Q1. What is the binding energy of the nucleus ?
Use the following data:
Q2. The fission of one nucleus of uranium 235 releases 200 MeV of energy. What is the value of this energy in J?
Q3. The mass of the nuclear fuel in a nuclear reactor decreases at a rate of 1.2 × 10–5 kg per hour. Assuming 100% efficiency in the reactor what is the power output of the reactor?
Q4. The moderator in a nuclear reactor is sometimes made of graphite. What is the purpose of the graphite?
Q5. Which line, A to D, in the table gives a combination of materials that is commonly used for moderating, controlling and shielding respectively in a nuclear reactor?
Q6. Which one of the following statements is not true about the control rods used in a nuclear reactor?
Q7. A thermal nuclear reactor is shut down by inserting the control rods fully into the core. Which line, A to D, shows correctly the effect of this action on the fission neutrons in the reactor?
Q8. For a nuclear reactor in which the fission rate is constant, which one of the following statements is correct?
Q9. Artificial radioactive nuclides are manufactured by placing naturally-occurring nuclides in a nuclear reactor. They are made radioactive in the reactor as a consequence of bombardment by
Q10. In a thermal reactor, induced fission is caused by the nucleus capturing a neutron, undergoing fission and producing more neutrons. Which one of the following statements is true?
Q11. Why is a moderator required in a thermal nuclear reactor?
Q12. The nuclear fuel, which provides the power output in a nuclear reactor, decreases in mass at a rate of 6.0 × 10–6 kg per hour. What is the maximum possible power output of the reactor?