Nuclear Power Engineering Mcqs for Chemical

Q.  75% of a radioactive element decays in 6 hours. Its half life period is ______________ hours?

a. 3/4
b. 1/6
c. 3
d. 4


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MCQs:  Isotopes of an element have different_____________________?
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MCQs:  The ratio of atomic radius to its nuclear radius is about___________________?
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MCQs:  Which of the following nuclear materials is fissile ?
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MCQs:  Gas cooling as compared to water cooling of nuclear reactors___________________?
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MCQs:  Unit of radioactivity is__________________?
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MCQs:  The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about ______________ metres/second?
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MCQs:  Extraction of uranium from its ore is done using ______________ methods?
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MCQs:  Quantity of fissionable material (i.e. U-235) in natural uranium is _____________ percent?
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MCQs:  Fast breeder reactors do not____________________?
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MCQs:  Fuel for a fast breeder reactor is_________________?
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MCQs:  The main ore of thorium is_________________?
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MCQs:  Uranium percentage in monazite sand is about________________?
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MCQs:  Which of the following is a moderating material used in nuclear reactor ?
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MCQs:  Nuclear reactors are provided with shield to guard against the emission of mainly _____________ rays?
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MCQs:  The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be _____________ percent?
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MCQs:  Out of the following, nucleus of _____________ atom contains the largest number of neutrons?
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MCQs:  Molten sodium (as a coolant in fast breeder reactor) ?
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MCQs:  Commercial power generation from fusion reactor is not yet possible, because___________________?
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MCQs:  Thermal shield is used in high powered nuclear reactors to__________________?
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MCQs:  A radioactive substance does not emit________________?
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