ASNT Study Guide - Industrial Radiography
Radiation Safety Detailed Questions And Expert
Answers 2024
The Symbol R means:
a. rem
b. rad
c. roentgen
d. radiation - ANS c. roentgen
The acronym rad means:
a. radiation absorbed dose
b. roentgen absorbed dose
c. roentgen acquired dose
d. radiation at death - ANS a. radiation absorbed dose
The roentgen (R) exposure is measured in:
a. tissue
b. water
c. a lab
d. air - ANS d. air
The symbol mR means:
a. milliroentgen
b. microroentgen
c. megaroentgen
, d. millirem - ANS a. milliroentgen
One roentgen or 1 R is equal to:
a. 100 milliroentgen
b. 1000 milliroentgen
c. 0.001 milliroentgen
d. 1 milliroentgen - ANS b. 1000 milliroentgen
The acronym rem stands for:
a. radiation equivalent man
b. radiation effect man
c. roentgen effect man
d. roentgen equivalent man - ANS d. roentgen equivalent man
The initialism QF stands for:
a. quantity factor
b. quality frequency
c. quality factor
d. quality effective factor - ANS c. quality factor
The quality factor for X-rays and gamma rays is:
a. 1
b. 2
c. 10
d. 20 - ANS a. 1
The quality factor for alpha (ray) particles is:
, a. 1
b. 2
c. 10
d. 20 - ANS d. 20
Activity of radioactive material is measured in:
a. curies
b. roentgens
c. sieverts
d. grays - ANS a. curies
Becquerels and curies are units of measurement of:
a. physical size of the source
b. gray per hour
c. decay rate
d. roentgen per hour - ANS c. decay rate
Atoms that have excess energy and are unstable are known as:
a. radioactive
b. radioactivity
c. balanced
d. weighted - ANS a. radioactive
Elementary particles units with a negative electrical charge and a mass
approximately equal to 1/1840 that of a proton are:
a. electrons
b. protons
c. neutrons
, d. valence shells - ANS a. electrons
Positively charged elementary particles with a mass approximately equal to
1840 times that of an electron, or 1 AMU, are known as:
a. electrons
b. protons
c. neutrons
d. valence shells - ANS b. protons
Uncharged elementary particles with a mass nearly equal to that of a proton
are called:
a. electrons
b. protons
c. neutrons
d. valence shells - ANS c. neutrons
The area known as the center of an atom is called the:
a. electron
b. nucleus
c. proton
d. neutron - ANS b. nucleus
Any byproduct material that is encased in a capsule designed to prevent
leakage or escape of the byproduct material is a:
a. drum
b. pig
c. sealed source
d. container - ANS c. sealed source
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Schoolflix. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
