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144 Cards in this Set
- Front
- Back
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What are negative charged particle that have the same mass of proton and charge -1 as an electron and can be considered high speed electrons? |
Beta particles |
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Gamma rays are a type of ____? |
Electromagnetic Radiation |
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What is the best shielding for Beta? |
Plastic,glass,safety glass,aluminum |
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What lysosomes do in cell? |
Digestive |
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What is the LD 50/30 dose? |
3-5 gray or 450Rad |
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What is the difference between Stochastic and Non-Stochastic effects? |
Stochastic =no threshold Non-Stochastic=threshold |
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What is an example of Stochastic effect? |
Cancer |
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What is Acute dose? |
Lot of dose in short time |
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What are examole of time saving methods? |
Prejob, mockup |
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What is an example of distance to reduce exposure? |
Remote observation with camera |
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What type of control Is containment? |
Engineering |
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When responding to CAM alarm, when is it necessary to don fresh air hood instead of a respirator? |
When the cpm are steady increasing on the chart recorder |
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What is the minimum posting when responding to CAM alarm? |
CA/ARA |
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When responding to ARM alarm, what is the first thing you do after you probe personnel in the area for contamination? |
Check their EPD |
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What is the purpose of Chi Squared test? |
Determine the precision of a counting system |
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What is the danger of finely dispersed Plutonium? |
Spontaneously ignite |
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Who approve the method for secure a HRA? |
RP Facility Manager |
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What do you post an area where there is potential for dose exceeded 100mRem/HR? |
HRA |
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What dosimetry would you wear in facility with neutron? |
912 TLD |
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What is the best method for protecting against Tritium intake? |
Butyl Gloves |
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When you have someone alarm the PCM, and have confirmed it to be real, who do you notify? |
Line Shift Manager and RP Manager |
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What is the maximum dose rate for an open sided shipment? |
200mRem/hr |
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What type of cell is the most radiosensitive? |
Red Bone Marrow |
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What is DOE limit for whole body dose? |
5Rem |
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What is DOE limit for saving major property? |
10Rem |
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Biological half life and what are two natural mechanisms that reduce the quantity of a radionuclide in the body? |
Radioactive Decay |
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What type of agent that removes radioactive material by speeding up the elimination of sodium and water through the body? |
Diuretic |
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What is the quantity of a single radionuclide which if inhaled or ingested would irradiate a person represented by reference man (Crp publication 23) to the limiting value for control of the workplace? |
ALI annual limit on intake |
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What is the Mass Attenuation Coefficient? |
The quantity obtained by dividing the Linear Attenuation Coefficient by the Physical Density |
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What is the E stands for in 6CEN? |
Energy in MeV |
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What is an accessible area containing small, discrete, highly radioactive particles capable of producing an equivalent dose to the Skin or Extremity of 100mRem or greater in 1 hour? |
Hot Particle Area |
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What is it called when the total mass of the atom is less than the sum of the masses of the individual protons and neutrons? |
Mass Defect |
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What is the Average energy deposited in an absorber resulting from a charged particle per unit of distance travel? |
LET |
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What is the time from the initial pulse until another pulse can be produced? |
Dead time |
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What is a method of measuring radiation emanating from the body? |
In Vivo bioassay |
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Visitors or members of public cannot enter which type of area? |
VHRA |
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An incident where respirator protection would be required is ____? |
When breaching a system that could result in a release of airborne activity. |
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What is the Density thickness for Lens of the Eye? |
300mg/cm2 |
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ALARA philosophy is ____? |
1) The cautious assumption that a proportional relationship exists between dose and effect for ALL doses 2) The linear model states that the less exposure a worker receives, the less chance that the worker will receive harmful biological effect. |
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Gas Amplification Curve |
Rest in peace little gray cat (order) |
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What region of amplification curve where Only primary ion pairs are collected and the output is Low? |
Ion Chamber |
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What is the purpose of Alpha Discriminator? |
To rule out Beta pulse |
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How does a BF3 tube detect neutron? |
