EO: 1.1 – 1.9 FUN 1 EO: 1.1 FUN 1 EO: 1.2 FUN 1 EO: 1.3 FUN 1 EO: 1.4 FUN 1 EO: 1.5 FUN 1 EO: 1.6 FUN 1 EO: 1.7 & 1.8 FUN 1 EO: 1.9 EO: 1.10 – 1.19 FUN 1 EO: 1.10 FUN 1 EO: 1.11 FUN 1 EO: 1.12 FUN 1 EO: 1.13 FUN 1 EO: 1.14 FUN 1 EO: 1.15 FUN 1 EO: 1.16 FUN 1 EO: 1.17 FUN 1 EO: 1.18 FUN 1 EO: 1.19 EO: 1.20- 1.30 FUN 1 EO: 1.20 FUN 1 EO: 1.21 & 1.22 FUN 1 EO: 1.23 & 1.24 FUN 1 EO: 1.25 FUN 1 EO: 1.26 FUN 1 EO: 1.27 FUN 1 EO: 1.28 FUN 1 EO: 1.29 & 1.30 EO: 1.31- 1.39 FUN 1 EO: 1.31 & 1.32 FUN 1 EO: 1.33 & 1.34 FUN 1 EO: 1.35 & 1.36 FUN 1 EO: 1.37 FUN 1 EO: 1.38 FUN 1 EO: 1.39 EO: 1.40- 1.49 FUN 1 EO: 1.40 FUN 1 EO: 1.41 FUN 1 EO: 1.42 FUN 1 EO: 1.43 FUN 1 EO: 1.44 FUN 1 EO: 1.45 & 1.46 FUN 1 EO: 1.47 FUN 1 EO: 1.48 FUN 1 EO: 1.49 EO: 1.50- 1.62 FUN 1 EO: 1.50 FUN 1 EO: 1.51 FUN 1 EO: 1.52 FUN 1 EO: 1.53 FUN 1 EO: 1.54 FUN 1 EO: 1.55 FUN 1 EO: 1.56 FUN 1 EO: 1.57 FUN 1 EO: 1.58 FUN 1 EO: 1.59 FUN 1 EO: 1.60 FUN 1 EO: 1.61 FUN 1 EO: 1.62 Menu EO: 1.1 – 1.9 FUN 1 EO: 1.1 FUN 1 EO: 1.2 FUN 1 EO: 1.3 FUN 1 EO: 1.4 FUN 1 EO: 1.5 FUN 1 EO: 1.6 FUN 1 EO: 1.7 & 1.8 FUN 1 EO: 1.9 EO: 1.10 – 1.19 FUN 1 EO: 1.10 FUN 1 EO: 1.11 FUN 1 EO: 1.12 FUN 1 EO: 1.13 FUN 1 EO: 1.14 FUN 1 EO: 1.15 FUN 1 EO: 1.16 FUN 1 EO: 1.17 FUN 1 EO: 1.18 FUN 1 EO: 1.19 EO: 1.20- 1.30 FUN 1 EO: 1.20 FUN 1 EO: 1.21 & 1.22 FUN 1 EO: 1.23 & 1.24 FUN 1 EO: 1.25 FUN 1 EO: 1.26 FUN 1 EO: 1.27 FUN 1 EO: 1.28 FUN 1 EO: 1.29 & 1.30 EO: 1.31- 1.39 FUN 1 EO: 1.31 & 1.32 FUN 1 EO: 1.33 & 1.34 FUN 1 EO: 1.35 & 1.36 FUN 1 EO: 1.37 FUN 1 EO: 1.38 FUN 1 EO: 1.39 EO: 1.40- 1.49 FUN 1 EO: 1.40 FUN 1 EO: 1.41 FUN 1 EO: 1.42 FUN 1 EO: 1.43 FUN 1 EO: 1.44 FUN 1 EO: 1.45 & 1.46 FUN 1 EO: 1.47 FUN 1 EO: 1.48 FUN 1 EO: 1.49 EO: 1.50- 1.62 FUN 1 EO: 1.50 FUN 1 EO: 1.51 FUN 1 EO: 1.52 FUN 1 EO: 1.53 FUN 1 EO: 1.54 FUN 1 EO: 1.55 FUN 1 EO: 1.56 FUN 1 EO: 1.57 FUN 1 EO: 1.58 FUN 1 EO: 1.59 FUN 1 EO: 1.60 FUN 1 EO: 1.61 FUN 1 EO: 1.62 EO: 1.1 – 1.9 FUN 1 EO: 1.1 FUN 1 EO: 1.2 FUN 1 EO: 1.3 FUN 1 EO: 1.4 FUN 1 EO: 1.5 FUN 1 EO: 1.6 FUN 1 EO: 1.7 & 1.8 FUN 1 EO: 1.9 EO: 1.10 – 1.19 FUN 1 EO: 1.10 FUN 1 EO: 1.11 FUN 1 EO: 1.12 FUN 1 EO: 1.13 FUN 1 EO: 1.14 FUN 1 EO: 1.15 FUN 1 EO: 1.16 FUN 1 EO: 1.17 FUN 1 EO: 1.18 FUN 1 EO: 1.19 EO: 1.20- 1.30 FUN 1 EO: 1.20 FUN 1 EO: 1.21 & 1.22 FUN 1 EO: 1.23 & 1.24 FUN 1 EO: 1.25 FUN 1 EO: 1.26 FUN 1 EO: 1.27 FUN 1 EO: 1.28 FUN 1 EO: 1.29 & 1.30 EO: 1.31- 1.39 FUN 1 EO: 1.31 & 1.32 FUN 1 EO: 1.33 & 1.34 FUN 1 EO: 1.35 & 1.36 FUN 1 EO: 1.37 FUN 1 EO: 1.38 FUN 1 EO: 1.39 EO: 1.40- 1.49 FUN 1 EO: 1.40 FUN 1 EO: 1.41 FUN 1 EO: 1.42 FUN 1 EO: 1.43 FUN 1 EO: 1.44 FUN 1 EO: 1.45 & 1.46 FUN 1 EO: 1.47 FUN 1 EO: 1.48 FUN 1 EO: 1.49 EO: 1.50- 1.62 FUN 1 EO: 1.50 FUN 1 EO: 1.51 FUN 1 EO: 1.52 FUN 1 EO: 1.53 FUN 1 EO: 1.54 FUN 1 EO: 1.55 FUN 1 EO: 1.56 FUN 1 EO: 1.57 FUN 1 EO: 1.58 FUN 1 EO: 1.59 FUN 1 EO: 1.60 FUN 1 EO: 1.61 FUN 1 EO: 1.62 Menu EO: 1.1 – 1.9 FUN 1 EO: 1.1 FUN 1 EO: 1.2 FUN 1 EO: 1.3 FUN 1 EO: 1.4 FUN 1 EO: 