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Ch.5 ASNT Study Guide: Industrial Radiography Radiation Safety Exam / Revised Questions and Answers / Sure A
A specific gamma ray constant can be stated as: - a. dose rate per curie at a specific distance 
At a dose rate of 60 mRh/ (600 uSv/h), 1 h of exposure would be? - d. 60 mR (600 uSv) 
If the radiographer has 100 mR/h at 25 ft (1000 uSv at 7.63 m), the exposure rate at 50 ft (15.24 m) 
would be ____________ with 1 half- value layer of shielding between the radiographer and the source. - 
b. 12.5 mR per hour 
If you have 73 Ci of Co-60, your exposure rate at 2 ft (0.6 m) from the source would be? ...