Radiographic Testing Level 2 (RT-2) General Practice Exam

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• What is the primary challenge associated with using fluorescent screens in radiography?
• What is the approximate half-life of Cs-137?
• What does a higher radiographic contrast indicate about the quality of an image?
• Which technique can help reduce the amount of scattered radiation reaching the film?
• What is the likely result of poor contact between lead screens and film during radiographic exposure?
• What is the term for a depression at the edge of a weld where the base metal has melted?
• Radiographic contrast is primarily dependent on which factors?
• The most significant difference in two X-ray beams produced at different milliampere (mA) settings is what?
• 'Undercut' or 'burned out' edges on a test piece film image can be caused by what?
• What might indicate an absence of fusion in a weld on a radiograph?
• What is one primary goal of non-destructive testing (NDT)?
• What is a critical factor when evaluating the quality of radiographic images?
• What is the function of a collimator in radiographic testing?
• What would be considered a film artifact in radiographic testing?
• What is the primary purpose of film in radiographic testing?
• What is the method to identify mottling due to X-ray diffraction?
• How does film speed affect radiographic exposure time?
• If the required X-ray exposure time at 225 kV and 5 mA is 3 minutes, what exposure time would be needed at 10 mA?
• A weld discontinuity characterized by unmelted joint surfaces at the root is known as?
• What is the term for a quantity expressed by the formula, 0.693/(absorption co-efficient)?
• The average energy of a T3-170 source is approximately how many keV?
• What effect does increasing kVp (kilovolt peak) have on radiographic images?
• What is the basic purpose of a penetrameter in radiography?
• How does exposure affect the quality of a radiographic image?
• What interaction occurs when a photon gives up a portion of its energy to an electron?
• Which term best describes the condition of a weld that poorly joins the metal surfaces together?
• In terms of positioning, what is the best practice for minimizing motion blur in radiographic imaging?
• What is generally the best strategy to minimize exposure to scattered radiation?
• What is interpretation in the context of radiographic testing?
• What impact does scatter radiation have on radiographic images?
• In radiographic testing, what equipment is primarily used to produce gamma rays?
• What is the gamma factor for Cs-137 at one meter?
• Which type of radiation is most commonly used in radiographic testing?
• In radiographic terminology, what does 'exposure' refer to?
• Which defects can be commonly detected through radiographic testing?
• What does the term 'contrast' mean in radiographic testing?
• Which interaction describes radiation produced by the rapid deceleration of an electron?
• A dark crescent-shaped mark in the center of a weld bead radiographic image would probably indicate what?
• Which of the following is considered an advantage of X-ray over gamma ray sources?
• What is the gamma factor of Ir-192 at one meter?
• What is the term for a photon-nuclear interaction in which energy is converted into sub-atomic particles?
• What is the purpose of 'radiographic technique charts'?
• What is a dark crescent shaped spot found in the base metal adjacent to a weld most likely to indicate?
• What factor could be detrimental to radiographic image sharpness?
• What effect does increasing the density of a film have on radiographic visibility?
• What is an advantage of using a larger grain film in radiographic testing?
• In radiographic testing, which condition would typically require further investigation?
• Why is knowing the source-to-image distance (SID) important?
• What happens to film density when you increase exposure time while keeping other factors constant?
• What is the main goal of a radiographic quality control program?
• What phenomenon causes the intensifying effects of fluorescent screens?
• What is the primary concern with excessive undercut in a weld?
• What is the consequence of using an outdated fluorescent screen during radiographic testing?
• Which of the following is a common artifact that can affect radiographic images?
• What is the gamma factor of Co-60 at one meter?
• Which property of the film has a significant impact on image sharpness?
• What is the relationship between radiographic intensity and source activity for gamma ray sources?
• What type of image quality does finer grain film provide?
• In radiography, what does an increase in kilovoltage (kV) primarily affect?
• What is the principle behind radiographic testing?
• What is the definition of 'half-value layer' in radiography?
• What is the role of regulatory agencies in relation to radiographic testing?
• To achieve the sharpest radiographic image, what should be true about the radiographic source?
• What would be considered a film artifact in radiography?
• Which environmental factor can affect film performance during radiographic testing?
