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MCQs

Total Questions : 347 | Page 34 of 35 pages
Question 331. . In nuclear fission each neutron that causes fission releases
  1.    No new neutron
  2.    At least one new neutron
  3.    One new neutron
  4.    More than one new neutrons
 Discuss Question
Answer: Option D. -> More than one new neutrons
Question 332. . The nuclear power plant at Tarapur has the following reactor
  1.    Fast breeder
  2.    Pressurised water
  3.    Boiling water
  4.    Sodium graphite
 Discuss Question
Answer: Option C. -> Boiling water
Question 333. . A fission chain reaction in uranium can be developed by
  1.    Slowing down fast neutrons so that U235 fission continues by slow motion neutrons
  2.    Accelerating fast neutrons
  3.    Absorbing all neutrons
  4.    Using moderator
 Discuss Question
Answer: Option A. -> Slowing down fast neutrons so that U235 fission continues by slow motion neutrons
Question 334. . The presence of reflector in nuclear power plants results in
  1.    Increased production of neutrons
  2.    Complete absorption of neutrons
  3.    Controlled production of neutrons
  4.    Decreased leakage of neutrons
 Discuss Question
Answer: Option D. -> Decreased leakage of neutrons
Question 335. . Reactors for propulsion applications use
  1.    Natural uranium
  2.    Molten lead
  3.    Any form of uranium
  4.    Thorium
 Discuss Question
Answer: Option B. -> Molten lead
Question 336. . In fast breeder reactors
  1.    Any type of moderator can be used
  2.    Moderator is dispensed with
  3.    Heavy water is used as the moderator
  4.    Moderator may or may not be used
 Discuss Question
Answer: Option B. -> Moderator is dispensed with
Question 337. . The first unclear power plant in India is located at
  1.    Kota
  2.    Kalapakkam
  3.    Tarapur
  4.    Bareilly
 Discuss Question
Answer: Option C. -> Tarapur
Question 338. . U238 will undergo fission by
  1.    High energy (fast) neutrons alone
  2.    Low energy (slow) neutrons alone
  3.    Either fast or slow neutrons
  4.    None of the above
 Discuss Question
Answer: Option A. -> High energy (fast) neutrons alone
Question 339. . In triggering fission, the following types of neutrons are desirable
  1.    Fast moving
  2.    Slow moving
  3.    Critical neutrons
  4.    Neutrons at rest
 Discuss Question
Answer: Option B. -> Slow moving
Question 340. . The function of control rods in nuclear plants is to
  1.    Control temperature
  2.    Control readioactive pollution
  3.    Control absorption of neutron
  4.    Control fuel consumption
 Discuss Question
Answer: Option C. -> Control absorption of neutron

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