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- Question
A radioactive substance does not emit
Options- A. ?-ray
- B. proton
- C. position
- D. ?-ray
- Correct Answer
- proton
- 1. 'Light water' used as a coolant in nuclear reactor is nothing but
Options- A. ordinary water.
- B. mildly acidic (pH = 6) water.
- C. mildly alkaline (pH = 8) water.
- D. none of these. Discuss
- 2. Positron is a/an
Options- A. nucleus having two protons.
- B. helium nucleus.
- C. electron with positive charge.
- D. nucleus with one proton and one neutron. Discuss
- 3. The atomic mass of an element is fractional, because
Options- A. of uncertainty principle.
- B. it may have isobars.
- C. it contains neutrons.
- D. it may have isotopes. Discuss
- 4. 75% of a radioactive element decays in 6 hours. Its half life period is __________ hours.
Options- A. 3/4
- B. 1/6
- C. 3
- D. 4 Discuss
- 5. Extraction of uranium from its ore is done by __________ method.
Options- A. chemical
- B. pyrometallurgical
- C. physical beneficiation
- D. electrometallurgical Discuss
- 6. Heavy water plant is not located at
Options- A. Kota and Baroda
- B. Talcher (Orissa)
- C. Tuticorin(Tamilnadu)
- D. Korba Discuss
- 7. Fast breeder test reactor at Kalpakkam is designed for using
Options- A. thorium as a fertile material.
- B. U-238 as a fertile material.
- C. helium as a coolant.
- D. uranium ore directly as a fuel. Discuss
- 8. Nuclear power generation capacity in India is
Options- A. 3000 MW.
- B. 10000 MW.
- C. more than hydroelectric power generation capacity.
- D. more than thermal power generation capacity. Discuss
- 9. Unit of radioactivity is
Options- A. barn
- B. Fermi
- C. Angstrom
- D. Curie Discuss
- 10. Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is
Options- A. 3
- B. 235
- C. 200
- D. 92 Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: ordinary water.
Correct Answer: electron with positive charge.
Correct Answer: it may have isotopes.
Correct Answer: 3
Correct Answer: chemical
Correct Answer: Korba
Correct Answer: thorium as a fertile material.
Correct Answer: 3000 MW.
Correct Answer: Curie
Correct Answer: 3
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