Power Plant Engineering Practice Test 5

1. Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec.

2. The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.

3. Which of the following may not need a control rod?

4. Which is the most commonly used nuclear fuel in boiling water reactor?

5. The time taken for a radioactive element to reduce to 50% of its original weight is __________ years if its half-life period is 12 years.

6. Radioactive decay is a ________ change.

7. A fertile material is the one, that can be __________

8. The decrease in the atomic number is not observed in case of __________

9. Emission of β-particles during radioactive decay of a substance is from __________

10. Thorium can be converted into U-233 in a __________ reactor.