Quiz
LADEQ Radiation Safety Practice Test
Perguntas do quiz (87)
1A vehicle that can receive ship and deliver a single shipment of radioactive material?
- Acommon carrier vehicle
- BExclusive carrier vehicle
- CRadiation carrier vehicle
- DNone of the above
2What five things do you need to make an X-ray?
- AHigh voltage source
- BCollimator
- CFilament-emits electrons
- DTarget
- EVacuum to travel in
- FLead screens
- GSource of energy
3a trainee and an instructor make a shot on a Weld. After exposure, the instructor retracts the source and completes a survey .While setting up for the next shot, the source, due to tube compression, moves from the shielded position. The instructor moves to the camera for his survey meter and notices the 'reading. He immediately leaves the tank and realizes the crank is half a turn off. What is the possible cause in the above situation??
- AInstructor failed to do a proper survey
- Blnstructor failed to read his pocket dosimeter
- CInstructor failed to secure the source
- DInstructor failed to fully retract source (Would •have had high readings during survey)
4Delayed effect:
- ACancer
- BRadiation burn
- CRadiation sickness
- Dnone of the above
5Name the numerical constant that describes the rate at which a radioactive material decays.
- ADose equivalent constant
- BExposure constant
- CDose rate constant
- DDecay constant
- ADose equivalent constant
6What 4 things must be inspected annually on an X- ray machine?
- AProper labeling
- BCheck for contamination
- CCheck on/off switch
- DCheck wires and connectors
- ECheck tube for dirt
- FCheck Locks
7Whose job is it to see if your X-ray machine is properly labeled?
- AState inspector
- BRSO
- CYou
- DNone of the above
8What would the X-Ray machines control panel read?
- AWhen energized, this unit will produce Radiation
- BDo not operate without permission
- CUse by authorized personnel only
- DAll of the above
9If your dosimeter is damaged and is fully discharged, this will give you:
- AAn unusually low reading
- BA false high reading
- CNone of the above
- DEither A false high reading or An unusually low reading
10The unit of measure that measures irradiated material is?
- Arem
- BkVp
- Ccuries
- Dabsorbed dose
11A site that is not listed on the registrant's license is considered?
- AA temporary job site
- BNon-Notified job site
- CIllegal job site
- DUnlisted job site
12You are at a temporary job site with a safe line and signs posted. An unauthorized person walks into your Barricade. What do you do?
- ARaise his attention and tell him to leave the area
- BTry to get his attention, ask him to leave, and if he remains, retract the source and contact security (Or, retract the source immediately)
- CStop him and tell him the dangers of radiation until he understands
- DGive him a survey meter for immediate....?
13A vehicle transporting an X-ray machine:
- ARequires placards
- BMust have warning labels on the vehicle
- CDoes not require placards
- DNone of the above
14The energy passing from the filament to the target in an X-Ray machine is called?
- APassing tube
- BCarrier tube
- CTube current
- DNone of the above
15Conforms to DEQ regulations, but not ran by DEQ?
- AAgreement states
- BNon-agreement states
- CNeither
16Who regulates the X-Ray programs?
- AThe States control these programs
- BThe House of Represenatives
- COSHA
- DNRC
17X-Rays are measured in?
- AMa
- BKv
- Ckvp
- DkPv
18Which requires the least amount of regulating?
- AX-Ray cabinet
- BEnclosed X-Ray cabinet
- CCertified X-Ray Cabinet
19The energy from a CO 60 source is ____________ times greater than the energy from an Ir 192 source.
- A4
- B7
- C2
- D6
- ENone of the above
20Gamma rays measured in?
- AGmR's
- BMeV
- CGmu
- DBoth GmR's and MeV
21What is the strongest available source?
- ACs137
- BCO 60
- Clr192
- DNone of the above
22Where should a camera be stored in a truck?
- AIn the cab
- BSecured in back furthest from cab
- CIn the passenger seat
- DNone of the above
23When transporting an exposure device, what should it be transported in?
- ATransport system
- BTransport Container {Over pack)
- CSafety container
24What is the best personnel monitoring device?
- AFilm badge
- BTLD
- CPocket dosimeter
- DAll of the above
25Pocket dosimeters and film badge must be worn where?
- AShirt pocket
- BBack pants pocket
- Cboth A & B
- DNone of the above
26Radioactive Isotopes decay trying to get back to their stable state. During this process they give off Beta particles and ionizing radiation which your personal protective equipment can read.
- AVerdadeiro
- BFalso
27Internal organs and cells are harmed by exposure to ionizing radiation.
- AVerdadeiro
- BFalso
28What is the most common problem with survey meters?