The neutron slows down in the sphere of the Rem ball, interacts with Boron 10 which absorbs the neutron and emits alpha particle which is detected |
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The FCC and DOE restrict what type of communication? |
Obscene/ indecent / profane language |
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What is the definition of work? |
A force acting through a distance |
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Who should the source control custodian notify if they lose a source? |
RP Manager |
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Where can you find if a source is accountable? |
10CFR835 |
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What have the same atomic number(same element) but different atomic mass number? |
Isotope |
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What deconning agent has to be approved before use? |
Go Jo hand cleaner |
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Radiography is what source of radiation? |
Gamma |
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What would be in an emergency kit in your facility? |
Dosimetry |
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What is a solid or liquid suspended in a medium? |
Particulate |
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In a chemical reaction AZX, what letter represent the name of the element? |
X |
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What does I stands for in SWIMS? |
Isolate the area |
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What type of radiation does RO7 with BM and BH detectors measure? |
Beta and Gamma |
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Protective clothing is required in what areas? |
CA/HCA/ARA |
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A site that is said for any reason to contain dangerous waste, hazardous waste and/or radioactive waste is what? |
A Suspected Waste Site |
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What are the limitations of the Pressure Demand and Demand SCBA? |
Should be selected for emergency use, rescue and escape |
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What is a transport which occurs only within the area covered by a facility authorization basis or within an area fence? |
Movement |
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What is a test to determine any mask leakage usually using irritant smoke ("Go/no Go test but no value is assigned")? |
Qualitative Fit Test |
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You are transporting a rad waste bag from a CA in H area to the E area Burial Grounds. What type of survey is required? |
Conditional Release |
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How long can RP act as posting? |
8 hours |
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What type of energy holds the nucleus together and equal to mass defect? |
Binding Energy |
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What is example of plane source? |
Spill |
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What is moderator for neutron? |
Water |
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What is the process of making a stable element radioactive with neutron bombardment? |
Neutron Activation/Radiative Capture |
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Which component of the nucleus regulates salt, water, and organic matter? |
Cell Membrane |
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A nuclide is defined as? |
An atom with specific combination of neutron and proton |
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What is the number of ion pair per unit path length? |
Specific Ionization. |
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What are components of TLD reader? |
Heater, photomultiplier tube, meter/reader. |
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What are the point scatter around the mean? |
Variance |
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Which is the following action Not performed during respirator quantitative test? |
Blowing |
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What is the only respiratory protection allows in IDLH? |
SCBA |
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What taken into consideration when setting up a representative air sample? |
Concentration in the line |
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Which cell is more radiosensitive? |
Well-nourished |
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What is the weighted average of the isotopic masses of an element based on the percent of abundance? |
Atomic weight |
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How element arrange in periodic table? |
In order of increase atomic number |
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Which internal emitter abundance in man? |
K40 |
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What is property of includes emits radiation to achieve stability? |
Radioactivity |
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What is criticality control for Uranium? |
Container spacing |
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What is the process of remove electron and leaves a positive atom and an electron? |
Ionization |
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How to set a whole body dose rate with Low energy photon? |
Open window @30cm |
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Who is responsible for conducting pre-job briefing? |
Lead work group supervisor |
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A becquerel is? |
1 dps |
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Which gamma interaction results in all or none energy loss? |
Photoelectric effect |
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What should you do with package greater than 100mRem/hr |
Continuously guarded |
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What SRS control level for whole body? |
500mRem/yr |
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DOE/SRS control level for skin and lens of the eyes? |
50Rem/yr for Skin and 15Rem for Lens of the Eyed |
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What fast neutron interaction emits gamma? |
Inelastic |
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What is the probability of a photon interaction per unit path length? |
Linear Attenuation Coefficient |
