ASNT RT I EXAM LATEST 2025 WITH CORRECT QUESTIONS AND DETAILED
ANSWERS/ALREADY GRADED A+
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
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
, ASNT RT I EXAM LATEST 2025 WITH CORRECT QUESTIONS AND DETAILED
ANSWERS/ALREADY GRADED A+
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
When doing gamma ray radiography with high- intensity emitters, the sources are best handled: -
(answer)by remote handling equipment
If a film is placed in a developer solution and allowed to develop without any agitation: - (answer)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: - (answer)the thickness of the part, the material of the specimen, the voltage range of the available
x-ray machine
ANSWERS/ALREADY GRADED A+
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
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
, ASNT RT I EXAM LATEST 2025 WITH CORRECT QUESTIONS AND DETAILED
ANSWERS/ALREADY GRADED A+
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
When doing gamma ray radiography with high- intensity emitters, the sources are best handled: -
(answer)by remote handling equipment
If a film is placed in a developer solution and allowed to develop without any agitation: - (answer)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: - (answer)the thickness of the part, the material of the specimen, the voltage range of the available
x-ray machine
