CH 20 TESTBANK QUESTIONS AND ANSWERS WITH SOLUTONS 2024

CH 20 TESTBANK QUESTIONS AND ANSWERS WITH SOLUTONS 2024 Which of the terms below refers to the energy absorbed by an organism due to radiation exposure: - ANSWER radiation absorbed dose Which of the terms below refers to the process in which a nuclear fuel, such as Uranium, is split into smaller particles plus energy: - ANSWER fission Which of the following is an example of transuranic waste: - ANSWER plutonium .The sequence shown illustrates: - ANSWER The nuclear fuel cycle .Which of the following is the most common fuel for nuclear fission? - ANSWER uranium As a result of the Chernobyl accident, measurable amounts of radiation were detected: - ANSWER over the Northern Hemisphere One concern in the U.S. regarding increased use of nuclear energy throughout the world, including in a broad range of developing countries is: - ANSWER proliferation of nuclear material that may end up in nuclear weapons Exactly how does a commercial nuclear power plant convert the energy of atomic nuclei into electricity? - ANSWER the heat produced by radioactive decay boils water, which drives a turbine generator At the present time, the method for handling high level nuclear waste in the U.S. is: - ANSWER temporary storage, pending completion of a permanent disposal site All of the following are explanations of why nuclear energy has declined in the U.S. since the 1970s except: - ANSWER growing concern over CO2 emissions and global warming . The fuel for nuclear fission in commercial burner reactors is: - ANSWER uranium A radioactive isotope is a chemical element that undergoes: - ANSWER spontaneous radioactive decay Commercial nuclear reactors produce energy through the process of: - ANSWER fission A gas cooled reactor, known as pebble bed reactor is being developed right now and may be available as early as 2006. What is special about this particular reactor? - ANSWER the core contains always just the right amount of fuel for optimal energy production What role does water serve within the core of a commercial nuclear reactor? - ANSWER water "moderates" or slows down neutrons emitted by radioactive decay When radioactive uranium decays, it passes through a series of decay steps and ends up as: - ANSWER a stable non radioactive isotope of lead In addition to spent fuel, waste material associated with nuclear energy includes: - ANSWER uranium mine tailings Isotopes are atoms of an element that: - ANSWER have the same atomic number but vary in the atomic mass number The joining of light atoms to form heavier nuclei is known as: - ANSWER fusion The series of different forms that a radioisotope takes during its lifetime is known as its: - ANSWER decay