Mechanical Power Plant Engineering MCQ Practice Test

Practice Test: Question Set - 08

1. In triggering fission, which types of neutrons are more effective?
    (A) Fast
    (B) Slow
    (C) In bulk
    (D) Static

2. For economical operation of a nuclear plant
    (A) Used fuel should be reprocessed
    (B) Moderator should be used
    (C) Coolant should be employed
    (D) Control rods should be used

3. The size of the reactor is said to be critical when
    (A) Chain reaction can be initiated
    (B) It becomes uncontrollable
    (C) It explodes
    (D) It produces no power

4. Superheated steam is generated in following reactor
    (A) Boiling water
    (B) Gas cooled
    (C) Pressurised water
    (D) All of the above

5. In nuclear fission
    (A) The original elements change into completely different elements
    (B) The electrons of the element change
    (C) The molecules rearrange themselves to form other molecules
    (D) None of the above

6. A fast breeder reactor uses following as fuel
    (A) Enriched uranium
    (B) Plutonium
    (C) Thorium
    (D) U₂₃₅

7. Half life of a radioactive isotope corresponds to the time required for half of the following to decay
    (A) Electrons
    (B) Protons
    (C) Neutrons
    (D) Atom

8. In boiling water reactor, moderator is
    (A) Coolant itself
    (B) Ferrite rod
    (C) Graphite rod
    (D) Liquid sodium metal

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Power Plant Engineering:
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