ET ASNT LEVEL I EXAM NEWEST 2025 ACTUAL

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ET ASNT LEVEL I EXAM NEWEST 2025 ACTUAL

EXAM COMPLETE 100 QUESTIONS AND

CORRECT DETAILED ANSWERS (VERIFIED

ANSWERS) |ALREADY GRADED A+

• A test specimen used as a basis for calibrating test cquipment

or as a comparison when evaluating test results is referred to as

a:

• null-balancer
• phase shifter .
• reference standard
• high pass filter - CORRECT ANSWER -.C. reference standard

In an eddy current testing situation, which of the following can provide sources of noise?

• instrumentation electronic circuits
• nonspecific variations within the test object
• electrical interference
• all of the above - CORRECT ANSWER -.d. all of the above
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• The ratio of the response or amplitude from signals of interest

to the response or amplitude of indications that contain no useful

information for the test being conducted is referred to as:

• Poisson's ratio
• signal-to-noise ratio
• the conductivity-to-permeability ratio
• the reactance-to-resistance ratio - CORRECT ANSWER -b.

signal-to-noise ratio

4. IACS is a recognized abbreviation for:

• Induced Alternating Current System
• Inductively-Activated Comparison System
• Internal Applied Current System
• International Annealed Copper Standard - CORRECT

ANSWER-d. International Annealed Copper Standard

Which of the following is not a basic component of eddy current equipment?

• amplifier
• coil
• liquid couplant 2 / 4

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• detector - CORRECT ANSWER -c. liquid couplant

The process of comparing the reading or output of an instrument, device, or dial with a standard to determine the

instrument's accuracy, capacity, or graduations is referred to as:

• calibration
• differentiation
• integration
• phase shifting - CORRECT ANSWER -a. calibration

When'conducting an eddy current test using a differential comparison coil arrangement that compares an external reference standard with the test specimen, the system should be

nulled or balanced:

• with only the reference standard in one coil
• with the reference standard in one coil and an acceptable test

specimen in the other coil

• with the reference standard in one coil and an unacceptable

test specimen in the other coil

• with only the test specimen in one coil - CORRECT

ANSWER-b. with the reference standard in one coil and an acceptable test specimen in the other coil 3 / 4

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The impedance of an eddy current test coil will increase if the:

• test frequency increases
• inductive reactance of the coil decreases
• inductance of the coil decreases
• resistance of the coil decreases - CORRECT ANSWER -• a.

test frequency increases

Some of the products commonly tested using encircling coils

are:

• rods, tubes, and wire
• plate when volumetrically inspected
• sheets and metalized foil
• al of the above - CORRECT ANSWER -a. rods, tubes, and

wire

Which of the following would normally be considered the best fill factor when testing straight tubing with an encircling or feedthrough coil?

• 0.95 (95%)
• 1.75 (175%)
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