F1-F220 Flashcards
Which of the following metals cannot be efficiency cut with OFC? A) high carbon steel B) Low carbon steel C) stainless steel D) cast-iron E) C and D above
E) Stainless steel and Cast Iron
When requested buy the company Film or other imaging media shall be processed handled and stored so that the images are interpretable for how long after they are produced? A) completion of project B) until accepted by Inspector C) until accepted by company D) at least three years
D) at least three years…
The melting point of carbon steel is approximately:
A) 2250F
B) 2375F
C) 2780*F
C) 2780*F
Decibel is a term associated with which NDE method: A) UT B) RT C) MT D) PT E) ET
A) UT
Which GMAC metal transfer mode results in the least amount of penetration: A) Globular B) Short circuiting C) Spray D) Pulsed spray
B) Short circuiting
NDE Technicians are certified in accordance with:
A) AWS D1.1
B) API 1104
C) ASNT SNT-TC-A1
C) ASNT SNT-TC-1A
When a medal is alloyed how are the Atoms of the alloy incorporate into the original metal lattice structure:
A) By inclusion or exclusion
B) Substitutionally or interstitially
C) By dissolving
B) Substitutionally or interstitially
A wire IQI is used in which NDE method; A) UT B) ET C) RT D) MT E) PT
C) RT
In general which of the following is not commonly used as a semi automatic process A)GMAW B) FCAW C) SMAW D) SAW
C) SMAW
Crater cracks are most often the result of:
A) improper technique
B) improper filler metal
C) improper base metal
A) improper technique
The tail of a welding symbol should not be used for:
A) denoting welding process requirements
B) denoting welding procedure requirements
C) denoting groove angle
C) denoting groove angle
In GMAC the distance from the end of the contact tube to the arc is A) Arc length B) Electrode extension C) Stickout D) Stand off
B) Electrode extension
Of the following which is not a type of metal transferred in GMAW
A) spray
B) short circuiting
C) open circuiting
C) open circuiting
Ultraviolet light may be used with which NDE method:
A) VT and UT
B) PT and UT
C) MT and PT
C) MT and PT
The technique which does not aid in reducing residual stress is:
A) preening
B) thermal stress relief
C) external restraint
C) external restraint
Heat treatment conditions can be determined using which of the following
A) MT
B) PT
C) ET
C) ET
Which of the following elements are commonly used as alloying elements with tungsten to produce GTAW electrodes
A) cesium
B) thorium
C) chromium
B) thorium
The portion of the grove face within the joint root is called:
A) Weld interface
B) facing surface
C) root face
C) root face
Which are the factors listed below has the least amount of effect on the residual stress and distortion that results from welding:
A) heat input
B) welding position
C) coefficient of thermal expansion
B) welding position
Capillary action plays a role in which in NDE method: A) ET B) UT C) RT D) PT
D) PT
Arc blow cannot be caused by:
A) improper ground location
B) welding in corners
C) welding with AC
C) welding with AC
Which of the following shielding gases is used for GMAW spray transfer on steel:
A) carbon dioxide
B) argon
C) oxygen-2%,argon-98%
C) oxygen-2%,argon-98%
Which discontinuity below will provide the sharpest MT indication: A) surface porosity B) surface crack C) subsurface crack E) subsurface porosity
B) surface crack
In SMAW a increase in Arc length results in:
A) increased current-increased voltage
B) decreased current-increased voltage
C) increased heat-decreased voltage
B) decreased current-increased voltage
The ability to be cyclically loaded without failing is related to which of the following properties;
A) hardness
B) fatigue strength
D) fatigue strength
GMAW the type of metal transfer requiring a special power source is
A) spray
B) globular
C) pulsed arc
C) Pulsed arc
Which of the following Is truly a volumemetric test method:
A) RT
B) UT
B)UT
For plain Carbon steels how are are hardness and tensile strength related;
A) increase hardness decrease tensile strength
B) increase hardness increase tensile strength
C) decrease hardness increase tensile strength
B) increase hardness increase tensile strength
In GMAW The welding variable is controlled by the wire feed speed is; A) arc length B) voltage C) current D) travel speed
C) current
The welding variables used to calculate heat input are;
A) voltage and current
B) current and travel speed
C) voltage, current and travel speed
D) travel speed preheat temperature and voltage
C) voltage current and travel speed
As the temperature of the base metal is decreased A) impact strength decreases B) tensile strength increases C) ductility decreases D) hardness increases E) all of the above
E) all of the above
An E7018 SMAW electrode exhibits which of the following characteristics;
A) low hydrogen use on AC only iron power
B) low hydrogen use on AC and DCEP i
C) low hydrogen AC and DCEP iron power
C) low hydrogen AC and DCEP iron powder
Piezoelectricity is a material property used by NDT method.
A) UT
B) ET
A) UT
A thermal treatment that follows quenching and restores some of the metals ductility is referred to as;
A) stress relief
B) tempering
B) tempering
Which of the methods is most often used to eliminate the high residual stress created by welding;
A) prebending
B) quenching rapidly after welding
C) post weld heat treating
C) post weld heat treating
E7018
Name parts
E-Electrode
70-70,000psi
1- Position on electrode
8-Coating/Operating characteristics
GMAW
What does ER XXS – X stand for.
ER- Electrode rod
XX- PSi strength
S- Solid wire
X- Chemical composition
