Fundamentals Flashcards
The melting point of carbon steel is approximately.
A) 2250F
B) 2375F
C) 2780*F
2780•F
Which of the following metals cannot be efficiently cut with OFC
Stainless steel and cast-iron
Decibel is a term associated with which in NDE method
UT ultrasonic testing
Which GMAW (gas metal arc welding middle transfer mode results in the least amount of penetration
Short-circuiting
Which of the following gases is karma used as a shielding gas for GTAW.
1) argon
2. ) carbon dioxide
3. ) oxygen
Argon
Electrical conductivity of a part is the primary requirement for which in NDE
method.
ET
The material property the best describes its ability to withstand a static load is:
A) Hardness
B) toughness
C) tensile strength
C) tensile strength
If no information appears to the left of a groove weld symbol this means:
A) the weld is to be continuous for the entire length of the joint
B) bevel is not required
C)The world is to be completed joint penetration
C) The weld is to be complete joint
penetration
Which of the following is not easily detected using RT that is perpendicular to the Welder center line:
A) throat crack
B) porosity
C) Side wall incomplete fusion at a bevel angle of 35°
C) Side wall incomplete fusion at a bevel angle of 35°
The material property expressed in terms of and endurance limit is
A) fatigue strength
B) toughness
C) tensile strength
A) fatigue strength
Fracture toughness results in results will often be expressed in terms of: A) Breaking energy B) tensile strength C) percent elongation D) endurance limit
A) breaking energy
The first two digits in a SMAW
7018 are designated:
A) 70 thousand lb tensile strength;
The first two digits in a SMAW
7018 are designated:
A) 70 thousand lb tensile strength;
7018
The third number designation is position:
7018
The third number is position:
7018
The last number is operating characteristics:
7018
The last number is operating characteristics:
The property of material that best relates to its resistance to impact loading is;
A) endurance limit
B) fatigue strength
C) fracture toughness
C) fracture toughness
Of the following discontinuities which is most likely to be a flaw caused during manufacture of steel. A) porosity B) lamination C) under cut D) crack
B) lamination
Which of the following processes is preformed primarily in the flat and horizontal position;
A) SAW
B) OAW
C) GTAW
A) SAW
Submerged arc welding
A groove well symbol with no information appears to the right means
A) The weld is to be completed joint penetration
B) no weld is required on that side
C) The weld is to be continuous for the entire joint length
C) The weld is to be continuous for the entire joint length
The welding process that requires a tubular electrode is A) SMAW B) GTAW C) FCAW D) SAW
C) FCAW
Flux Core Arc Welding
The property relating to a metals resistance to indentation Is; A) tensile strength B) ductility C) hardness
C) hardness
LT is the abbreviation for
A) liquid penetrant testing
B) liquid test inspection
C) leak testing
C) Leak testing
Filler metal specifications are found in which of the following documents;
A) AWS A3.0
B) AWS A5.1 through A5.3X
C) AWS A2.4
B) AWS A5.1 through A5.3X
Information that appears to the left of the weld symbol refers to;
A) the weld length
B) the weld size
C) the number of passes
B) The weld size
Which process uses a granular flux that can be manually added to the Weld pool;
A) SMAW
B) GTAW
C) ESW
C) ESW electro slag welding
Of those micro structural constituents Listed below the hardest is; A) martensite B) ferrite C) bainite
A) Martensite
Hey material ductility is commonly expressed in terms of;
A) with and thickness
B) percentage elongation and reduction of area
C) tensile strength and yield strength
B) percent elongation and reduction of area…
What MT technique could be used for the discovery of longitudinal flaws on a pipe using a stationary MT machine or bench unit; A) coil shot B) circular magnetization C) longitudinal magnetization D) parallel magnetism
B) circular magnetization