ASNT RT I EXAM QUESTIONS AND CORRECT DETAILED ANSWERS
ASNT RT I
UPDATE ALREADY A GRADE|NEW!
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1. Although there may be other reasons for Decrease exposure time
using calcium tungstate screens in in-
dustrial radiography, they are most usu-
ally used to:
2. In film radiography, pentrameters are on the source side of the test object
usually placed:
3. The penetrating ability of an x-ray beam Kilovoltage
is governed by:
4. Co-60 used in nondestructive testing Gamma rays
emits:
5. A densitometer is an instrument for film density
measuring:
6. Three liquids which are essential to Developer, fixer and water
process an exposed film properly are:
7. The two most common causes for exces- overexposure and underdevelopment
sively high-density radiographs are:
8. the time required for one-half of the a half- life
atoms in a particular sample of radioac-
tive material to disintegrate is called:
9. What does the term R/h refer to when Roentgens per hour
speaking of intensity?
10. The ability to detect a small discontinuity radiographic sensitivity
or flaw is called:
11. unsharpness
, ASNT RT I
Study online at https://quizlet.com/_hffh9l
Movement, geometry, and screen con-
tact are three factors that affect radi-
ographic:
12. The difference between the densities of radiographic contrast
two areas of a radiograph is called:
13. The most widely used unit of measure- curie
ment for measuring the rate at which the
output of a gamma ray source decays is
the:
14. Exposure to x-rays or gamma rays will It may have a cumulative effect which must be
have what effect on the body? considered
15. Which dose would be dangerous, if not C. 200 - 800 R
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
16. When doing gamma ray radiography by remote handling equipment
with high- intensity emitters, the sources
are best handled:
17. If a film is placed in a developer solution There will be a tendency for areas to affect
and allowed to develop without any agi- each other
tation:
18.
ASNT RT I
UPDATE ALREADY A GRADE|NEW!
Study online at https://quizlet.com/_hffh9l
1. Although there may be other reasons for Decrease exposure time
using calcium tungstate screens in in-
dustrial radiography, they are most usu-
ally used to:
2. In film radiography, pentrameters are on the source side of the test object
usually placed:
3. The penetrating ability of an x-ray beam Kilovoltage
is governed by:
4. Co-60 used in nondestructive testing Gamma rays
emits:
5. A densitometer is an instrument for film density
measuring:
6. Three liquids which are essential to Developer, fixer and water
process an exposed film properly are:
7. The two most common causes for exces- overexposure and underdevelopment
sively high-density radiographs are:
8. the time required for one-half of the a half- life
atoms in a particular sample of radioac-
tive material to disintegrate is called:
9. What does the term R/h refer to when Roentgens per hour
speaking of intensity?
10. The ability to detect a small discontinuity radiographic sensitivity
or flaw is called:
11. unsharpness
, ASNT RT I
Study online at https://quizlet.com/_hffh9l
Movement, geometry, and screen con-
tact are three factors that affect radi-
ographic:
12. The difference between the densities of radiographic contrast
two areas of a radiograph is called:
13. The most widely used unit of measure- curie
ment for measuring the rate at which the
output of a gamma ray source decays is
the:
14. Exposure to x-rays or gamma rays will It may have a cumulative effect which must be
have what effect on the body? considered
15. Which dose would be dangerous, if not C. 200 - 800 R
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
16. When doing gamma ray radiography by remote handling equipment
with high- intensity emitters, the sources
are best handled:
17. If a film is placed in a developer solution There will be a tendency for areas to affect
and allowed to develop without any agi- each other
tation:
18.
