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DOE Core (RCT) Practice Exam Questions and Correct Answers/ Latest Update / Already Graded
Typology: Exams
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Atomic Mass Ans: The Actual Weight Of A Particular Isotope In AMU The Atomic # Is The # Of: Ans: Protons In The Nucleus The Periodic Table Of The Elements Lists All Known Elements In Order Of: Ans: Increasing Atomic # An Action On An Object That Could Cause The Object To Change Speed Or Direction Is Identified As
Ans: Force The Law Of Conservation Of Energy States That The: Ans: Total Amount Of Energy In A Closed System Remains Unchanged When The Nucleons Are Combined To Form A Nucleus Some Of The Mass Is: Ans: Converted To Binding. Energy The Equation E=mc^2 States That: Ans: Mass & Energy Are Equivalent When Two Or More Light Nuclei Combine To From A Large Nucleus In Fusion, This Changes The: Ans: Binding Energy Isotopes Are Defined As Nuclides W/ The Same:
Ans: A Heavy Particle w/ a Mass Of 4 Amu & A Charge Of +2 That Is Emitted From The Nucleus Rad Ans: A Unit Of Absorbed Dose Half-Life Ans: The Length Of Time Required For One-Half Of The Original # Of Nuclei To Disintegrate Exposure Ans: The Ionization Caused By X-Ray & Gamma Radiation In Air Most Fission Products Are Unstable Because The Ratio Of Ans: Neutrons To Protons Is Too High (N:P) Curie
Ans: The Activity Of That Quantity Of Radioactive Material In Which 37 Billion Atoms Are Transformed Per Second The Rate Of Decay & The Type & Energy Of Decay Are Unique For Ans: Each Radionuclide If A Nuclide Is Found To Be Radioactive, & Has Not Been Involved W/ A Man-Made Process, The Nuclide Is Radioactive Ans: Naturally Identify One Aspect Associated W/ Radioactive Decay Which Most Identifies A Radionuclide Ans: Rate Of Decay Alpha Particle
Ans: Elastic Scattering Pair Production Ans: The Process Where A Photon Interacts W/ The Field Of The Nucleus, Converting The Photon Energy Into An Electron-Positron Set What Is The Minimum Photon Energy Required For The Pair Production Interaction To Occur? Ans: 1.02 Mev All But One Of The Following Is A Mechanism Of Energy Transfer For Beta Particles. The Exception Is: Ans: Compton Scattering Which Of The Following Cells Are The Most Radioresistant Ans: Bone
A Threshold Dose May Exist For Effect Ans: Non-Stochastic An Example Of A Stochastic Effect Is Ans: Cancer The Law Of Bergonie & Tribondeau States That The Radiosenstivity Of Tissue Is Proportional To Its Reproductive Capacity Ans: Directly Which Agency Was Given Legal Authority In 1946 To Regulate Safety Of Both Its Workers & Its Contract Workers According To Recommendations Of Then-Current Experts? Ans: Atomic Energy Commission (AEC) Which Agency Took Over The Licensing Function Of The AEA For The Atomic Energy Industry?
One Purpose Of An ALARA Pre-Job Brief Is To: Ans: Identify Effective Dose Reduction Measures How Will Time Affect The Amount Of Source Material That Is Contributing To The External Exposure Of Personnel? Ans: The Longer The Period Of Time, The Greater The Amount Of Decay & Therefore The Lower The External Exposure Rate The Use Of "Mockups" To Reduce External Radiation Exposure Primarily Utilizes The Principle Of Ans: Time The Density-Thickness Value For The Lens Of The Eye On The Human Body Is Ans: 300 Mg/Cm^
A Mobilizing Agent Increases The Elimination Rate Of Radioactive Materials From The Body By: Ans: Increasing The Natural Turnover Process, Thus Releasing Incorporated Radioactive Atoms The Effective Half-Life Is Always The Biological Half-Life Ans: Less Than How Does A Blocking Agent Increase The Elimination Rate Of Radioactive Material From The Body? Ans: By Saturating The Metabolic Process In A Specific Tissue W/ The Stable Element The Biological Half-Life Is Always The Radiological Half-Life Ans: Independent Of The Effective Half-Life Is Always The Radiological Half-Life
Ans: Resolution In A Gas Filled Detector For Alpha & Beta Particles To Be Detected, They Need To React W/ Atoms: Ans: In The Fill Gas In A Gas Filled Detector That Operates In The Ionization Chamber Region Of The Gas Amplification Curve Ans: Every Ion Pair Produced Is Collected On The Electrodes. There Is No Recombination & No Gas Amplification Which Of The Following Is The Approximate Beta Efficiency Range (In %) For Ion Chambers Ans: 20 - 25% A BF# Detector Can Be Used To Measure Fast Neutrons When
Ans: A Suitable Moderator Is Employed The Primary Method Of Electronic Discrimination Employed In Radiation Detection Instruments Is: Ans: Analyzing Pulse Heights Typical Use Of Scintillation & Semiconductor Detectors Are: Ans: Radiochemistry & Health Physics Counting Lab Applications The Lower Limit Of Detection (LLD) For A Detector Is Dependent Upon The Following Factors EXCEPT: Ans: Sample Volume
