ASNT Level III Study Guide - Industrial Radiography
Radiation Safety Questions 2022/2023 | Consisting Of 222
Questions With Verified Answers From Experts
The Symbol R means:
a. rem
b. rad
c. roentgen
d. radiation
c. roentgen
The acronym rad means:
a. radiation absorbed dose
b. roentgen absorbed dose
c. roentgen acquired dose
d. radiation at death
a. radiation absorbed dose
The roentgen (R) exposure is measured in:
a. tissue
b. water
c. a lab
d. air
d. air
The symbol mR means:
a. milliroentgen
b. microroentgen
c. megaroentgen
d. millirem
a. milliroentgen
One roentgen or 1 R is equal to:
a. 100 milliroentgen
b. 1000 milliroentgen
c. 0.001 milliroentgen
d. 1 milliroentgen
b. 1000 milliroentgen
The acronym rem stands for:
a. radiation equivalent man
b. radiation effect man
,c. roentgen effect man
d. roentgen equivalent man
d. roentgen equivalent man
The initialism QF stands for:
a. quantity factor
b. quality frequency
c. quality factor
d. quality effective factor
c. quality factor
The quality factor for X-rays and gamma rays is:
a. 1
b. 2
c. 10
d. 20
a. 1
The quality factor for alpha (ray) particles is:
a. 1
b. 2
c. 10
d. 20
d. 20
Activity of radioactive material is measured in:
a. curies
b. roentgens
c. sieverts
d. grays
a. curies
Becquerels and curies are units of measurement of:
a. physical size of the source
b. gray per hour
c. decay rate
d. roentgen per hour
c. decay rate
Atoms that have excess energy and are unstable are known as:
a. radioactive
b. radioactivity
c. balanced
d. weighted
a. radioactive
,Elementary particles units with a negative electrical charge and a mass
approximately equal to 1/1840 that of a proton are:
a. electrons
b. protons
c. neutrons
d. valence shells
a. electrons
Positively charged elementary particles with a mass approximately equal to 1840
times that of an electron, or 1 AMU, are known as:
a. electrons
b. protons
c. neutrons
d. valence shells
b. protons
Uncharged elementary particles with a mass nearly equal to that of a proton are
called:
a. electrons
b. protons
c. neutrons
d. valence shells
c. neutrons
The area known as the center of an atom is called the:
a. electron
b. nucleus
c. proton
d. neutron
b. nucleus
Any byproduct material that is encased in a capsule designed to prevent leakage
or escape of the byproduct material is a:
a. drum
b. pig
c. sealed source
d. container
c. sealed source
A tube through which the radioactive source travels when inside a radiographic
exposure device is a/an:
a. port tube
b. guide tube
c. S tube
d. exit tube
, c. S tube
Survey meters must be calibrated at intervals not to exceed:
a. three months and/or after instrument servicing except for battery changes
b. six months and/or after instrument servicing except for battery changes
c. annually and after instrument servicing except for battery changes
d. daily and after instrument servicing except for battery changes
b. six months and/or after instrument servicing except for battery changes
A survey meter must be capable of measuring a range of:
a. 0 to 1000 mR/h (0 to 10 mSv/h)
b. 2 to 1000 R/h (0.02 to 10 Sv/h)
c. 0 to 1000 R/h (0 to 10 Sv/h)
d. 2 to 1000 mR/h (0.02 to 10 mSv/h)
d. 2 to 1000 mR/h (0.02 to 10 mSv/h)
Becquerels and curies are units of measurement of:
a. physical size of the source
b. activity
c. gray per hour
d. roentgen per hour
b. activity
An analog survey meter must be calibrated on each scale at two points
approximately:
a. 33% and 66% of the scale's potential
b. 25% and 75% of the scale's potential
c. through the full range of the scale's potential
d. at the midpoint of the scale's potential
a. 33% and 66% of the scale's potential
The process that results in the removal of orbital electrons from atoms resulting
in the formation of ion pairs is called:
a. excitation
b. radioactivity
c. decay
d. ionization
d. ionization
The fact that gases bombarded by ionizing radiation become conductors of
electrical current make them useful in:
a. X-ray transformers
b. cathode tubes
c. detection equipment
d. gasses cannot conduct electrical charges
