ACTUAL Exam Questions and 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 - 1000 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-rays and gamma rays is : - CORRECT ANSWER -1
The quality factor for alpha (ray) particles is: - CORRECT ANSWER - 20
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 with 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
A tube through which the radioactive source travels when inside a radiographic exposure device
is a/an: - CORRECT ANSWER - S tube
Survey meters must be calibrated at intervals not to exceed: - CORRECT ANSWER - six
months and/or after instrument servicing except for battery changes
A survey meter must be capable of measuring a range of: - CORRECT ANSWER - 2 to
1000 mR/h (0.02 to 10 mSv/h)
Becquerels and curies are units of measurement of: - CORRECT ANSWER - activity
An analog survey meter must be calibrated on each scale at two points approximately: -
CORRECT ANSWER - 33% and 66% of the scale's potential