ASNT STUDY QUESTIONS – (INDUSTRIAL RADIOGRAPHY RADIATION SAFETY) |LATEST UPDATE 202526

ASNT STUDY QUESTIONS – (INDUSTRIAL RADIOGRAPHY
RADIATION SAFETY) |LATEST UPDATE 2025\26


Terms in this set (223)


The Symbol R means: c. roentgen


a. rem
b. rad
c. roentgen
d. radiation

The acronym rad means: a. radiation absorbed dose


a.radiation absorbed dose
b. roentgen absorbed dose
c. roentgen acquired dose
d. radiation at death

,The roentgen (R) exposure is d. air
measured in:


a.tissue
b. water
c. a lab
d. air

The symbol mR means: a. milliroentgen


a. milliroentgen
b. microroentgen
c. megaroentgen
d. millirem

One roentgen or 1 R is equal to: b. 1000 milliroentgen


a.100 milliroentgen
b.1000 milliroentgen
c. 0.001 milliroentgen
d. 1 milliroentgen

The acronym rem stands for: d. roentgen equivalent man


a.radiation equivalent man
b. radiation effect man
c. roentgen effect man
d. roentgen equivalent man

,The initialism QF stands for: c. quality factor


a.quantity factor
b. quality frequency
c. quality factor
d. quality effective factor

The quality factor for X-rays and a. 1
gamma rays is:


a.1
b. 2
c. 10
d. 20

The quality factor for alpha (ray) d. 20
particles is:


a. 1
b. 2
c. 10
d. 20

, Activity of radioactive material is a. curies
measured in:


a.curies
b. roentgens
c. sieverts
d. grays

Becquerels and curies are units c. decay rate
of measurement of:


a.physical size of the source
b. gray per hour
c. decay rate
d. roentgen per hour

Atoms that have excess a. radioactive
energy and are unstable are
known as:


a. radioactive
b. radioactivity
c. balanced
d. weighted