NRRPT EXAM WITH CORRECT QUESTIONS AND ANSWERS LATEST UPDATED (100% VERIFIED GRADED A+)
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NRRPT
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NRRPT
NRRPT EXAM WITH CORRECT QUESTIONS AND ANSWERS LATEST UPDATED (100% VERIFIED GRADED A+) Average energy of a positron emitted during positron decay? - Answer 4/10 or 0.4 of the
maximum energy.
1 WLM = ? - Answer 1 rem CEDE
Radiation exposure to miners is regulated by? - Answer 30 CFR
Maximum dos...
Average energy of a positron emitted during positron decay? - Answer 4/10 or 0.4 of the maximum energy. 1 WLM = ? - Answer 1 rem CEDE Radiation exposure to miners is regulated by? - Answer 30 CFR Maximum dose allowed to miners is? - Answer 4 WLM per year A geiger counter has enough voltage to cause? - Answer Secondary electrons with a long range avalanche What type of decay "competes" with positron decay? - Answer Electron capture A gas-filled detector is collecting 100% of the ion pairs produced. It is said to be operating in what region? - Answer Ionization Which laser wavelength is considered a retina hazard for safety purposes? - Answer 400 to 1400 nm To achieve secular equilibrium, which of the following conditions must be met? - Answer Parent half-life >>> Daughter half-life What is the limit for external surface contamination on a DOT package? - Answer 22 dpm/cm^2 NRRPT EXAM WITH CORRECT QUESTIONS AND ANSWERS LATEST UPDATED 2024-2025 (100% VERIFIED GRADED A+) The threshold limit value (TLV) for exposure to radiation from a microwave oven is? - Answer 10 mW/cm^2 Tissue dose from thermal neutrons occurs principally as a result of? - Answer (n, gamma) reactions with hydrogen and (n,p) reactions with nitrogen What are the value(s) for gas amplification factors in ionization chambers? - Answer Equal to 1 What is the clearance time for a particulate traveling through the trachea? - Answer 0.1 hour What is the clearance time for a particulate traveling through the bronchi? - Answer 1.0 hour What is the clearance time for a particulate traveling through the bronchioles? - Answer 4.0 hours What is the clearance time for a particulate traveling through the alveoli? - Answer 10 to 1500+ days In a semi-infinite cloud of gamma-emitting noble gasses, the gamma contribution to the absorbed dose rate can be estimated as? - Answer D = 0.25EX ; D = rads/sec or rem/sec, E = gamma energy (MeV) * yield , X = concentration (uCi/cc) What are the 4 major types of cells in circulating blood? - Answer Erythrocytes, Lymphocytes, Granulocytes, Platelets What are the purpose of erythrocytes? - Answer Oxygen transport to the cells
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