• Which type of radiation interaction is used in radiation therapy?
• Which characteristic of the film is usually compromised by poor contact with lead screens?
• Which method is most effective for recognizing a film artifact?
• Which expression correctly determines radiographic density?
• What effect does improper source-to-image distance have on radiographic interpretation?
• Which factor does not directly affect radiographic image density?
• In radiographic testing, what does a sensitometric curve illustrate?
• What are artifacts in radiographic images?
• Which of the following is a method for improving image sharpness in radiography?
• Which term describes the ability to highlight material differences in a radiographic image?
• What is the main cause of static marks on radiographic film?
• How can digital images be improved after they are acquired?
• When examining a casting for critical service, which non-destructive testing technique is preferable if cracks may be present?
• Using a filtered X-ray beam primarily affects what aspect of radiography?
• What is the threshold energy below which pair production cannot occur?
• What does NDT (Non-Destructive Testing) involve?
• How can 'undercut' or 'burned out' edges of a test piece in a film image usually be reduced?
• In radiographic imaging, what does density refer to?
• What is the most significant difference between two X-ray beams produced at different kilovolt (kV) settings?
• What is the unit of measurement used for radiation intensity in radiographic testing?
• How does the grain size of film influence radiographic image quality?
• What is the expected result when using gamma ray or high voltage X-ray radiography without lead screens?
• The intensifying effect of lead screens in radiography is primarily caused by what?
• What does a straight, dark line in the center of a weld bead image on film suggest?
• What is an advantage of X-ray over gamma ray sources for radiography?
• What is the primary purpose of a riser during the manufacturing of a casting?
• Which of the following is a potential source of scattered radiation?
• What is the importance of using a lead apron during radiographic testing?
• What is the purpose of a screen in radiographic testing?
• What is meant by 'real-time radiography'?
• What procedures should be followed after radiation exposure in the workplace?
• What is a common inspection purpose for geometric unsharpness?
• What does the 'acceptable quality level' (AQL) represent in radiography?
• Why is documentation important in radiographic testing?
• In radiographic testing, what does resolution indicate?
• What distinguishes direct radiography from indirect radiography?
• What does the term 'film speed' indicate in radiographic testing?
• Approximately how long is the half-life of Co-60?
• What is one advantage of digital radiography over traditional film radiography?
• Which of the following would enhance radiographic image quality?
• Which welding discontinuity is considered most difficult to image radiographically?
• What is the role of a radiographic film processor?
• What impact does a large X-ray source have on image quality?
• What type of film speed is typically recommended for improved sharpness?
• Which factor is critical for obtaining an optimal radiographic image?
• What is a plot of film density versus log of relative exposure commonly called?
• What type of information do radiographic technique charts provide?
• What impact does a quality control program have on radiographic imaging?
• What type of photon-electron interaction occurs when a photon transfers all its energy to an electron?
• What is a typical application of liquid penetrant testing?
• What effect does increasing the film focal distance have on radiographic image quality?
• What would be detrimental to radiographic image sharpness?
• What type of image does the Compton effect help to produce on radiographic film?
• Which of the following influences the overall quality of a radiographic image?
• What is the standard measurement unit for gamma radiation dose rate in radiography?
• What is a primary benefit of using digital radiography over traditional film?
• Why might natural discontinuities not be detected on a radiograph?
• Before starting a radiographic examination, what must be confirmed?
• What is the primary consequence of using a larger focal spot size in radiographic imaging?
• Which factor is essential for ensuring the quality of a radiograph?
• For a desired radiographic density increase from 1.0 to 2.0, what exposure is required if initial exposure was 10 mA-min?
• How does radiation intensity change with increasing distance from the source?
• Why is exposure time significant in radiography?
• Which type of welding discontinuity is considered the least offensive?
• What does the term "high subject contrast" indicate in radiographic testing?
• What is the primary purpose of backing a radiographic cassette with a sheet of lead?
• How does digital radiography improve image manipulation?
• If the exposure time for a 2220 GBq (60 curie) Ir-192 source is 2 minutes, how long would it be for a 1110 GBq (30 curie) source?
• A radiographic indication characterized by two parallel dark lines in the film image likely indicates what?
