DOE Core (RCT) Practice EXAM (updated 2025) Questions & Answers |
Latest Already Graded A+ UPDATE 2025|2026
Atomic Mass - (answer)The actual weight of a particular isotope in AMU
The atomic # is the # of: - (answer)Protons in the nucleus
The periodic table of the elements lists all known elements in order of: - (answer)Increasing atomic #
An action on an object that could cause the object to change speed or direction is identified as -
(answer)Force
The Law of Conservation of Energy states that the: - (answer)Total amount of energy in a closed system
remains unchanged
When the nucleons are combined to form a nucleus some of the mass is: - (answer)Converted to
binding. energy
The equation E=mc^2 states that: - (answer)Mass & energy are equivalent
When two or more light nuclei combine to from a large nucleus in fusion, this changes the: -
(answer)Binding energy
Isotopes are defined as nuclides w/ the same: - (answer)# of protons but a different # of neutrons
The average dose, to the general population of the US, from all combined medical exposures as part of
man-made background radiation sources is approximately - (answer)53 mRem/yr
The average dose, to the general population of the US, from consumer products as part of man-made
background radiation sources is approximately - (answer)10 mRem/yr
, DOE Core (RCT) Practice EXAM (updated 2025) Questions & Answers |
Latest Already Graded A+ UPDATE 2025|2026
The factor which contributes the greatest variability in dose from natural cosmic background radiation is
- (answer)Altitude
Alpha radiation is defined as: - (answer)A heavy particle w/ a mass of 4 amu & a charge of +2 that is
emitted from the nucleus
Rad - (answer)A unit of absorbed dose
Half-life - (answer)The length of time required for one-half of the original # of nuclei to disintegrate
Exposure - (answer)The ionization caused by x-ray & gamma radiation in air
Most fission products are unstable because the ratio of - (answer)Neutrons to protons is too high (n:p)
Curie - (answer)The activity of that quantity of radioactive material in which 37 billion atoms are
transformed per second
The rate of decay & the type & energy of decay are unique for - (answer)Each radionuclide
If a nuclide is found to be radioactive, & has not been involved w/ a man-made process, the nuclide is
_____ radioactive - (answer)Naturally
Identify one aspect associated w/ radioactive decay which most identifies a radionuclide - (answer)Rate
of decay
Alpha particle - (answer)A heavy particulate radiation consisting of 2 protons & 2 neutrons & a charge of
+2
Latest Already Graded A+ UPDATE 2025|2026
Atomic Mass - (answer)The actual weight of a particular isotope in AMU
The atomic # is the # of: - (answer)Protons in the nucleus
The periodic table of the elements lists all known elements in order of: - (answer)Increasing atomic #
An action on an object that could cause the object to change speed or direction is identified as -
(answer)Force
The Law of Conservation of Energy states that the: - (answer)Total amount of energy in a closed system
remains unchanged
When the nucleons are combined to form a nucleus some of the mass is: - (answer)Converted to
binding. energy
The equation E=mc^2 states that: - (answer)Mass & energy are equivalent
When two or more light nuclei combine to from a large nucleus in fusion, this changes the: -
(answer)Binding energy
Isotopes are defined as nuclides w/ the same: - (answer)# of protons but a different # of neutrons
The average dose, to the general population of the US, from all combined medical exposures as part of
man-made background radiation sources is approximately - (answer)53 mRem/yr
The average dose, to the general population of the US, from consumer products as part of man-made
background radiation sources is approximately - (answer)10 mRem/yr
, DOE Core (RCT) Practice EXAM (updated 2025) Questions & Answers |
Latest Already Graded A+ UPDATE 2025|2026
The factor which contributes the greatest variability in dose from natural cosmic background radiation is
- (answer)Altitude
Alpha radiation is defined as: - (answer)A heavy particle w/ a mass of 4 amu & a charge of +2 that is
emitted from the nucleus
Rad - (answer)A unit of absorbed dose
Half-life - (answer)The length of time required for one-half of the original # of nuclei to disintegrate
Exposure - (answer)The ionization caused by x-ray & gamma radiation in air
Most fission products are unstable because the ratio of - (answer)Neutrons to protons is too high (n:p)
Curie - (answer)The activity of that quantity of radioactive material in which 37 billion atoms are
transformed per second
The rate of decay & the type & energy of decay are unique for - (answer)Each radionuclide
If a nuclide is found to be radioactive, & has not been involved w/ a man-made process, the nuclide is
_____ radioactive - (answer)Naturally
Identify one aspect associated w/ radioactive decay which most identifies a radionuclide - (answer)Rate
of decay
Alpha particle - (answer)A heavy particulate radiation consisting of 2 protons & 2 neutrons & a charge of
+2
