REVIEW ANSWERS
A9.
Which of the following terms best describes a
type of survey that is recommended for any
A1.
Nuclear radiation cannot be detected by any
area in which measured radiation dosages
of the five senses. (1) True
exceed predicted levels by more than
25 percent? (3) Detailed survey
A2.
Which of the following is NOT a performance
function of a radiac device. (4) Detect
A10.
A "half-thickness" is defined as the amount
neutron and X-ray radiation
of material necessary to cut down the amount
of radiation to one-half of its original value.
A3.
The AN/PDR-43 unit has three-meter scales.
(1) True
(1) True
A11.
The objective of exposure control is to limit
A4.
What is the maximum amount of time the
the total dose received by individuals from
AN/PDR-65 will operate on fully charged
both internal and external sources and to
batteries? (2) 20 hours
minimize the transfer of contamination into
A5.
The DT-60/PD is a gamma radiation
the interior of the ship. (1) True
dosimeter with a usable range of 10 to 600R.
(1) True
A12.
Exposure rate to gamma radiation is
significantly lower in deep shelter locations
A6.
No hand-held radiac available for military use
because of distances and the structural
will measure both radiation intensity and
material between compartments. (1) True
dose. (1) True
A13.
Radiological decontamination is the physical
A7.
When is on-station monitoring conducted?
removal of the contamination that results
(2) Before cessation of fallout to report
from a nuclear weapon detonation. (1) True
gamma intensities
A14.
What simple hygiene practice reduces the
A8.
Which survey is sometimes referred to as the
ingestion of contamination? (1) Washing
gross external survey? (1) Rapid external
hands
survey
11-17