• What effect does increasing the mA setting on an X-ray machine have?
• What aspect of film performance can be affected by temperature during radiographic testing?
• If a radiographic film transmits 1% of the light incident on it, what is its density?
• The gamma factor of Tm-170 is how much at one meter?
• To achieve reduced backscatter during radiographic testing, which could be a preferred method?
• Which type of welding discontinuity is considered the most serious?
• What happens when the kV setting is increased on an X-ray machine?
• What is the primary purpose of a 'density step wedge' in radiographic testing?
• Which of the following contributes least to the formation of cracks in welds?
• Which material is most commonly used for targets in X-ray tubes?
• Why must background radiation be accounted for in testing scenarios?
• What materials are commonly used as radiation shielding?
• What might cause mottling on a radiographic film?
• A test piece with significant differences in thickness will have what kind of subject contrast?
• A change in what parameter necessitates a new X-ray exposure chart?
• What would indicate unacceptable radiographic film quality?
• Which change would require the creation of a new X-ray exposure chart?
• What is required to ensure a radiographic test is valid?
• What does the term 'latitude' refer to in radiography?
• What is a radiograph?
• What is the average energy of a Cs-137 source?
• What is one of the common uses of gamma rays in radiographic testing?
• What does sensitivity refer to in radiographic testing?
• Which factor is NOT a common influence on the quality of radiographic images?
• How does increasing kilovolt peak (kVp) affect contrast in radiographic imaging?
• What is the purpose of the grid in radiography?
• What term describes the quantity calculated by the formula 0.693/(decay constant)?
• What role does film density play in identifying defects in radiographic images?
• Which technique could effectively reduce the amount of scattered radiation reaching the film during exposure?
• Which of the following is a potential consequence of not considering scatter radiation in radiographic testing?
• What is referred to as the density difference displayed in one area of a film radiograph compared to another?
• What happens to radiation intensity as you move from a distance of 152.4 cm to 1524 cm from the source?
• What might excessive film processing time lead to?
• Why is training particularly important for radiographic technicians?
• Why is it important to recognize artifacts in radiographic images?
• A thin, jagged, dark line inside the weld image on radiographic film is most likely indicative of what?
• What is 'geometric unsharpness' in radiographic testing?
• Which of the following best describes the purpose of calibration in radiographic testing?
• How do lighting conditions influence radiographic testing?
• What safety precautions must be taken during radiographic testing?
• If a 1850 GBq (50 curie) Ir-192 source requires 4 minutes of exposure time, how long would a 925 GBq (25 curie) source require?
• Which factor affects the overall image quality in radiographic testing?
• What is one of the advantages of using gamma rays over X-ray sources in radiography?
• What is the primary purpose of using collimation in radiographic imaging?
• What does 'dynamic range' mean in the context of digital radiography?
• Which factor would be detrimental to radiographic image sharpness?
• What is the purpose of a beam limiter?
• What is the most important factor in limiting radiation exposure?
• What is the primary function of image receptors in radiographic testing?
• What are the essential elements of an acceptable quality radiograph?
• What technique can effectively reduce the amount of black scattered radiation reaching the film?
• In radiography, what type of interaction mostly occurs between X-rays and matter?
• Which is the primary photon interaction that contributes to image formation in radiography?
• What type of bulbs are typically used in high-intensity viewers?
• What type of radiation is used in radiographic testing to penetrate materials?
• Which type of radiography utilizes a phosphor plate to capture images?
• Which radiographic source is known to emit the most penetrating radiation?
• In radiography, how can adjusting the kVp benefit the image?
• In what context is the term 'radiographic sensitivity' most commonly used?
• What parameters can enhance image contrast in radiography?
• What is the impact of scatter radiation on image quality?
• What is the A/D conversion process in digital radiography?
• Which of the following would not be considered a film artifact?
• Which of the following is critical for achieving high-quality radiographic images?
• How does exposure geometry influence radiographic images?
• What is the half-life of Ir-192 approximately?
• Why is film fogging a concern in radiographic testing?
• Which radiographic technique is typically used to detect hidden flaws within materials?
• What is the effect of increasing the object to film distance on image sharpness?