- AWeak batteries
- BDirt
- CMovement
- AWeak batteries
29A collimator's primary function is to:
- AProvide Shielding
- BGet rid of all radiation leakage
- CNeither
- DBoth
30Pocket dosimeters read:
- AX and Gamma rays
- BGamma and beta particles
- CAll three - X "Rays,Gamma Rays and:beta particles
- DNone of the above
- AX and Gamma rays
31Your pocket dosimeter falls and discharges before you shoot the first shot of the day, and the camera is still locked up. You resurvey the camera and get normal readings. What do you do?
- ARecharge dosimeter and keep working
- BContact RSO
- CContact your supervisor
- DQuit for the day and hope for the best tomorrow.
- ARecharge dosimeter and keep working
32During an exposure your source gets jammed, which of the following do you do?
- AStay at barricade and maintain surveillance of area.
- BContact your RSO and report the problem to the site supervisors.
- CBoth of the above
- DNeither of the above
- AStay at barricade and maintain surveillance of area.
33You are in an enclosed room X-Raying. After an exposure you check your pocket dosimeter, and it is reading 12mR. You have one exposure left, what do you do?
- ATurn in your film badge for immediate processing and stop working
- BContinue working
- CFinish shooting,then contact your RSO
- Dclock out and leave for the day
- ATurn in your film badge for immediate processing and stop working
34Target is usually made of:
- ALead
- BBrass
- CTungsten
35The target creates X"Rays by; Rapid deceleration of electrons (Most energy given off as heat)
- AVerdadeiro
- BFalso
36What makes a material a good absorber?
- AThe Automatic number
- BThe Atomic Number (density) and it's thickness
- Cneither
37Why is steel not usually used in cameras as shielding?
- ABecause it is not a proper shielding
- BBecause it would make camera too bulky and heavy
- CBoth are correct
38Companies should do an inventory of source:
- ADaily
- BWeekly
- CQuarterly
- DBi-weekly
- EYearly
- FEvery 6 months
39The most common problem found during quarterly maintenance of exposure devices?
- ABroken Connector
- BFrayed pigtail
- CDirt
- DAll of the above
- ENone of the above
40What don't you record on a utilization log?
- AWhen a source is checked out
- BWhen the source is brought back in
- CThe name of the technician checking out the source
- DYour surveys after each exposure
41What do you record on a utilization log?
- AWhen a source is checked out
- BWhen the source is brought back in
- CThe name of the technician checking;out the source
- DYour surveys after each exposure
42What do you record on a utilization log?
- AWhen a source is checked out
- BWhen the source is brought back in
- CThe name of the technician checking;out the source
- DYour surveys after each exposure
43What do you record on a utilization log?
- AWhen a source is checked out
- BWhen the source is brought back in
- CThe name of the technician checking;out the source
- DYour surveys after each exposure
44W hat part of the camera is the most important part to survey after each exposure?
- AThe front
- BThe back
- CThe sides
- DThe top
- EThe bottom
45W hat part of the camera is the most important part to survey after each exposure?
- AThe front
- BThe back
- CThe sides
- DThe top
- EThe bottom
46W hat part of the camera is the most important part to survey after each exposure?
- AThe front
- BThe back
- CThe sides
- DThe top
- EThe bottom
47To do a proper survey after each exposure, you should: Survey all sides of the camera and the entire length of the source tube.
- AVerdadeiro
- BFalso
48Range of survey meter?
- A2mR to 1,000mR (1R)
- B1R to 100R
- C.005mR to 1mR
- DNone of the above
49The range of pocket dosimeter is 0 to 200mR.
- AVerdadeiro
- BFalso
50Survey meters are to be calibrated every ______ months
- A4
- B3
- C12
- D6
51Pocket dosimeters are calibrated?
- AMonthly
- BYearly
- CWeekly
52Your survey meter has been calibrated for use on C060. Can you use it for X-Rays?
- ANo
- BYes
- CPossibly
53Can an X-Ray systems control panel be locked out?
- AYes
- BNo
54Your survey meter is set on x1? Your survey the camera and the meter is pegged out. What should you do?
- AExit the area, reset meter to x10 and resurvey the camera
- BMove to a shielded area and see if the survey meter is responding properly
- CIgnore the survey meter, and continue working
55What is the device called that allows the movement of the shielding or the source to make a radiographic exposure?
- ACamera or Exposure Device
- BCable reel
56Ball stop: Prevents the source from being pulled out the back of the camera and locks it.
- AVerdadeiro
- BFalso
57Safety Plug: Goes into the _________ of the camera to secure the source and keep out dirt.
- ABack
- BFront
- CSide
58Radiation output: (the type of radiation, not Curies).
- ACo60
- Blr192
- CNiether
- DCi's
59What will increase the flow of electrons?
