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ASNT Basic Level 3 Questions and Answers
(100% Correct Answers) Already Graded
A+
What are the minimum and maximum solder temperatures? [ANS:]
One for the answers was from 250-450°F which is less than 850°F
where brazing starts.
What temperature does brazing start? [ANS:] 850°F
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1 curie(Ci)=3.7x10^10 becquerel(Bq) [ANS:] Conversion of Curie to
Bq
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A UT inspection that uses two transducers on one side of the part-
This technique is known? [ANS:] Pitch/Catch
A UT angle beam inspection is most apt to miss what? [ANS:]
Laminations parallel to the surface. Watch out for one answer as it
has perpendicular to the surface and angle beam can see this
type of indication.
A UT inspection that utilizes a diagram made from the same size
flat bottom holes at different distances? This is known as? [ANS:] A
DAC curve. Whether it is brought to horizontal, or left as a curved
line, it is known as a reference line.
What would amperage used for prod spacing for material
thickness of one inch using a spacing of five inches? [ANS:] If
material is thicker that 3/4", the normal amperages are considered
to be 125 amperages for each inch of spacing. Therefore, the
answer would be 125 x 5= 625 amps. The answer was 500- 625
amps. Note: if material is thinner than 3/4", the amperage is 90-100
amps per inch, or 400-500 amps.
, 2
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What type of current is usually used for portable magnetic particle
probe? [ANS:] Half wave DC (Mean Amps). Some MT probes have
switch to allow either AC(RMS amps) or HWDC(Mean amps).
They're also probes that only uses AC.
What advantage of a lost wax casting over the other types of
casting processes?> [ANS:] Usually casting doesn't require
machining.
A die casting molds utilize the technique of ? [ANS:] Metal being
inserted under pressure
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A type of welding without a third metal is? [ANS:] E.B.
Weld(Electron Beam), Friction Stir welding
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Oldest, most basic form of welding? [ANS:] Heliarc
Which method uses an exact sample with the defect sizes? [ANS:]
Radiography-penetrameter
which type of discipline studies effects of discontinuity sizing?
[ANS:] Fracture Analysis
In RT, an intensity at 25" is 200 mR/Hr. What is the intensity at 150"
[ANS:] Inverse Square Law. 36 mR/hr
If in RT, I move to 24" to 12", how much greater is the intensity?
[ANS:] 4x as much
What happens if I increase magnification in a visual examination?
[ANS:] Lose the field of view
Which MT technique leaves the strongest residual in a long beam
that needs demagnetization? [ANS:] Circular magnetism doesn't
go into the environment and therefore the most difficult to
, 3
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demagnetize because it must first be converted to longitudinal
mag. Strongest residual field bearing into the environment, then
the answer would be longitudinal.
Part is to be inspected in a coil. Where is the maximum flux? [ANS:]
At the inside surface of the coil
How can you tell the difference between 3400 stainless steel vs
4400 stainless steel? [ANS:] Magnetization
Austenitic SS will not magnetize, this is the 3400 SS.
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Martin tic SS will somewhat magnetize, this is the 4400 SS.
Martin Tic and Nickle Alloys have what properties associated with
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them? [ANS:] Magnetizing properties
Austenitic SS are not magnetic .
Martin tic are paramagnetic and some can be magnetized.
Nickle is a ferro-magnetic material.
What is the best possible conductor? [ANS:] Silver(pure)
To SNT-TC-1A, if an employee leaves the employer, his/her
certification is? [ANS:] Terminated immediately
Steel cannot be welded to? [ANS:] Aluminum
Dissimilar material to steel. If welded together, anododic corrosion
is immediately established.
What is it called when one metal is coated by another? [ANS:]
Cladding
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ASNT Basic Level 3 Questions and Answers
(100% Correct Answers) Already Graded
A+
What are the minimum and maximum solder temperatures? [ANS:]
One for the answers was from 250-450°F which is less than 850°F
where brazing starts.
What temperature does brazing start? [ANS:] 850°F
© 2025 Assignment Expert
1 curie(Ci)=3.7x10^10 becquerel(Bq) [ANS:] Conversion of Curie to
Bq
Guru01 - Stuvia
A UT inspection that uses two transducers on one side of the part-
This technique is known? [ANS:] Pitch/Catch
A UT angle beam inspection is most apt to miss what? [ANS:]
Laminations parallel to the surface. Watch out for one answer as it
has perpendicular to the surface and angle beam can see this
type of indication.
A UT inspection that utilizes a diagram made from the same size
flat bottom holes at different distances? This is known as? [ANS:] A
DAC curve. Whether it is brought to horizontal, or left as a curved
line, it is known as a reference line.
What would amperage used for prod spacing for material
thickness of one inch using a spacing of five inches? [ANS:] If
material is thicker that 3/4", the normal amperages are considered
to be 125 amperages for each inch of spacing. Therefore, the
answer would be 125 x 5= 625 amps. The answer was 500- 625
amps. Note: if material is thinner than 3/4", the amperage is 90-100
amps per inch, or 400-500 amps.
, 2
For Expert help and assignment solutions, +254707240657
What type of current is usually used for portable magnetic particle
probe? [ANS:] Half wave DC (Mean Amps). Some MT probes have
switch to allow either AC(RMS amps) or HWDC(Mean amps).
They're also probes that only uses AC.
What advantage of a lost wax casting over the other types of
casting processes?> [ANS:] Usually casting doesn't require
machining.
A die casting molds utilize the technique of ? [ANS:] Metal being
inserted under pressure
© 2025 Assignment Expert
A type of welding without a third metal is? [ANS:] E.B.
Weld(Electron Beam), Friction Stir welding
Guru01 - Stuvia
Oldest, most basic form of welding? [ANS:] Heliarc
Which method uses an exact sample with the defect sizes? [ANS:]
Radiography-penetrameter
which type of discipline studies effects of discontinuity sizing?
[ANS:] Fracture Analysis
In RT, an intensity at 25" is 200 mR/Hr. What is the intensity at 150"
[ANS:] Inverse Square Law. 36 mR/hr
If in RT, I move to 24" to 12", how much greater is the intensity?
[ANS:] 4x as much
What happens if I increase magnification in a visual examination?
[ANS:] Lose the field of view
Which MT technique leaves the strongest residual in a long beam
that needs demagnetization? [ANS:] Circular magnetism doesn't
go into the environment and therefore the most difficult to
, 3
For Expert help and assignment solutions, +254707240657
demagnetize because it must first be converted to longitudinal
mag. Strongest residual field bearing into the environment, then
the answer would be longitudinal.
Part is to be inspected in a coil. Where is the maximum flux? [ANS:]
At the inside surface of the coil
How can you tell the difference between 3400 stainless steel vs
4400 stainless steel? [ANS:] Magnetization
Austenitic SS will not magnetize, this is the 3400 SS.
© 2025 Assignment Expert
Martin tic SS will somewhat magnetize, this is the 4400 SS.
Martin Tic and Nickle Alloys have what properties associated with
Guru01 - Stuvia
them? [ANS:] Magnetizing properties
Austenitic SS are not magnetic .
Martin tic are paramagnetic and some can be magnetized.
Nickle is a ferro-magnetic material.
What is the best possible conductor? [ANS:] Silver(pure)
To SNT-TC-1A, if an employee leaves the employer, his/her
certification is? [ANS:] Terminated immediately
Steel cannot be welded to? [ANS:] Aluminum
Dissimilar material to steel. If welded together, anododic corrosion
is immediately established.
What is it called when one metal is coated by another? [ANS:]
Cladding
