CEDO Exam Questions with Correct Answers
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What is the output factor for Cobalt
1 2 What is PAD?
60
If there is a lack of penetration in a
3 4 Where are OSLs used
weld the film will be
Don't know?
Terms in this set (61)
, What is PAD? Personal Alarming Dosimeter
Why are Geiger-Muller Simplicity and low cost
counters useful as
monitoring instruments?
- Sufficient range to measure background dose
What are the advantages
- Robust and doesnt require much maintenance
of optically stimulated
- accumulates very high doeses and can be used for
luminescence
longer
How sensitive is a OSL? Can read as low as 1 mrem for gamma or xray
Where are OSLs used Low radiation environments and for pregnant workers
What are the - limited range
disadvantages of DRD ( - doesnt have a permanent record
Direct Reading - can give false readings
Dosimeters)
What are the three types alpha, beta, gamma
of radiation
Who found alpha decay Gamow
the emission of energy as electromagnetic waves or
What is radiation? as moving subatomic particles, especially high-energy
particles that cause ionization.
What unit of measurement Kilo-electron volts (keV) or millions of electron volts
is gamma rays measured (MeV)
What is the output factor 0.15
for Iridium 192
What is the output factor 0.36
for Cobalt 60
what are HVL and TVL Shielding the source
used for?
100% Verified
Save
Practice questions for this set
Learn 1 /7 Study with Learn
0.36
Choose an answer
What is the output factor for Cobalt
1 2 What is PAD?
60
If there is a lack of penetration in a
3 4 Where are OSLs used
weld the film will be
Don't know?
Terms in this set (61)
, What is PAD? Personal Alarming Dosimeter
Why are Geiger-Muller Simplicity and low cost
counters useful as
monitoring instruments?
- Sufficient range to measure background dose
What are the advantages
- Robust and doesnt require much maintenance
of optically stimulated
- accumulates very high doeses and can be used for
luminescence
longer
How sensitive is a OSL? Can read as low as 1 mrem for gamma or xray
Where are OSLs used Low radiation environments and for pregnant workers
What are the - limited range
disadvantages of DRD ( - doesnt have a permanent record
Direct Reading - can give false readings
Dosimeters)
What are the three types alpha, beta, gamma
of radiation
Who found alpha decay Gamow
the emission of energy as electromagnetic waves or
What is radiation? as moving subatomic particles, especially high-energy
particles that cause ionization.
What unit of measurement Kilo-electron volts (keV) or millions of electron volts
is gamma rays measured (MeV)
What is the output factor 0.15
for Iridium 192
What is the output factor 0.36
for Cobalt 60
what are HVL and TVL Shielding the source
used for?