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What is reference man? |
Physical make up of an average man |
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What are the compounds that act on insoluble compounds to form a stable complex ion then be removed by the kidneys? |
Cheating Agent |
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What type of detector in ASP-1? |
Proportional |
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What 1 gray and 1sievert? |
1 gray=100Rad 1 Sievert=100Rem |
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Beta decay |
AZX---➡AZ-1Y+Beta+neutrino |
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DOE limit for saving large population? |
25Rem |
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What is the Alara linear model? |
The less exposure, the less effect |
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An compactor planet probing 20000Dpm alpha, 100000Dpm Beta-gamma, what you do? |
Contact rpd Flm. Calculate Dac, Dac-hr |
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A worker expose to 9.5 dac-hr. What total whole body exposure? |
23.75 |
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What is characteristic of rb87? |
Beta emitter |
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You are wearing fu'll face respirator, at what point should you wear supplied air respirator? |
20000 alpha, 1e6 beta-gamma |
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What x and y axis called? |
X= abcissa Y= ordinate |
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What is basic measurement for English system? |
Foot |
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What is mass number? |
Total neutron+proton |
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What is CF for alpha on an area 80cm in size for Sirim report? |
3 |
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What highest range of Teletector? |
1000R/hr |
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The coordinate is (2,1). What axis 2 is on? |
X |
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What is the order of operation? |
Please Excuse My Dear Aunt Sally. Paretheses, Exponent, Multiply, Divide, Add, Subtract |
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What is DOE and SRS limits for declared pregnant worker? |
500mRem entire gestation Not exceeding 50 mRem/month |
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What is control limit for member of the public? |
100mRem/yr |
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What is Atomic Number? |
Number of protons or Z |
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What is Mass Number? |
Total number of neutrons+protons |
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What is Atomic Mass? |
Atomic Mass is the AMU is the actual Mass expressed in AMU. |
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What gamma interaction needs energy of 1.02MEV to occur? |
Pair production |
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What gamma interaction with partial energy loss? |
Compton |
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What interaction that gamma using all energy? |
Photoelectric |
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What are 3 useful regions? |
PIG |
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3 stages of acute radiation syndrome? |
Hematopoetic: 200-1000rad Gastro: 1000-5000 CNS: >5000Rad |
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What is eomitted when Boron absorbing a neutron? |
Alpha |
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What is Hot Spot? |
100mrem/HR 5xGA |
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What instrument use excitation? |
Alpha Ludlum ac3 |
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What advantage of ion chamber? |
Portable power |
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What is vhra? |
>500Rad/HR@100cm |
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RBA |
Provide secondary boundary to minimize spread of contamination and dose <100mrem/yr |
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Sirim Report |
Area >100cm2---multiply 110 by 50 and ac3 by 4. Area <100cm2but>50cm2 ---multiply 110 by 25 and ac3 by 3. |
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Effective halflife |
Combination of biological elimination and physical decay |
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Dac |
Ali divided by v of air /year |
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Cell components |
Cytoplasm: jelly Mitochodria: power Lysosome: digestive enzymes Neucleus: most sensitive DNA center of control |
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Range |
Averag distance travel in a medium |
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Stopping power |
Aaverage energy loss per distance |
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W |
Amount energy needed to create 1 ion pair. |
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How you report ro20 smear? |
mRad/HR/100cm2 |
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What is OSIC? |
Onsite in Commerce ship on plant but cross 125 |
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What requirements for walk down in inactive CA? |
RWP, waste laundry step off pad doffing instruction. Survey only area . if work, then survey entire area. |
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If rnth suspected what should be done for releasing? |
Clear Pcm twice Item PHA |
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Hot spot nono |
Not posted in area >1R |
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Half Ten Values |
I=Io(1/2)^n n=Thickness/HVL or TVL |
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Resolving time |
Measurable pulse to next pulse by electronic |
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Recovery time |
Full size to next full size by detector |
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Dead time |
Initial pulse to another pulse produced in the detector |
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The process of raising electron to higher state |
Excitation |
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Ion pairs produce by charged particle per unit distance |
Specific Ionization |
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Energy locally deposited per unit distance |
Let |
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Let is used or what? |
Weighing factors |
