ASNT Radiographic Testing - Level I & II Practice Questions — 10 Free (2026)

Answer them, then check the reasoning and the clause each one comes from. No account, no card, nothing to dismiss.

10 CLOSED BOOK2 STANDARDS

ASNT RT I-II at a glance

Question bank: 600 questions
Mock papers: 5 full-length
This sample: 10 closed book

The ten questions below draw on ASTM E94 and ASTM E1032.

Common questions

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10 QUESTIONS

CLOSED BOOKASNT RT I-II1 / 10

On what side of the part is an IQI normally placed?

Worked answers

All ten ASNT Radiographic Testing - Level I & II questions with the correct option, why it is correct and the paragraph it comes from. Attempt them above first — the reasoning is worth more than the key.

Show the ten answers and their references

Q1 · ASNT RT I-II · Closed book
On what side of the part is an IQI normally placed?
- A. Beside the film outside the beam
- B. The film side
- C. Whichever of the two sides is easier to reach
- D. Behind the cassette
- E. The source side wherever it is practical ✓
The source side is the harder position to satisfy, so proving quality there proves it for the whole thickness, and a film side placement is marked as such. ASME V Article 2 T-277.1
Q2 · ASNT RT I-II · Closed book
What is the approximate half life of iridium 192?
- A. 24 days
- B. 74 days ✓
- C. 128 days
- D. 1.9 years
- E. 5.3 years
Output falls by half over roughly two and a half months, which is why exposure charts have to be corrected against the decay curve so often. ASNT Study Guide RT Level II, isotope properties
Q3 · ASTM E94 · Closed book
A source-to-film distance is doubled. What happens to intensity at the film?
- A. It halves
- B. It falls to one eighth
- C. It stays the same
- D. It falls to a quarter ✓
- E. It doubles
Intensity falls with the square of distance, so twice the distance leaves a quarter of the intensity and the exposure has to grow accordingly. ASTM E94 inverse square law
Q4 · ASNT RT I-II · Closed book
How is geometric unsharpness reduced without changing the source?
- A. Use a faster film to shorten the exposure
- B. Raise the kilovoltage used for the shot
- C. Increase the source to object distance ✓
- D. Move the film further from the object
- E. Use thicker lead screens
Pulling the source back shrinks the penumbra, and pressing the film against the object does the same by cutting the object to film distance. ASME V Article 2 T-274.1
Q5 · ASNT RT I-II · Closed book
Which discontinuity type is introduced during service rather than manufacture?
- A. An ingot inclusion drawn into a stringer
- B. A rolling seam
- C. A cold shut in a cast section
- D. A fatigue crack from cyclic loading ✓
- E. A forging lap at the die line
Nothing about manufacture puts it there; repeated loading grows it from a stress raiser over time, which is why in-service inspection exists. ASNT Level III Study Guide Basic, service damage
Q6 · ASTM E1032 · Closed book
Why is an arc strike outside the joint a concern?
- A. It affects the weld appearance only
- B. It makes the weld harder to clean
- C. It reduces the density of the radiograph
- D. It leaves a hardened spot that can crack ✓
- E. It wastes electrode material unnecessarily
A momentary arc melts and quenches a small area against a cold mass of metal, and the brittle spot left behind is a ready starting point for cracking. ASTM E1032 weld discontinuities
Q7 · ASTM E94 · Closed book
How does the half-value layer relate to shielding design?
- A. It sets the distance the barrier must stand from the source
- B. Each such thickness halves the transmitted intensity ✓
- C. It has no bearing on shielding
- D. It fixes the exposure time behind the barrier
- E. It gives the thickness that stops all radiation
Adding layers reduces intensity by successive halves rather than in a straight line, which is why shielding thickness grows quickly for large reductions. ASTM E94 shielding
Q8 · ASNT RT I-II · Closed book
Which heat treatment fault produces cracking in a hardened component?
- A. Cooling slowly in still air
- B. Slow controlled heating to the austenitising temperature
- C. Holding at temperature for the specified time
- D. Tempering immediately after quenching
- E. Quenching too severely for the section and alloy ✓
The surface transforms and contracts while the interior is still changing, and where the resulting stress exceeds the strength the part cracks. ASNT Level III Study Guide Basic, heat treatment
Q9 · ASTM E1032 · Closed book
Which flaw type would an interpreter expect near the start or stop of a weld run?
- A. A tungsten inclusion in the parent metal
- B. Undercut at the toe
- C. A lamination carried from the plate
- D. Excess penetration along the whole seam
- E. A crater crack or porosity at the stop ✓
The pool freezes quickly where the arc breaks, so shrinkage and trapped gas concentrate at those points more than along the steady part of the run. ASTM E1032 weld radiography
Q10 · ASNT RT I-II · Closed book
Which measure is commonly used to detect backscatter reaching the film?
- A. A location marker
- B. A densitometer reading taken at the centre
- C. A step wedge comparison film beside the part
- D. A lead letter B attached behind the cassette ✓
- E. A wire IQI placed on the source side
If that letter shows as a lighter image on the darker background, radiation is reaching the film from behind and the shot has to be reconsidered. ASME V Article 2 T-223

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