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WorksheetsRadiation Protection Team 4
Total questions: 25
Worksheet time: 19mins
What type of radiation does the AD-6 detector measure?
γ-X rays
β
Neutrons
α
What is the measuring range of the AD-17 detector?
0.1 μSv/h to 10 mSv/h
0.1 μSv/h to 10 Sv/h
0.01 to 80,000 s-1
10 nSv/h to 100 mSv/h
What is the dose limit for saving equipment in emergency exposure situations at CERN?
50 mSv
250 mSv
100 mSv
500 mSv
What is the SI unit used to measure the amount of radiation energy absorbed per unit mass?
Gray
Rad
Rem
Sievert
How is 'effective dose' defined in the context of radiation exposure?
Measurement of radiation energy absorbed
Risk assessment of radiation exposure
Rate of radioactive decay
Type of radiation emitted
What is the purpose of the DIS dosimeter?
Measure ambient dose rate
Legal proof of annual dose
Detect contamination
Monitor radiation in the environment
What is the maximum dose limit for protecting or saving life in emergency situations?
500 mSv
250 mSv
100 mSv
50 mSv
Which of the following is a characteristic of the operational dosimeter DMC 3000?
Gives direct dose reading
Used for legal proof
Passive dosimeter
Not sensitive to radiation
What is the relationship between distance and dose according to the inverse square law?
Dose increases with distance
Dose decreases with distance
Dose remains constant with distance
Dose is independent of distance
What is the biological dose used for?
Measuring radioactivity
Assessing energy deposition
Evaluating effects on living tissue
Calculating half-life
What is the half-life of Co-60?
5 years
77 days
271 days
53 days
What does the term 'committed effective dose' refer to?
Dose from external exposure
Total absorbed dose
Dose from background radiation
Dose from inhalation or ingestion
What is the purpose of the operational dosimeter?
To measure contamination
To give continuous background dose measurement
To provide legal proof
To assess annual dose
What is the unit for measuring activity in radioactivity?
Gray
Becquerel
Sievert
Curie
How does the tissue weighting factor influence the assessment of radiation exposure risk?
It indicates the type of radiation
It reflects the biological impact on different tissues
It measures the total energy absorbed
It helps in calculating the dose rate
The DMC 3000 will peak it dose rate alarm at which rate?
6 mSv
2 mSv/h
10 mSv
50 µSv
What is the purpose of ventilation filters in radiation protection?
To measure radiation levels
To monitor air quality
To filter radioactive particles
To cool radioactive materials
What is the significance of the half-life in radioactive decay?
It calculates the equivalent dose
It indicates the time for half disintegration
It measures radiation intensity
It determines the absorbed dose
What role does background radiation play in radiation safety assessments?
To provide a reference for normal levels
To identify potential radiation sources
To determine the effectiveness of shielding
To evaluate emergency response protocols
What is the significance of the dose rate in transport classification?
It indicates the hazard level
It determines the type of radiation
It assesses the contamination risk
It measures the absorbed dose
The SAS man should first use the AD-6 upon arrival at the scene.
Why is that so?
Easiest to switch on quickly
Most accurate device for radiation detection
Best Alpha detectiot
Gives background levels (Safety parameter)
You arrive at a car accident involving a RAD package.
What will (usually) be the safest route to advance for reconnaissance?
Towards the front side of the car
Towards one of the sides of the car
towards the backside of the car
Doesn't matter
You see the next sign on a package in the back of a car transporting RAD goods.
What is the dose rate at 1 meter away from the package?
4.5 mSv/h
45 Sv/h
45 μSv/h
45 nSv/h
What's the main risk with dealing with an alpha-emitting source?
Headache after long exposure
Internal Exposure (Inhalation, Ingestion, or Wounds)
Heat exhaustion
Long half-lifes
What's Remus is used for at CERN by the RP team (accessible for the CFRS at the SCR)
Controls CERN's particle acceleration process.
Performs data analysis for physics experiments.
Manages CERN's administrative and HR systems.
Radiation and environmental monitoring system for safety supervision.
