Practice Exam #1 36-47

Question 1

Name the statement that best describe neutron activation that occurs in a nuclear power plant?

Answer 1

Corrosion of small particles from the reactor coolant system are exposed to high neutron flux and become unstable or radioactive.

Question 2

What best describes fission products?

Answer 2

Radionuclides that originate inside the nuclear fuel but leak out through small defects.

Question 3

Corrosion products and fission products can be deposited in low flow areas in bends of pipes and valves resulting in which of the following?

Answer 3

Increase in dose rates and Development of “hot spots”

Question 4

Name the three following plant components that are considered a source of radiation exposure?

Answer 4

1. Reactor coolant system pipes and valves
2. Reactor vessel
3. Radioactive gas waste processing system

Question 5

An element with an atomic number greater than that of uranium, and typical decays by the emission of an alpha particle, is called ____________?

Answer 5

Transuranic

Question 6

A curie is a measure of radioactivity and is defined as ____________ disintegrations per minute.

Answer 6

1000

Question 7

One Becquerel is equal to 1000 disintegration per second. True or False?

Answer 7

False

Question 8

What is the best description of a Rad (radiation absorbed dose)?

Answer 8

Amount of energy from any type of ionizing radiation, that deposits in any medium, so that 1 gram of material absorbs 100 ergs of energy.

Question 9

Rem is used to measure the amount of energy deposited in human tissue. True or False?

Answer 9

True

Question 10

Rem is used to measure dose equivalent, or effective dose. For which two types of ionizing radiation is the dose equivalent the same as the absorbed dose for using the Rem as a measurement?

Answer 10

Beta and Gamma

Question 11

Deep Dose Equivalent (DDE) measures the eye dose at a tissue depth of 300 mg/cm. True or False?

Answer 11

False