ASNT NDT Level II study plan

Explain electromagnetic induction, eddy current generation, and the three primary field-coil coupling modes (absolute, differential, hybrid) without notes

Compute standard depth of penetration for at least five frequency/conductivity/permeability combinations and state the frequency trade-off in words

Sketch a blank impedance plane and label resistivity, permeability, lift-off, frequency, and thickness trajectories from memory

Derive the inspection frequency rules of thumb used for surface and subsurface flaw detection and justify each

Match at least ten eddy current probe configurations to the geometry and flaw type each is suited for

Distinguish eddy current sorting of alloy, hardness, and heat-treat condition from flaw detection using at least three worked scenarios

State the right-hand rule relationships among current direction, flux direction, and induced current for circular and longitudinal magnetization

Compare yoke, prod, coil, and central-conductor magnetization on field direction and part geometry limits

Calculate the current required for longitudinal magnetization of three given part diameters and state the applicable rule used

Evaluate at least eight field-indicator and particle-application scenarios and select wet versus dry, fluorescent versus visible, and continuous versus residual

Diagnose the causes of non-relevant indications such as leakage fields at section changes and thread roots

Sequence a full MT inspection from pre-cleaning through demagnetization and post-cleaning and justify each step's purpose

Order the six penetrant process steps for all four penetrant method families and identify where each can be varied without invalidating results

Select penetrant sensitivity level, remover type, and developer form for six given material and surface-finish combinations

Distinguish penetrant indications from false indications caused by machining marks, weld spatter, and inadequate rinsing

State the temperature limits, dwell times, and lighting requirements that govern penetrant inspection and explain why each exists

Relate penetrant system compatibility to the material under test, including the nickel and titanium contamination concern

Calculate radiographic density, geometric unsharpness, and source-to-film distance relationships for at least six numeric problems

Compare X-ray, gamma-ray, and isotope source selection on energy, penetrability, and exposure time trade-offs

Explain the inverse square law and half-value layer and apply both to a shielding or exposure-time calculation

Apply radiation safety controls including time, distance, shielding, dosimetry, and posted boundary requirements

Identify common film artifacts and their causes, distinguishing them from true discontinuities

Explain piezoelectric transduction, near field, beam spread, and acoustic impedance and state the practical consequence of each

Apply the six decibel, acoustic impedance, and mode-conversion relationships used in the Level II question pool to numeric problems

Distinguish contact, immersion, and angle-beam techniques by application and calibration requirement

Sequence an instrument calibration check using a reference block and identify what each calibration verifies

Classify discontinuity responses by echo amplitude, location, and shape signature

State the lighting, distance, angle, resolution, and access requirements for direct and remote visual inspection

Identify the ten most commonly tested visual discontinuities and describe the appearance of each

Re-drill the weakest scoring domain from weeks 1 through 6 using a targeted 30-question retest

Build a personal error log naming recurring mistakes and the correction for each

Complete three timed full-length practice examinations under exam-day conditions

Score every domain separately and rank them by percentage to identify remaining gaps

Re-study only the two lowest-scoring domains using the error log as the guide

Rehearse the method-selection decision process across all six methods for ten mixed scenarios