Practice Exam #4 34-40

Question 1

When an individual signs in on an RWP he is acknowledging that he has read, understands, and will comply with the requirements of the document. True or False?

Answer 1

True

Question 2

What type of decay is being denoted in the transformation of Radium to Radon, →?

Answer 2

Alpha decay

Question 3

You are responsible for determining actions to lower exposure on the refueling bridge. You notice a source of radiation that is at the surface of the water.

Assuming it to be made of Co-60, how far would you have to lower the object to reduce the dose rates to 1/10 the of the initial value?

Answer 3

24”

Question 4

Which of the following radioactive airborne contaminates cannot be sampled by pulling air through a sample media?

Answer 4

Noble gas

Question 5

Cesium-137 and Cobalt-60 are produced when Uranium-235 absorbs a neutron and fission takes place. This is why they are called fission products. True or False?

Answer 5

False

Question 6

Becquerels (Bg) and Curie (Ci) are both used to measure the intensity of radioactivity.

Which of the following statement is true concerning Becquerels and
Curies?

Answer 6

A. 1 Bg is equal to 1 disintegration per second
B. 3.7 x 1010 Bg is equal to 1 Curie
C. 1 Curie is equal to 2.2 X10 12 disintegration per minute