Test your knowledge with the 60 quiz questions and answers on the Nuclear Plant Sensors and Detectors.

Nuclear Plant Sensors and Detectors Quiz

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Question 1:

What is the function of the positive electrode in an ion chamber?

A) Release electrons to combine with positive ions.
B) Perform gas quenching to maximize detector sensitivity.
C) Collect the electrons released during gas ionization.
D) Produce ions when exposed to a radiation field.

Question 2:

Which one of the following types of radiation detectors uses a gas volume for radiation detection and will typically produce the weakest output signal if all of the detectors are placed in the same gamma radiation field?

A) Scintillation
B) Geiger-Mueller
C) Ion chamber
D) Proportional counter

Question 3:

Which one of the following contains the pair of radiation detector types that are the most sensitive to low-energy beta and/or gamma radiation?

A) Ion chamber and scintillation
B) Geiger-Mueller and scintillation
C) Ion chamber and proportional
D) Geiger-Mueller and ion chamber

Question 4:

Which one of the following types of radiation is the major contributor to the dose indication on a self-reading pocket dosimeter (SRPD)?

A) Gamma
B) Neutron
C) Beta
D) Alpha

Question 5:

Which one of the following types of radiation detectors is typically the least accurate in determining the dose rate to a human body from an unspecified source of radiation?

A) Geiger-Mueller
B) Scintillation
C) Ion chamber
D) Proportional counter

Question 6:

A fission chamber neutron monitoring instrument is operating in the proportional region.

If a complete loss of fission chamber gas pressure occurs, the instrument indication will fail

A) downscale.
B) as is.
C) to midscale.
D) upscale.

Question 7:

Scintillation detectors convert radiation energy into light by a process known as

A) space charge effect.
B) luminescence.
C) gas amplification.
D) photoionization.

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