parts joined in which type of weld?
A. fillet
B. slot
C. groove
D. plug
E. edge |
|
Definition
|
|
Term
26. A Y4 in. fillet weld has a nominal
A. Throat dimension of Y4 in.
B. Leg dimension of Y4 in.
C. Area of Y4 sq. in.
D. Volume of Y4 cu. in.
E. None of the above |
|
Definition
| B. Leg dimension of 1/4 in. |
|
|
Term
11. Which of the following electrodes should you oscillate?
A. E6014
B. E7024
C. E6013
D. E6010
E. E7016 |
|
Definition
|
|
Term
12. Which of the following electrodes have low hydrogen coating?
A. E7024
B. E6010
C. E7016
D. E6011
E. E6013 |
|
Definition
|
|
Term
13. If the tensile strength of a single pass weld made with an E6010 electrode is 60,000 psi,
what would the tensile strength of a six pass weld be?
A. 60,000 psi
B. 240,000 psi
C. 360,000 psi
D. 180,000 psi
E. 120,000 |
|
Definition
|
|
Term
14. Which of the following electrodes have iron powder and low hydrogen coating?
A. E7024
B. E7016
C. E7015
D. E7018
E. None of the above |
|
Definition
|
|
Term
15. Back-up straps or bars should be removed from all welds
A. Always
B. Never
C. Optional
D. A or B
E. A or C |
|
Definition
|
|
Term
5. In an E7018 electrode the "E" designates
A. Engineered
B. Electrode Arc Welding
C. Electricity
D. Electrode
E. Electronic |
|
Definition
|
|
Term
6. Which electrode is best suited for welding on painted surfaces?
A. E6010
B. E6011
C. E6016
D. E6024 |
|
Definition
|
|
Term
10. The third digit of an E6010 electrode indicates:
A. The weld may be made in the vertical position
B. It may be made in the overhead position
C. It may be made in the horizontal position
D. It may be made in all positions
E. None of the above |
|
Definition
| D. It may be made in all positions |
|
|
