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ASNT Level 3 Basic Materials & Processes Questions & Detailed Answers 2024 $15.49   Add to cart

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ASNT Level 3 Basic Materials & Processes Questions & Detailed Answers 2024

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ASNT Level 3 Basic Materials & Processes Questions & Detailed Answers 2024

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  • August 19, 2024
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ASNT Level 3 Basic Materials & Processes
Questions & Detailed Answers 2024

 Fracture is a type of material failure. Of the following which is another type
of material failure? - ANS Permanent deformation.

 Which of the following statements best differentiates between a defect and a
discontinuity? - ANS Discontinuities can propagate and become defects.

 Nondestructive testing is often differentiated from other measurements or
inspection techniques in that: - ANS NDT involves indirect tests related to
some other quality or characteristic of material.

 What are the functions of NDT? - ANS Identifying and sorting of material.
 Identifying of material properties.
 Ensuring absence of faults or defects that could cause a part to fail.

 An important basis for the success of fracture control design procedures is: -
ANS The need to ensure that unexpected flaws of some critical size are not
present when the component enters service.

 If properly used, NDT can assist in fracture control by: - ANS Providing an
accurate evaluation of the number and type of discontinuities that exist in a
material .

 A statement that a particular experiment produced a 0.9 probability of
detection with a 95% confidence level means that: - ANS There is a 5%
probability that the probability of detection is overstated.


, Most solid metals and plastics that have reasonable strength at room
temperature are called: - ANS Engineering materials.

 Material properties, as used in design, are most frequently determined by: -
ANS Materials testing.

 Even at the early stages of product planning, NDT should be considered
because: - ANS The design of the part should permit easy access to critical
areas for later inspection.

 which of the following material properties are of most concern if corrosion
resistance is essential? - ANS Chemical properties.

 Which of the following is true relative to the comparison of the properties of
aluminum-based alloys and iron-based alloys? - ANS Iron can exist in several
different crystalline structures and its properties can be controlled by heat
treatment.

 Tensile test are conducted on specimens from a newly developed alloy in
order to determine the ultimate tensile strength of the material. Such tests
are referred to as: - ANS Destructive tests.

 A bar that is 2 in. long, 2 in. wide and 1 in. thick is subjected to a tensile load
acting along the lenght of the bar of 36000 lbs. What is the tensle stress
within the bar? - ANS 18000 psi.

 What is Point B on the Stress-Strain diagram where it first starts to curve? -
ANS Elastic limit.

 Stress-Strain diagram, which of the following ranges indicates the affect of
work hardening, to its maximum, caused by plastic flow of the material
during a tensile load? - ANS Deformation rate to the ultimate strength

, 
 On the Stress-Strain diagram, the points represented by E and F would be
closer together if the material being tested were: - ANS Less ductile.

 The modules of elasticity, or Young's modules, is related to the material's
relative: - ANS Stiffness and yield strength.

 Which of the following materials is typically considered when the application
only requires high compressive strength? - ANS Cast iron.

 A fatigue failure can often be prevented by using NDT to: - ANS Detect
surface discontinuities that could be stress risers.

 Which of the following tests uses a pendulum to break a specimen that is
notched and supported on both ends, with the results of measuring energy
absorption? - ANS Charpy test.

 What is a S-N curve? - ANS An endurance limit curve diagram.

 Direct hardness test provide a measure of a material's ability to resist: - ANS
Surface and near-surface penetration.

 Under ordinary usage, metals exist as: - ANS Crystalline solids.

 The term body-centered cubic BCC, face-centered cubic FCC and hexagonal
close-packed HCP all refer to the: - ANS Lattice structures that make up unit
cells in a solid metallic structure.

 The process of returning ductility to cold-worked low-carbon steel is called: -
ANS Recrystallization.

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