Power Plant Questions and Answers – Chemical & Nuclear Reactions – II

This set of Power Plant Mcqs focuses on “Chemical & Nuclear Reactions – II”.

1. Which of the following may be used to measure the rate of nuclear disintegration?
a) Geiger-Muller Counter
b) Cold Chamber
c) Cyclotron
d) Van De Graph Generator
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2. The second underground nuclear test was conducted by India at __________
a) Pokhran
b) Narora
c) Jaisalmer
d) Kalpakkam
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3. Which of the following may not need a moderator?
a) Candu Reactor
b) Fast Breeder Reactor
c) Homogeneous Reactor
d) none of the mentioned
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4. The mass number of an element is not changed, when it emits __________ radiations.
a) α & γ
b) α, β, & γ
c) α & β
d) β & γ
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5. Which of the following is not a naturally occurring nuclear fuel?
a) Uranium-238
b) Thorium-233
c) Plutonium-239
d) None of the mentioned
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6. Which is the most commonly used molten metal for cooling of nuclear reactors?
a) Zinc
b) Sulphur
c) Sodium
d) Manganese
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7. One amu is equivalent to?
a) 931 MeV
b) 93.1 eV
c) 9.31 eV
d) 931 J
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8. Fast breeder reactors do not __________
a) use molten sodium as coolant
b) use fast neutrons for fission
c) use Th-232 as fissile fuel
d) convert fertile material to fissile material
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9. A boiling water reactor is the one, in which the __________
a) pressurised water is pumped into the core.
b) coolant water, after being heated in the reactor core, generates steam in a boiler
c) fuel and the coolant are thoroughly mixed to form a homogeneous solution
d) coolant water is allowed to boil in the core of the reactor
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10. Commercial power generation from fusion reactor is not yet possible, because __________
a) it is difficult to initiate fusion reaction
b) the fuel required (e.g. deuterium and tritium) is scarce
c) it is difficult to control fusion reaction
d) quantity of fuel required for initiating fusion reaction is prohibitively high
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11. Which is a fertile nuclear fuel?
a) U-233
b) U-235
c) Pu-239
d) Th-232
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12. Thermal shield is used in high powered nuclear reactors to __________
a) absorb the fast neutrons
b) protect the walls of the reactor from radiation damage
c) slow down the secondary neutrons
d) protect the fuel element from coming in contact with the coolant
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Sanfoundry Global Education & Learning Series – Power Plant Engineering.

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