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|  DOE-STD-1162-2003
f.
Describe the operation of a Geiger-Mller (G-M) detector. Include the following
elements in this discussion:
Radiation detection
Quenching
Positive ion sheath
g.
Describe the operation of a scintillation counter. Include the following elements in this
discussion:
Radiation detection
Three classes of phosphors
Photomultiplier tube operation
h.
Describe the operation of a gamma spectrometer. Include the following elements in this
discussion:
Type of detector used
Multichannel analyzer operation
i.
Describe how the following detect neutrons:
Self-powered neutron detector
Wide range fission chamber
Flux wire
10.
Instrumentation and control personnel shall demonstrate a working level knowledge of
nuclear instrumentation.
Supporting Knowledge and/or Skills
a.
Define the following terms:
Signal-to-noise ratio
Discriminator
Analog
Logarithm
Period
Decades per minute (DPM)
Scalar
b.
Describe the operation of the detectors used in each of the following nuclear instrument
applications:
Source range
Intermediate range
Power range
13
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