The Following Section consists of Multiple Choice Questions on Nuclear Power Engineering.
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Nuclear Power Engineering MCQ
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Question 1 of 20
1. Question
1 pointsWhich of the following may be used to measure the rate of nuclear disintegration?
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Question 2 of 20
2. Question
1 pointsThe decrease in the atomic number is not observed in case of
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Question 3 of 20
3. Question
1 pointsThe mass number of an element is not changed, when it emits __________ radiations.
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Question 4 of 20
4. Question
1 pointsWhich of the following is not a naturally occurring nuclear fuel ?
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Question 5 of 20
5. Question
1 pointsAn electron has a mass that is approximately __________ that of the proton.
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Question 6 of 20
6. Question
1 pointsWhich is the most commonly used molten metal for cooling of nuclear reactors ?
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Question 7 of 20
7. Question
1 pointsThe amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be __________ of its original weight.
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Question 8 of 20
8. Question
1 pointsThe second underground nuclear test was conducted by India at
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Question 9 of 20
9. Question
1 pointsGas cooling as compared to water cooling of nuclear reactors
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Question 10 of 20
10. Question
1 pointsThe decay product of tritium (a beta emitter) is
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Question 11 of 20
11. Question
1 pointsHeat is generated in a nuclear reactor (thermal) by
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Question 12 of 20
12. Question
1 pointsThe time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years.
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Question 13 of 20
13. Question
1 pointsWhich of the following may not need a moderator ?
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Question 14 of 20
14. Question
1 pointsThe amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be __________ percent.
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Question 15 of 20
15. Question
1 pointsFast breeder reactors do not
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Question 16 of 20
16. Question
1 pointsThorium-232 is converted into uranium-233 in a/an __________ nuclear reactor.
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Question 17 of 20
17. Question
1 pointsWhich of the following may not need a control rod ?
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Question 18 of 20
18. Question
1 pointsOne ‘amu’ is equivalent to
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Question 19 of 20
19. Question
1 pointsCommercial power generation from fusion reactor is not yet possible, because
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Question 20 of 20
20. Question
1 pointsA boiling water reactor is the one, in which the
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Nuclear Power Engineering MCQ 2
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Question 1 of 20
1. Question
1 pointsThermal neutrons which are used to cause the fission of U-235 have energy __________ eV.
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Question 2 of 20
2. Question
1 pointsWhich of the following types of nuclear reactors is most prone to radioactive hazards ?
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Question 3 of 20
3. Question
1 pointsThermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235.
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Question 4 of 20
4. Question
1 pointsThe atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element ?
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Question 5 of 20
5. Question
1 pointsWhich of the following is not used as a nuclear fuel cladding material ?
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Question 6 of 20
6. Question
1 pointsThe function of moderators in nuclear reactor is to
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Question 7 of 20
7. Question
1 pointsSpecific gravity of uranium and plutonium is about
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Question 8 of 20
8. Question
1 pointsPick out the wrong statement.
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Question 9 of 20
9. Question
1 pointsIf 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same istotope will be __________ days.
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Question 10 of 20
10. Question
1 points__________ nuclear reactor does not require a heat exchanger to supply steam to power turbine.
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Question 11 of 20
11. Question
1 pointsRadioactive decay is a __________ change.
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Question 12 of 20
12. Question
1 pointsA moderator __________ the neutrons.
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Question 13 of 20
13. Question
1 pointsThorium can be converted into U-233 in a __________ reactor.
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Question 14 of 20
14. Question
1 pointsNuclear fuel complex, Hyderabad is engaged in the job of
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Question 15 of 20
15. Question
1 pointsWhich is a fertile nuclear fuel ?
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Question 16 of 20
16. Question
1 pointsThe time required for half of the __________ of a radioactive isotope to decay is called its half life.
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Question 17 of 20
17. Question
1 pointsWhich one is different for the neutral atoms of the isotopes of an element ?
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Question 18 of 20
18. Question
1 points__________ moderator is used in a fast breeder reactor.
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Question 19 of 20
19. Question
1 pointsThe velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.
