Practice Test: Question Set - 05
1. The new nucleus formed after β-decay of a radioactive element has
- (A) Less atomic number
- (B) Less atomic weight
- (C) More atomic number
- (D) More atomic weight
2. A control rod
- (A) Should have small absorption cross-section
- (B) Is generally made of boron, hafnium or cadmium
- (C) Should have large absorption cross-section
- (D) Both (b) and (c)
3. Which of the following is a non-fissile material?
- (A) Plutonium-239
- (B) Uranium-235
- (C) Uranium-233
- (D) Thorium-232
4. Which of the following types of nuclear reactors is most prone to radioactive hazards?
- (A) Pressurized water reactor
- (B) Gas cooled reactor
- (C) Molten sodium cooled reactor
- (D) Boiling water reactor
5. Which of the following is not, a fertile material?
- (A) Th-232
- (B) U-238
- (C) U-233
- (D) None of these
6. Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at
- (A) Alwaye (in Kerala)
- (B) Jadugoda (in Jharkhand)
- (C) Kalpakkam (in Tamilnadu)
- (D) Gopalpur coast (in Orissa)
7. Uranium ore is mined & concentrated in India at
- (A) Jadugoda (Jharkhand)
- (B) Kota (Rajasthan)
- (C) Tuticorin (Tamilnadu)
- (D) Talcher (Orissa)
8. Coolant used in a fast breeder reactor is
- (A) Molten sodium
- (B) Heavy water
- (C) Ordinary water
- (D) Helium
9. Nuclear fuel complex, Hyderabad is engaged in the job of
- (A) Manufacture of nuclear fuel elements/assemblies
- (B) Processing of uranium ore
- (C) Treatment of spent fuel
- (D) None of these
10. Hydrogen bomb employs the nuclear fusion of
- (A) Hydrogen
- (B) Deuterium
- (C) Tritium
- (D) Helium
11. Which of the following is a fuel for a fusion reactor (thermonuclear reactor)?
- (A) Deuterium and tritium
- (B) U-233
- (C) Thorium
- (D) Heavy water
12. Nuclear power generation capacity in India is
- (A) 3000 MW
- (B) 10000 MW
- (C) More than hydroelectric power generation capacity
- (D) More than thermal power generation capacity
13. Pressure of CO2 gas (which is a coolant) in the Calder-Hall nuclear reactor is __________ kgf/cm2.
- (A) 0.2
- (B) 7
- (C) 35
- (D) 50
14. How many atoms are present in one gm-atom of an element?
- (A) 2 × 1023
- (B) 6 × 1023
- (C) 6 × 1032
- (D) 5 × 105
15. Which of the following may be used to measure the rate of nuclear disintegration?
- (A) Geiger-Muller Counter
- (B) Cyclotron
- (C) Cold chamber
- (D) Mass spectrograph
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