c. detection equipment
Radiation Safety Questions 2022/2023 | Consisting Of 222
Questions With Verified Answers From Experts
The Symbol R means:
a. rem
b. rad
c. roentgen
d. radiation
c. roentgen
The acronym rad means:
a. radiation absorbed dose
b. roentgen absorbed dose
c. roentgen acquired dose
d. radiation at death
a. radiation absorbed dose
The roentgen (R) exposure is measured in:
a. tissue
b. water
c. a lab
d. air
d. air
The symbol mR means:
a. milliroentgen
b. microroentgen
c. megaroentgen
d. millirem
a. milliroentgen
One roentgen or 1 R is equal to:
a. 100 milliroentgen
b. 1000 milliroentgen
c. 0.001 milliroentgen
d. 1 milliroentgen
b. 1000 milliroentgen
The acronym rem stands for:
a. radiation equivalent man
b. radiation effect man
,c. roentgen effect man
d. roentgen equivalent man
d. roentgen equivalent man
The initialism QF stands for:
a. quantity factor
b. quality frequency
c. quality factor
d. quality effective factor
c. quality factor
The quality factor for X-rays and gamma rays is:
a. 1
b. 2
c. 10
d. 20
a. 1
The quality factor for alpha (ray) particles is:
a. 1
b. 2
c. 10
d. 20
d. 20
Activity of radioactive material is measured in:
a. curies
b. roentgens
c. sieverts
d. grays
a. curies
Becquerels and curies are units of measurement of:
a. physical size of the source
b. gray per hour
c. decay rate
d. roentgen per hour
c. decay rate
Atoms that have excess energy and are unstable are known as:
a. radioactive
b. radioactivity
c. balanced
d. weighted
a. radioactive
,Elementary particles units with a negative electrical charge and a mass
approximately equal to 1/1840 that of a proton are:
a. electrons
b. protons
c. neutrons
d. valence shells
a. electrons
Positively charged elementary particles with a mass approximately equal to 1840
times that of an electron, or 1 AMU, are known as:
a. electrons
b. protons
c. neutrons
d. valence shells
b. protons
Uncharged elementary particles with a mass nearly equal to that of a proton are
called:
a. electrons
b. protons
c. neutrons
d. valence shells
c. neutrons
The area known as the center of an atom is called the:
a. electron
b. nucleus
c. proton
d. neutron
b. nucleus
Any byproduct material that is encased in a capsule designed to prevent leakage
or escape of the byproduct material is a:
a. drum
b. pig
c. sealed source
d. container
c. sealed source
A tube through which the radioactive source travels when inside a radiographic
exposure device is a/an:
a. port tube
b. guide tube
c. S tube
d. exit tube
, c. S tube
Survey meters must be calibrated at intervals not to exceed:
a. three months and/or after instrument servicing except for battery changes
b. six months and/or after instrument servicing except for battery changes
c. annually and after instrument servicing except for battery changes
d. daily and after instrument servicing except for battery changes
b. six months and/or after instrument servicing except for battery changes
A survey meter must be capable of measuring a range of:
a. 0 to 1000 mR/h (0 to 10 mSv/h)
b. 2 to 1000 R/h (0.02 to 10 Sv/h)
c. 0 to 1000 R/h (0 to 10 Sv/h)
d. 2 to 1000 mR/h (0.02 to 10 mSv/h)
d. 2 to 1000 mR/h (0.02 to 10 mSv/h)
Becquerels and curies are units of measurement of:
a. physical size of the source
b. activity
c. gray per hour
d. roentgen per hour
b. activity
An analog survey meter must be calibrated on each scale at two points
approximately:
a. 33% and 66% of the scale's potential
b. 25% and 75% of the scale's potential
c. through the full range of the scale's potential
d. at the midpoint of the scale's potential
a. 33% and 66% of the scale's potential
The process that results in the removal of orbital electrons from atoms resulting
in the formation of ion pairs is called:
a. excitation
b. radioactivity
c. decay
d. ionization
d. ionization
The fact that gases bombarded by ionizing radiation become conductors of
electrical current make them useful in:
a. X-ray transformers
b. cathode tubes
c. detection equipment
d. gasses cannot conduct electrical charges
c. detection equipment
