1
ASNT RT I EXAM NEWEST 2025 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
Although there may be other reasons for using calcium tungstate screens in
industrial radiography, they are most usually used to: - (answers)Decrease
exposure time
issues, apply appropriate laws and precedents, and reach conclusions based on the facts presented. This requires a deep understanding of case law and statutory law.Critical Thinking: Law
students must think critically about the ethical implications of legal decisions and analyze the potential consequences of
In film radiography, pentrameters are usually placed: - (answers)on the source
side of the test object
The penetrating ability of an x-ray beam is governed by: - (answers)Kilovoltage
Co-60 used in nondestructive testing emits: - (answers)Gamma rays
A densitometer is an instrument for measuring: - (answers)film density
Three liquids which are essential to process an exposed film properly are: -
(answers)Developer, fixer and water
The two most common causes for excessively high-density radiographs are: -
(answers)overexposure and underdevelopment
the time required for one-half of the atoms in a particular sample of radioactive
material to disintegrate is called: - (answers)a half- life
, 2
What does the term R/h refer to when speaking of intensity? -
(answers)Roentgens per hour
The ability to detect a small discontinuity or flaw is called: - (answers)radiographic
sensitivity
issues, apply appropriate laws and precedents, and reach conclusions based on the facts presented. This requires a deep understanding of case law and statutory law.Critical Thinking: Law
students must think critically about the ethical implications of legal decisions and analyze the potential consequences of
Movement, geometry, and screen contact are three factors that affect
radiographic: - (answers)unsharpness
The difference between the densities of two areas of a radiograph is called: -
(answers)radiographic contrast
The most widely used unit of measurement for measuring the rate at which the
output of a gamma ray source decays is the: - (answers)curie
Exposure to x-rays or gamma rays will have what effect on the body? - (answers)It
may have a cumulative effect which must be considered
Which dose would be dangerous, if not fatal, if applied to the entire body in a
short period of time?
A. 1.5 - 15R
B. 25 - 70R
C. 200 - 800R
, 3
D. All of the above doses would most likely be fatal - (answers)C. 200 - 800 R
When doing gamma ray radiography with high- intensity emitters, the sources are
best handled: - (answers)by remote handling equipment
issues, apply appropriate laws and precedents, and reach conclusions based on the facts presented. This requires a deep understanding of case law and statutory law.Critical Thinking: Law
students must think critically about the ethical implications of legal decisions and analyze the potential consequences of
If a film is placed in a developer solution and allowed to develop without any
agitation: - (answers)There will be a tendency for areas to affect each other
The selection of the proper type of film to be used for the x-ray examination of a
particular part depends on: - (answers)the thickness of the part, the material of
the specimen, the voltage range of the available x-ray machine
A Co-60 source has a half life of: - (answers)5.3 Years
x-ray tube current is controlled by: - (answers)the current passing through the
filament
The voltage and waveform applied to the x-ray tube by a high- voltage
transformer primarily determines the: - (answers)penetrating ability
lead foil in direct contact with x-ray film: - (answers)Intensifies the primary
radiation more than the scatter radiation
ASNT RT I EXAM NEWEST 2025 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
Although there may be other reasons for using calcium tungstate screens in
industrial radiography, they are most usually used to: - (answers)Decrease
exposure time
issues, apply appropriate laws and precedents, and reach conclusions based on the facts presented. This requires a deep understanding of case law and statutory law.Critical Thinking: Law
students must think critically about the ethical implications of legal decisions and analyze the potential consequences of
In film radiography, pentrameters are usually placed: - (answers)on the source
side of the test object
The penetrating ability of an x-ray beam is governed by: - (answers)Kilovoltage
Co-60 used in nondestructive testing emits: - (answers)Gamma rays
A densitometer is an instrument for measuring: - (answers)film density
Three liquids which are essential to process an exposed film properly are: -
(answers)Developer, fixer and water
The two most common causes for excessively high-density radiographs are: -
(answers)overexposure and underdevelopment
the time required for one-half of the atoms in a particular sample of radioactive
material to disintegrate is called: - (answers)a half- life
, 2
What does the term R/h refer to when speaking of intensity? -
(answers)Roentgens per hour
The ability to detect a small discontinuity or flaw is called: - (answers)radiographic
sensitivity
issues, apply appropriate laws and precedents, and reach conclusions based on the facts presented. This requires a deep understanding of case law and statutory law.Critical Thinking: Law
students must think critically about the ethical implications of legal decisions and analyze the potential consequences of
Movement, geometry, and screen contact are three factors that affect
radiographic: - (answers)unsharpness
The difference between the densities of two areas of a radiograph is called: -
(answers)radiographic contrast
The most widely used unit of measurement for measuring the rate at which the
output of a gamma ray source decays is the: - (answers)curie
Exposure to x-rays or gamma rays will have what effect on the body? - (answers)It
may have a cumulative effect which must be considered
Which dose would be dangerous, if not fatal, if applied to the entire body in a
short period of time?
A. 1.5 - 15R
B. 25 - 70R
C. 200 - 800R
, 3
D. All of the above doses would most likely be fatal - (answers)C. 200 - 800 R
When doing gamma ray radiography with high- intensity emitters, the sources are
best handled: - (answers)by remote handling equipment
issues, apply appropriate laws and precedents, and reach conclusions based on the facts presented. This requires a deep understanding of case law and statutory law.Critical Thinking: Law
students must think critically about the ethical implications of legal decisions and analyze the potential consequences of
If a film is placed in a developer solution and allowed to develop without any
agitation: - (answers)There will be a tendency for areas to affect each other
The selection of the proper type of film to be used for the x-ray examination of a
particular part depends on: - (answers)the thickness of the part, the material of
the specimen, the voltage range of the available x-ray machine
A Co-60 source has a half life of: - (answers)5.3 Years
x-ray tube current is controlled by: - (answers)the current passing through the
filament
The voltage and waveform applied to the x-ray tube by a high- voltage
transformer primarily determines the: - (answers)penetrating ability
lead foil in direct contact with x-ray film: - (answers)Intensifies the primary
radiation more than the scatter radiation
