ASNT Industrial Radiography Radiation Safety Questions | 100% Correct Answers | Verified | Latest 2024 Version

In the early years of radiography, what caused personnel to be overexposed? - Poor equipment design, lack of understanding, lack of and poor safety practices. In what year did Marie Curie discover radium? - Late 1898 Who coined the term radioactivity? - Marie and Pierre Curie In the early years of radiography from , the maximum thickness that could be inspected via X-radiation was of steel? - 3" (7.62 cm) Historically, it has been proven that the predominant cause of overexposures is: - Improper surveys, the source being left in an uncontrolled state, the source not being locked once retracted to the shielded position The responsibility to adhere to the regulations, license conditions and company policies falls to: - The radiographer Alpha particles were discovered by: - Henri Becquerel