Nuclear Power Engineering problems
- 1. "Critical mass" is the minimum mass of nuclear fissile material required for the
Options- A. sustainment of chain reaction.
- B. power generation on commercial scale.
- C. economic power generation.
- D. none of these. Discuss
Correct Answer: sustainment of chain reaction.
- 2. A nuclear reactor can't be used for
Options- A. the production of radioisotopes.
- B. supplying intense fields or beams of neutron for scientific experiments.
- C. marine ship propulsion.
- D. none of these. Discuss
Correct Answer: none of these.
- 3. A homogeneous reactor is the one, in which the
Options- A. fissile atoms are evenly distributed throughout the mass of nuclear reactor.
- B. same substance (e.g. heavy water) is used as moderator & coolant.
- C. the fuel and the moderator is mixed to form a homogeneous material.
- D. all (a), (b) and (c). Discuss
Correct Answer: the fuel and the moderator is mixed to form a homogeneous material.
- 4. Hydrogen bomb employs the nuclear fusion of
Options- A. hydrogen
- B. deuterium
- C. tritium
- D. helium Discuss
Correct Answer: deuterium
- 5. Hydrogen has __________ isotopes.
Options- A. no
- B. one
- C. two
- D. three Discuss
Correct Answer: three
- 6. Fast breeder Test Reactor (FBTR) is located at
Options- A. Kalpakkam (near Madras).
- B. Kota (in Rajasthan).
- C. BARC (Trombay).
- D. Tarapur (in Maharashtra). Discuss
Correct Answer: Kalpakkam (near Madras).
- 7. Sodium melts (at atmospheric pressure) at a temperature of __________ °C.
Options- A. 58
- B. 98
- C. 348
- D. 588 Discuss
Correct Answer: 98
- 8. Moderating material used in a thermal-reactor should be a
Options- A. good absorber of neutrons.
- B. solid substance.
- C. poor absorber of neutrons.
- D. none of these. Discuss
Correct Answer: poor absorber of neutrons.
- 9. Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around __________ m/sec.
Options- A. 1
- B. 2200
- C. 3 x 1011
- D. 9 x 1021 Discuss
Correct Answer: 2200
- 10. The mass number of an element is not changed, when it emits __________ radiations.
Options- A. ? & ?
- B. ? & ?
- C. ? & ?
- D. ?, ?, & ? Discuss
Correct Answer: ? & ?
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