14059912
Descripción
Test por Ron Macatangay, actualizado hace más de 1 año
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Creado por Ron Macatangay
hace más de 6 años
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Pregunta 1
Pregunta
When frisking yourself, after exiting a contamination area, how fast do you move the frisker probe?
Respuesta
-
1" per minute
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1/2" per minute
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1/2" per second
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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
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1/2 in
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1/4 in
Pregunta 3
Pregunta
When wearing full protective clothing, where do you locate secondary monitoring device (SMD)?
Respuesta
-
In the coverall pocket
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On your lanyard
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On the wrist
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On your belt
Pregunta 4
Pregunta
When frisking personnel, how many CPM above background is typically considered a minimum level of contamination?
Respuesta
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500 CPM
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300 CPM
-
200 CPM
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100 CPM
Pregunta 5
Pregunta
Which of the below listed dosimetry devices is a Primary Monitoring Device (PMD)?
Respuesta
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Frisker
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Electronic Dosimeter (ED)
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Pocket Ion Chamber (PIC)
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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
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Beta and Gamma
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All Types
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Alpha
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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
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Gloves
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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
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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
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Internal contamination survey
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Airborne survey
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Indirect survey
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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
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Full PCs
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Partial PCs
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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
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Scrubs
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Full PCs
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Partial PCs
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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
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100 CPM
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200 CPM
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300 CPM
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500 CPM
Pregunta 18
Pregunta
What are the standard units of measure for radioactive contamination on surfaces?
Respuesta
-
uCi/cc
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uCi/100cm2
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DPM/100cm2
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CPM/100cm2
Pregunta 19
Pregunta
A smear typically represents an area of approximately:
Respuesta
-
100,000 cm2
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1000 cm2
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100 cm2
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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
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Neutron emitters may be present
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It is residue from stem packing
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It is likely contaminated
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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
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ID number
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Calibration data
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10% of low scale
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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
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Rem/hr
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mR/hr
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R/hr
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None
Pregunta 25
Pregunta
An asterisk on the radiation survey map indicates what?
Respuesta
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Hot Spot
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Beta Reading
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Contact Reading
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Neutron Reading
Pregunta 26
Pregunta
Which of the following situations would likely involve beta radiation?
Respuesta
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A "hot spot" survey of an elbow on a pipe containing reactor coolant?
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A routine "general area" survey of a heat exchanger room in the RCA
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A "general area" radiation survey in the reactor building of BWR immediately after reactor shutdown.
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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.
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Respuesta
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Battery Check
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Calibration Check
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Integrity Check
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Response Check
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