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Question 20 of 20
20. Question
1 pointsThermal shield is used in high powered nuclear reactors to
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Nuclear Power Engineering MCQ 3
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Question 1 of 20
1. Question
1 pointsThe half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
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Question 2 of 20
2. Question
1 pointsGraphite is used in nuclear reactor as
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Question 3 of 20
3. Question
1 pointsThe half life period of a radioactive element depends on its
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Question 4 of 20
4. Question
1 points__________ have the same mass number, but different nuclear charge.
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Question 5 of 20
5. Question
1 pointsWhich one is radioactive in nature ?
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Question 6 of 20
6. Question
1 pointsThe most commonly used nuclear fuel in boiling water reactor is
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Question 7 of 20
7. Question
1 pointsNuclides having the same atomic numbers are termed as
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Question 8 of 20
8. Question
1 pointsA fertile material is the one, which can be
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Question 9 of 20
9. Question
1 pointsFast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material).
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Question 10 of 20
10. Question
1 pointsEnrichment of uranium is done to increase the concentration of __________ in the natural uranium.
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Question 11 of 20
11. Question
1 pointsAtoms with same number of neutrons, but different number of nucleons are called
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Question 12 of 20
12. Question
1 pointsWhich of the following ores contains maximum percentage of uranium ?
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Question 13 of 20
13. Question
1 pointsUranium ore is currently mined & concentrated at
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Question 14 of 20
14. Question
1 pointsEmission of β-particles during radioactive decay of a substance is from
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Question 15 of 20
15. Question
1 pointsPercentage of U-238 in natural uranium is around
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Question 16 of 20
16. Question
1 pointsFuel for a nuclear reactor (thermal) is
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Question 17 of 20
17. Question
1 pointsA fast breeder reactor employs
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Question 18 of 20
18. Question
1 pointsThe first underground nuclear test was conducted by India at
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Question 19 of 20
19. Question
1 pointsMain source of __________ is monazite sand.
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Question 20 of 20
20. Question
1 pointsA radioactive isotope undergoes decay with respect to time following __________ law.
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Nuclear Power Engineering MCQ 4
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Question 1 of 20
1. Question
1 pointsAtoms of U-238 and U-235 differ in structure by three
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Question 2 of 20
2. Question
1 pointsWhich of the following nuclear materials is fissile ?
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Question 3 of 20
3. Question
1 pointsExtraction of uranium from its ore is done using __________ methods.
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Question 4 of 20
4. Question
1 pointsThe main ore of uranium is
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Question 5 of 20
5. Question
1 pointsFunction of control rod in a nuclear reactor is to control
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Question 6 of 20
6. Question
1 pointsThe ratio of neutrons to protons of an element having a mass number and atomic number of 80 and 40 respectively is
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Question 7 of 20
7. Question
1 pointsFast breeder reactors are most usable in India, because of our largest __________ deposits.
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Question 8 of 20
8. Question
1 points“Critical mass” is the minimum mass of nuclear fissile material required for the
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Question 9 of 20
9. Question
1 pointsCritical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.
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Question 10 of 20
10. Question
1 pointsThe main ore of thorium is
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Question 11 of 20
11. Question
1 pointsUnit of radioactivity is
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Question 12 of 20
12. Question
1 pointsCoolant present in the primary circuit of a pressurised water reactor is high pressure
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Question 13 of 20
13. Question
1 pointsFirst experimental observation of nuclear fission was done by
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Question 14 of 20
14. Question
1 pointsU-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about __________ percent.
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Question 15 of 20
15. Question
1 pointsThe half life period of a radiactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm.
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Question 16 of 20
16. Question
1 pointsNucleus of tritium has __________ neutrons.
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Question 17 of 20
17. Question
1 pointsPercentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand) is
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Question 18 of 20
18. Question
1 pointsCommercial power generation from fusion reactor is not yet possible, because
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Question 19 of 20
19. Question
1 pointsCandu reactor is a __________ nuclcear reactor.
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Question 20 of 20
20. Question
1 pointsWhich of the following is a non-fissile material ?
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