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Total Questions : 807 | Page 77 of 81 pages
Question 761. 6. Fast breeder reactor uses
  1.    Boiler
  2.    Direct cycle of coolant system
  3.    Double circuit system of coolant cycle
  4.    Multi pass system
 Discuss Question
Answer: Option C. -> Double circuit system of coolant cycle
Question 762. 3. The total energy released in fission of U235 is
  1.    5 MeV
  2.    10 MeV
  3.    199 MeV
  4.    168 MeV
 Discuss Question
Answer: Option C. -> 199 MeV
Question 763. 2. The nuclear energy is measured as
  1.    MeV
  2.    Curie
  3.    Farads
  4.    MW
 Discuss Question
Answer: Option A. -> MeV
Question 764. 7. One gram of uranium will produce energy equivalent to approximately
  1.    1 tonne of high grade coal
  2.    4.5 tonnes of high grade coal
  3.    10 tonnes of high grade coal
  4.    100 tonnes of high grade coal
 Discuss Question
Answer: Option B. -> 4.5 tonnes of high grade coal
Question 765. 5. Boiling water reactor employs
  1.    Boiler
  2.    Direct cycle of coolant system
  3.    Double circuit system of coolant cycle
  4.    Multi pass system
 Discuss Question
Answer: Option B. -> Direct cycle of coolant system
Question 766. 8. Which of the following nuclear reactor does not need a heat exchanger for generation of steam
  1.    Gas cooled
  2.    Liquid metal cooled
  3.    Pressurised water
  4.    Boiling water
 Discuss Question
Answer: Option D. -> Boiling water
Question 767. 9. The most usable isotope of uranium is
  1.    U233
  2.    U235
  3.    (co u240
  4.    (C) U238
 Discuss Question
Answer: Option B. -> U235
Question 768. 0. The number of isotopes of hydrogen are
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
Question 769. 2. The main interest of shielding in nuclear reactor is protection against
  1.    X-rays
  2.    Infra-red rays
  3.    Oc,j3, and y rays
  4.    Neutrons and gamma rays
 Discuss Question
Answer: Option D. -> Neutrons and gamma rays
Question 770. 1. The commonly used material for shielding is
  1.    Lead or concrete
  2.    (h) lead and tin
  3.    Graphite or cadmium
  4.    Thick galvanised sheets
 Discuss Question
Answer: Option A. -> Lead or concrete

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