1.5 FUN 1 EO: 1.6 FUN 1 EO: 1.7 & 1.8 FUN 1 EO: 1.9 EO: 1.10 – 1.19 FUN 1 EO: 1.10 FUN 1 EO: 1.11 FUN 1 EO: 1.12 FUN 1 EO: 1.13 FUN 1 EO: 1.14 FUN 1 EO: 1.15 FUN 1 EO: 1.16 FUN 1 EO: 1.17 FUN 1 EO: 1.18 FUN 1 EO: 1.19 EO: 1.20- 1.30 FUN 1 EO: 1.20 FUN 1 EO: 1.21 & 1.22 FUN 1 EO: 1.23 & 1.24 FUN 1 EO: 1.25 FUN 1 EO: 1.26 FUN 1 EO: 1.27 FUN 1 EO: 1.28 FUN 1 EO: 1.29 & 1.30 EO: 1.31- 1.39 FUN 1 EO: 1.31 & 1.32 FUN 1 EO: 1.33 & 1.34 FUN 1 EO: 1.35 & 1.36 FUN 1 EO: 1.37 FUN 1 EO: 1.38 FUN 1 EO: 1.39 EO: 1.40- 1.49 FUN 1 EO: 1.40 FUN 1 EO: 1.41 FUN 1 EO: 1.42 FUN 1 EO: 1.43 FUN 1 EO: 1.44 FUN 1 EO: 1.45 & 1.46 FUN 1 EO: 1.47 FUN 1 EO: 1.48 FUN 1 EO: 1.49 EO: 1.50- 1.62 FUN 1 EO: 1.50 FUN 1 EO: 1.51 FUN 1 EO: 1.52 FUN 1 EO: 1.53 FUN 1 EO: 1.54 FUN 1 EO: 1.55 FUN 1 EO: 1.56 FUN 1 EO: 1.57 FUN 1 EO: 1.58 FUN 1 EO: 1.59 FUN 1 EO: 1.60 FUN 1 EO: 1.61 FUN 1 EO: 1.62 FUN 1 EO: 1.21 & 1.22 1 / 10 What is the TVL for Co-60 gamma rays in water? 4” 1.57” 24” 0.49” 2 / 10 What is one half-value layer (HVL) defined as? The amount of radiation absorbed by one centimeter of lead. The ratio of radiation absorbed to the total emitted by a source. The amount of shielding material required to reduce the radiation intensity to one-half of the unshielded value. The thickness of material required to double the radiation intensity. 3 / 10 What is the definition of the buildup factor? The amount of radiation absorbed by a specific substance. The level of radiation intensity required to penetrate a medium. The rate at which radiation dissipates through a shield. The ratio of the total photons at a point to the number arriving there without being scattered. 4 / 10 What is the HVL for Co-60 gamma rays in concrete? 2.38” 0.85” 4” 1.57” 5 / 10 What is the HVL for Co-60 gamma rays in lead? 8” 2.71” 0.49” 24” 6 / 10 What is the TVL for Co-60 gamma rays in steel? 24” 0.49” 2.71” 8” 7 / 10 What is the thickness of lead required to reduce the exposure rate from a 450 mR/hr Co-60 source to less than 5 mR/hr, given one TVL for Co-60 and lead is 4.0 cm? 1.95 TVL 4 cm 7.8 cm 5 mR/hr 8 / 10 In thick shielding, what do you have to account for due to the scattering of radiation in the absorber? Penetration factor Dissipation factor Buildup factor Decay factor 9 / 10 When shielding a 500 mR/hr Cs-137 source with 5 cm of lead, and HVL for Cs-137 and lead is 0.65 cm, what is the final dose rate? 0.65 cm 104 mR/hr 7.5 R/hr 2.4 mR/hr 10 / 10 What is one tenth-value layer (TVL) defined as? The amount of radiation absorbed by one meter of concrete. The thickness of material required to multiply the radiation intensity by ten. The fraction of radiation that escapes a specific medium. The amount of shielding material required to reduce the radiation intensity to one-tenth of the unshielded value. Your score is Share your results with your friends!! LinkedIn Facebook Twitter VKontakte Restart quiz PreviousFUN 1 EO: 1.21 & 1.22Next
