Discussion
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- Question
Which one is the radioactive isotope of hydrogen?
Options- A. Deuterium
- B. Ortho-hydrogen
- C. Tritium
- D. None of these
- Correct Answer
- Tritium
- 1. The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be __________ of its original weight.
Options- A. 1/2
- B. 1/4
- C. 1/8
- D. 1/16 Discuss
- 2. Research reactors are normally meant for
Options- A. producing high neutron flux 1012-1013 neutrons/cm2, sec and studying the effect of neutron bombardment on dif ferent materials.
- B. accelerating the neutrons.
- C. power generation.
- D. none of these Discuss
- 3. Which of the following is not, a fertile material?
Options- A. Th-232
- B. U-238
- C. U-233
- D. none of these Discuss
- 4. Which of the following is a moderating material used in nuclear reactor?
Options- A. Graphite.
- B. Cadmium.
- C. Zircalloy (an alloy of zirconium and aluminium).
- D. Stainless steel. Discuss
- 5. The ratio of volume of an atom to that of its nucleus is
Options- A. 1012
- B. 10-12
- C. 10-8
- D. 108 Discuss
- 6. The type of pump used for the recirculation of molten sodium coolant in liquid metal cooled reactor is a/an __________ pump.
Options- A. electromagnetic
- B. reciprocating
- C. centrifugal
- D. volute Discuss
- 7. Tarapur atomic power station
Options- A. has two boiling water reactors of American design.
- B. has an installed capacity of 400 MW.
- C. is the first power reactor in India, which became critical in 1969.
- D. all (a), (b) and (c). Discuss
- 8. Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of
Options- A. segar cones.
- B. muffles for muffle furnaces.
- C. insulating bricks.
- D. crucibles used for melting of high purity metals. Discuss
- 9. Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C.
Options- A. 1380
- B. 1520
- C. 1710
- D. 1915 Discuss
- 10. Chemically, mullite refractories is
Options- A. 3Al2O3.2SiO2
- B. Al2O3
- C. ZrSO4
- D. ThO2 Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: 1/16
Correct Answer: producing high neutron flux 1012-1013 neutrons/cm2, sec and studying the effect of neutron bombardment on dif ferent materials.
Correct Answer: U-233
Correct Answer: Graphite.
Correct Answer: 1012
Correct Answer: electromagnetic
Correct Answer: all (a), (b) and (c).
Correct Answer: crucibles used for melting of high purity metals.
Correct Answer: 1710
Correct Answer: 3Al2O3.2SiO2
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