ASNT RT I LATEST EXAM 2025 WITH COMPLETE
QUESTIONS AND VERIFIED CORRECT ANSWERS
ALREADY RATED 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, Pentra meters 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
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
QUESTIONS AND VERIFIED CORRECT ANSWERS
ALREADY RATED 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, Pentra meters 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
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
