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NT 114 Review Quiz 9

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Quiz on NT 114 Review Quiz 9 , created by Ron Macatangay on 05/06/2018.
Ron Macatangay
Quiz by Ron Macatangay, updated more than 1 year ago
Ron Macatangay
Created by Ron Macatangay almost 6 years ago
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Resource summary

Question 1

Question
When frisking yourself, after exiting a contamination area, how fast do you move the frisker probe?
Answer
  • 1" per minute
  • 1/2" per minute
  • 1/2" per second
  • 2" per second

Question 2

Question
When frisking yourself for beta/gamma contamination, after exiting a contamination area, how close do you hold the frisker probe to the surface being frisked?
Answer
  • 1 in
  • 3/4 in
  • 1/2 in
  • 1/4 in

Question 3

Question
When wearing full protective clothing, where do you locate secondary monitoring device (SMD)?
Answer
  • In the coverall pocket
  • On your lanyard
  • On the wrist
  • On your belt

Question 4

Question
When frisking personnel, how many CPM above background is typically considered a minimum level of contamination?
Answer
  • 500 CPM
  • 300 CPM
  • 200 CPM
  • 100 CPM

Question 5

Question
Which of the below listed dosimetry devices is a Primary Monitoring Device (PMD)?
Answer
  • Frisker
  • Electronic Dosimeter (ED)
  • Pocket Ion Chamber (PIC)
  • Thermo-Luminescent Dosimeter (TLD)

Question 6

Question
A person's dose margin is how much radiation dose a person may be allowed to receive before exceeding an administrative dose limit.
Answer
  • True
  • False

Question 7

Question
Any Rad Worker, by virtue of their training, may post radiological areas and/or move radiological postings.
Answer
  • True
  • False

Question 8

Question
What type of radiation does protective clothing protect you from?
Answer
  • Beta and Gamma
  • All Types
  • Alpha
  • None of these

Question 9

Question
When wearing full PCs, workers may not choose to wear latex gloves instead of rubber gloves.
Answer
  • True
  • False

Question 10

Question
When removing protective clothing (hood, coveralls, cloth glove liner, rubber gloves, shoe covers, rubber overshoes), which one of the following items is removed first?
Answer
  • Rubber overshoes
  • Gloves
  • Hood

Question 11

Question
When donning a single set of protective clothing, what is the correct position of the shoe cover (bootie)?
Answer
  • Under the coverall pant leg
  • Over the coverall pant leg

Question 12

Question
After exiting a Contamination Area, what type of survey should you perform to determine whether or not you have contamination on you?
Answer
  • Internal contamination survey
  • Airborne survey
  • Indirect survey
  • Direct survey

Question 13

Question
It is not common practice in the industry for a PC hood and surgeon's cap (skull cap) to be used interchangeably, based on the preference of the wearer.
Answer
  • True
  • False

Question 14

Question
What level of protective clothing is typically required for Rad Workers in a Contamination Area?
Answer
  • Scrubs
  • Full PCs
  • Partial PCs
  • Double PCs

Question 15

Question
When using protective clothing, the order in which you remove them is more important than the order in which you put them on.
Answer
  • True
  • False

Question 16

Question
What level of protective clothing is typically required for Rad Workers in High Contamination Area?
Answer
  • Scrubs
  • Full PCs
  • Partial PCs
  • Double PCs

Question 17

Question
When using a frisker (count rate meter), to detect personnel contamination, what is the maximum background count rate in which the instrument should be used?
Answer
  • 100 CPM
  • 200 CPM
  • 300 CPM
  • 500 CPM

Question 18

Question
What are the standard units of measure for radioactive contamination on surfaces?
Answer
  • uCi/cc
  • uCi/100cm2
  • DPM/100cm2
  • CPM/100cm2

Question 19

Question
A smear typically represents an area of approximately:
Answer
  • 100,000 cm2
  • 1000 cm2
  • 100 cm2
  • 10cm2

Question 20

Question
You are working in a room within the RCA. You see what appears to be white powder on the valve bonnet. You should think:
Answer
  • Neutron emitters may be present
  • It is residue from stem packing
  • It is likely contaminated
  • It may be cocaine

Question 21

Question
When taking contamination surveys, smears typically be taken on floors and on equipment, pipes, or structures.
Answer
  • True
  • False

Question 22

Question
Background radiation dose is never subtracted before recording dose rate readings on the survey map.
Answer
  • True
  • False

Question 23

Question
What instrument data is typically recorded on a contamination survey map?
Answer
  • ID number
  • Calibration data
  • 10% of low scale
  • Response check date

Question 24

Question
When documenting a "general area" dose rate survey instrument reading on a survey map, what units are written on the map next to the reading?
Answer
  • Rem/hr
  • mR/hr
  • R/hr
  • None

Question 25

Question
An asterisk on the radiation survey map indicates what?
Answer
  • Hot Spot
  • Beta Reading
  • Contact Reading
  • Neutron Reading

Question 26

Question
Which of the following situations would likely involve beta radiation?
Answer
  • A "hot spot" survey of an elbow on a pipe containing reactor coolant?
  • A routine "general area" survey of a heat exchanger room in the RCA
  • A "general area" radiation survey in the reactor building of BWR immediately after reactor shutdown.
  • A radiation survey of a reactor coolant ion exchanger resin spill in the rad waste building

Question 27

Question
Name four things you should always do prior to using a radiation detection instrument for assessing radiological contamination. a[blank_start].[blank_end] b[blank_start].[blank_end] c[blank_start].[blank_end] d[blank_start].[blank_end]
Answer
  • Battery Check
  • Calibration Check
  • Integrity Check
  • Response Check
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