ASNT RT I EXAM 2025 (ACTUAL EXAM) | ALL QUESTIONS
AND CORRECT ANSWERS (ALREADY GRADED A+) |
LATEST EXAM | VERIFIED ANSWERS
Although there may be other reasons for using calcium tungstate screens in industrial
radiography, they are most usually used to: - ANSWER✔✔-Decrease exposure time
In film radiography, pentrameters are usually placed: - ANSWER✔✔-on the source side
of the test object
The penetrating ability of an x-ray beam is governed by: - ANSWER✔✔-Kilovoltage
Co-60 used in nondestructive testing emits: - ANSWER✔✔-Gamma rays
A densitometer is an instrument for measuring: - ANSWER✔✔-film density
Three liquids which are essential to process an exposed film properly are: -
ANSWER✔✔-Developer, fixer and water
The two most common causes for excessively high-density radiographs are: -
ANSWER✔✔-overexposure and underdevelopment
the time required for one-half of the atoms in a particular sample of radioactive material
to disintegrate is called: - ANSWER✔✔-a half- life
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 1
, What does the term R/h refer to when speaking of intensity? - ANSWER✔✔-Roentgens
per hour
The ability to detect a small discontinuity or flaw is called: - ANSWER✔✔-radiographic
sensitivity
Movement, geometry, and screen contact are three factors that affect radiographic: -
ANSWER✔✔-unsharpness
The difference between the densities of two areas of a radiograph is called: -
ANSWER✔✔-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: - ANSWER✔✔-curie
Exposure to x-rays or gamma rays will have what effect on the body? - ANSWER✔✔-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
D. All of the above doses would most likely be fatal - ANSWER✔✔-C. 200 - 800 R
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 2
AND CORRECT ANSWERS (ALREADY GRADED A+) |
LATEST EXAM | VERIFIED ANSWERS
Although there may be other reasons for using calcium tungstate screens in industrial
radiography, they are most usually used to: - ANSWER✔✔-Decrease exposure time
In film radiography, pentrameters are usually placed: - ANSWER✔✔-on the source side
of the test object
The penetrating ability of an x-ray beam is governed by: - ANSWER✔✔-Kilovoltage
Co-60 used in nondestructive testing emits: - ANSWER✔✔-Gamma rays
A densitometer is an instrument for measuring: - ANSWER✔✔-film density
Three liquids which are essential to process an exposed film properly are: -
ANSWER✔✔-Developer, fixer and water
The two most common causes for excessively high-density radiographs are: -
ANSWER✔✔-overexposure and underdevelopment
the time required for one-half of the atoms in a particular sample of radioactive material
to disintegrate is called: - ANSWER✔✔-a half- life
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 1
, What does the term R/h refer to when speaking of intensity? - ANSWER✔✔-Roentgens
per hour
The ability to detect a small discontinuity or flaw is called: - ANSWER✔✔-radiographic
sensitivity
Movement, geometry, and screen contact are three factors that affect radiographic: -
ANSWER✔✔-unsharpness
The difference between the densities of two areas of a radiograph is called: -
ANSWER✔✔-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: - ANSWER✔✔-curie
Exposure to x-rays or gamma rays will have what effect on the body? - ANSWER✔✔-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
D. All of the above doses would most likely be fatal - ANSWER✔✔-C. 200 - 800 R
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 2
