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Module E (Quizlet 4)
Technical Escort - Radiological Operations
| Question | Answer |
|---|---|
| Ionizing radiation definition | Radiation in the form of a particle or pure energy that possesses enough energy to remove an electron from an atom, which includes alpha, beta, neutron and gamma/x-ray |
| Alpha particle definition | Radiation consists of two protons and two neutrons and is identical to the Helium 4 atom minus the 2 electrons |
| Beta particle definition | Radiation is equivalent to a high-energy electron that has been ejected from a nucleus of an atom |
| Neutron particle definition | High speed, very penetrating particles emitted during fission or fusion reactions, causes other elements or material to become radioactive |
| Gamma/X-ray particle definition | A form of electromagnetic radiation, a photon of pure energy |
| What is the Gamma and X-ray difference | Gamma originates within the nucleus and x-ray forms outside the nucleus |
| Geiger Muller tube definition | Ionizing radiation dislodges electron from gas inside tube and electron hits anode to produce a measurable current |
| Scintillation definition | Ionizing radiation strikes a crystal that releases a photon that can be measured |
| Ion chamber definition | Ionizing radiation dislodges electron from gas and electron hits anode to produce a measurable current; chamber is enclosed and affected by pressure |
| What SI unit is equivalent to Curie(CI)? | Becquerrel |
| What SI unit is equivalent to rad? | Gray (Gy) |
| What SI unit equivalent to rem? | Sievert (Sv) |
| What SI unit equivalent to Roentgen (R)? | One does not exist |
| What technology does AN/UDR-13/14 use? | Geiger Muller tube |
| What is the measuring capabilities of the AN/UDR-13? | Measures/displays gamma radiation dose rate 0.001-999 cGy/hr, measures, stores and displays total does from 0-999 cGy and battery life normal is 100 hrs and Sleep mode is 2,000 hrs |
| What is the measuring capabilities of the AN/UDR-14? | Measures/displays gamma radiation dose rate 0.001mGy-999 cGy/hr, measures, stores and displays total does from 0.001mGy--999 cGy and battery life normal is 100 hrs and Sleep mode is 1,000 hrs |
| What are the capabilities of the AN/UDR-13/14? | Auto ranging, designed for use after nuclear event, programmable alarms both audible and/or visual, battery saving function and pre-settable alarm capability for Dose/Dose rate |
| What are the limitations of the AN/UDR-13/14 | Accuracy -+ 20% of true dose and does rate, operates up to 95% humidity, operating temp is -51 to 120 deg F and storage temp is -60 to 160 deg F |
| What technology does AN/VDR-2 use? | Geiger Muller tube |
| What are the capabilities of AN/VDR-2? | Low and high range GM tube, auto ranging, designed for use after nuclear event, programmable alarms both audbile and visual, defaults to rate mode |
Created by:
JeromeTalley
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