ASNT STUDY GUIDE: INDUSTRIAL RADIOGRAPHY RADIATION SAFETY QUESTIONS WITH CORRECT ANSWERS|100% verified

ASNT STUDY GUIDE: INDUSTRIAL RADIOGRAPHY RADIATION SAFETY QUESTIONS WITH CORRECT ANSWERS THE SYMBOL (R) MEANS CORRECT ANSWER ROENTGEN The acronym RAD means CORRECT ANSWER radiation absorbed dose The roentgen (R) exposure is measured in CORRECT ANSWER AIR The symbol mR means CORRECT ANSWER milliroentgen One roentgen or 1 R is equal to CORRECT ANSWER 1 milliroentgen The acronym rem stands for CORRECT ANSWER roentgen equivalent man The initialism QF stands for CORRECT ANSWER quality factor The quality factor for X-ray and gamma rays is CORRECT ANSWER 1 The quality factor for alpha (ray) particles is CORRECT ANSWER 1 Activity of radioactive material is measured in CORRECT ANSWER curies Becquerels and curies are units of measurement of: CORRECT ANSWER decay rate Atoms that have excess energy and are unstable are known as CORRECT ANSWER radioactive Elementary particle units with a negative electrical charge and a mass approximately equal to 1/1840 that of a proton are CORRECT ANSWER electrons Positively charged elementary particles swith a mass approximately equal to 1840 times that of an electron, or 1 AMU, are known as CORRECT ANSWER protons Uncharged elementary particles with a mass nearly equal to that of a proton are called CORRECT ANSWER neutrons The area known as the center of an atom is called the CORRECT ANSWER nucleus Any byproduct material that is encased in a capsule designed to prevent leakage or escape of the byproduct material is a: CORRECT ANSWER sealed source