NT 114 Review Quiz 9

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Test sobre NT 114 Review Quiz 9 , creado por Ron Macatangay el 05/06/2018.
Ron Macatangay
Test por Ron Macatangay, actualizado hace más de 1 año
Ron Macatangay
Creado por Ron Macatangay hace más de 8 años
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Resumen del Recurso

Pregunta 1

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

Pregunta 2

Pregunta
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?
Respuesta
  • 1 in
  • 3/4 in
  • 1/2 in
  • 1/4 in

Pregunta 3

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

Pregunta 4

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

Pregunta 5

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

Pregunta 6

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

Pregunta 7

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

Pregunta 8

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

Pregunta 9

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

Pregunta 10

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

Pregunta 11

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

Pregunta 12

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

Pregunta 13

Pregunta
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.
Respuesta
  • True
  • False

Pregunta 14

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

Pregunta 15

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

Pregunta 16

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

Pregunta 17

Pregunta
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?
Respuesta
  • 100 CPM
  • 200 CPM
  • 300 CPM
  • 500 CPM

Pregunta 18

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

Pregunta 19

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

Pregunta 20

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

Pregunta 21

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

Pregunta 22

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

Pregunta 23

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

Pregunta 24

Pregunta
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?
Respuesta
  • Rem/hr
  • mR/hr
  • R/hr
  • None

Pregunta 25

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

Pregunta 26

Pregunta
Which of the following situations would likely involve beta radiation?
Respuesta
  • 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

Pregunta 27

Pregunta
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]
Respuesta
  • Battery Check
  • Calibration Check
  • Integrity Check
  • Response Check
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