NDT RT Test with all Correct & 100% Verified Answers |
Guaranteed to Pass
Gamma rays are generated by which of the following? ✔Correct Answer-Radioactive isotopes
undergoing disintegration
The most widely used standard (imperial) unit of measurement for measuring the rate at which
the output of a gamma ray source decays is the: ✔Correct Answer-curie
What term refer to the interaction of a photon with orbital electrons when the photon energy is
not completely lost to an electron and the rest of the energy gets scattered? ✔Correct
Answer-compton effect
The specific activity of a radioactive isotope depends on the: ✔Correct Answer-time the
material has been in the reactor
A gamma ray source is designated as iridium-192. The 192 designation is the: ✔Correct
Answer-mass number
the activity of a gamma ray source is measured in: ✔Correct Answer-curies in the US system
and becquerels in the SI system
which of the gamma ray sources listed below has an energy greater than 1 million
electronvolts? ✔Correct Answer-cobalt-60
which of the following are ionization processes? ✔Correct Answer-photoelectric effect,
compton effect, and pair production
Natural and artificial radioisotopes disintegrate by releasing energy in the following forms:
✔Correct Answer-gamma rays, beta particles, and alpha particles
gamma ray intensity is: ✔Correct Answer-a measure of radiation emission
a half-life is the time it takes for: ✔Correct Answer-the activity of an isotope to decay to one-
half life of its initial strength
the energy of a gamma ray source is determined by the: ✔Correct Answer-nature of the
source
the major component of scatter is: ✔Correct Answer-medium-energy rays weakend in the
compton scattering process
Guaranteed to Pass
Gamma rays are generated by which of the following? ✔Correct Answer-Radioactive isotopes
undergoing disintegration
The most widely used standard (imperial) unit of measurement for measuring the rate at which
the output of a gamma ray source decays is the: ✔Correct Answer-curie
What term refer to the interaction of a photon with orbital electrons when the photon energy is
not completely lost to an electron and the rest of the energy gets scattered? ✔Correct
Answer-compton effect
The specific activity of a radioactive isotope depends on the: ✔Correct Answer-time the
material has been in the reactor
A gamma ray source is designated as iridium-192. The 192 designation is the: ✔Correct
Answer-mass number
the activity of a gamma ray source is measured in: ✔Correct Answer-curies in the US system
and becquerels in the SI system
which of the gamma ray sources listed below has an energy greater than 1 million
electronvolts? ✔Correct Answer-cobalt-60
which of the following are ionization processes? ✔Correct Answer-photoelectric effect,
compton effect, and pair production
Natural and artificial radioisotopes disintegrate by releasing energy in the following forms:
✔Correct Answer-gamma rays, beta particles, and alpha particles
gamma ray intensity is: ✔Correct Answer-a measure of radiation emission
a half-life is the time it takes for: ✔Correct Answer-the activity of an isotope to decay to one-
half life of its initial strength
the energy of a gamma ray source is determined by the: ✔Correct Answer-nature of the
source
the major component of scatter is: ✔Correct Answer-medium-energy rays weakend in the
compton scattering process