- ALess current
- BLess voltage
- CMore current or voltage
- DNiether
60If you increase the mA, you shorten the exposure proportionally {5mA to 10mA will cut the exposure time in half).
- AVerdadeiro
- BFalso
61What on an x-ray determines the exposure of the film?
- AThe Silver Bromide
- BThe Gold Bromide
62Safe line: _____ Radiation area: _____ High Radiation Area: ____ All are in any one hour
- A2mR, 6mR, 200mR
- B2mR, 5mR, 1R
- C2mR, 5mR, 100mR
- DNone of the above
63If you received a low level of radiation over a long period of time, what would be affected the most? (Bone marrow is the most sensitive-not an answer)
- ASkin
- BBone
- CThyroid
- DLiver
64We receive more radiation from this than anything else?
- AGamma Ray's
- BMedical X-Rays
- CX-Rays
65Where would you find the information required to make a satisfactory exposure?
- AIn the Operating and Emergency Procedures.
- BIn your Personal Procedures
- AIn the Operating and Emergency Procedures.
66Where would you find the emergency numbers you may need while working in the field?
- AIn you Personal Procedures
- BIn the Operating and Emergency Procedures
67If you were in an-accident, what would your primary concern be?
- AIf the -source is still secured
- BYour personal health
- CThe vehicle is ok
68You are making an exposure on across country pipeline. While setting up this exposure, what would be the most efficient way to set up the safe line?
- ADon't worry about a safe line, you're miles away from anyone.
- BUse ropes and signs to barricade off the 2mR line
- CNone of the above
69What are the delayed effects - of radiation?
1. Genetic effects 2. Radiation burns 3. Radiation sickness 4. Cancer- A1 and 2
- B2 and 3
- C1 and 4
- D1,3 and 4
- A1 and 2
70Why do you survey after you use a radiation machine?
- ATo make sure the source is in the shielded position
- BTo ensure the radiation being emitted is within the regulation limits
- CTo make sure the X-Ray machine is off
- ATo make sure the source is in the shielded position
71You and -a radiographer are shooting for several hours at a temporary job site . You survey the barricade and find that you are receiving 4 mR/hr.What do you do?
- AMake sure your exposure time does hot exceed 45-minutes in any one hour.
- BMake sure your exposure time does hot exceed 30-minutes in any one hour.
- CMake sure your exposure time does hot exceed 20-minutes in any one hour.
- DMake sure your exposure time does hot exceed 10-minutes in any one hour.
- ENone of the above
72You are heading to a job site, and realize you left your film badge at the shop. What do you do?
- ATurn around and go get your film badge
- BContinue to the job site, and go about you business as if you had it
- CGet a new film badge
73You are going into the field and will be using both gamma and X-ray equipment. Which of the following must be with you?
- AYour school ID
- B your gamma certification card
- CTWIC Card
74You drop your dosimeter while performing a shot. After recovering it, you find that it is off- scale. What do you do?
- Arecharge the dosimeter and keep working
- BCall you'r RSO to find out how to proceed
- CYou're fired
75You are receiving 50mR/hr. How would you label this area?
- AHigh radiation area
- BRadiation area
- CSafe Line
76You are making a shot, you check your dosimeter and find that you have received 55mR. What do you do?
- AStop shooting, leave radiation area and contact your RSO
- BContinue shooting, you already have a high dose
- CStop shooting and go home for the day without saying anything and hope nothing is said tomorrow.
77What three things should you, while working as a radiographer, have on you at all times?
- AFilm badge, TLD and dosimeter
- B Film badge or TLD, rate alarm and dosimeter
- C2 dosimeters, a film badge and a survey meter
78You take an X-ray machine to a temporary job site. When is it OK to leave it alone?
- AAnytime as long as your RSO is contacted and knows where you are
- BIt is never OK to leave the machine with the key in it
- CAlways
79What is the best.way to move an X-ray machine?
- Awith it on
- Bonly with protective clothing on
- Cwhen it is unplugged
80What is this? {Shows a picture of a SPECcamera)
- AAn exposure-device ( or a Camera) that meets ANSI 432 standards
- Ba dosimeter
- C a survey meter
- Da source changer
- AAn exposure-device ( or a Camera) that meets ANSI 432 standards
81What is the name of the federal agency that regulates radioactive sources and businesses?
- ANRC
- BACLU
- CNAACP
- DDOE
82Radioactive sources are never to be stored _____________?
- Awithin the city limits
- Binside a truck
- Cin a residential area
- Dnone of the above
83Where can you store a radioactive source?
- ATransport container
- BSecurity container
- CBoth
- DNeither
84A permanent facility is a site that is built for radioactive activity in a non-temporary facility.is called?
- AVerdadeiro
- BFalso
85A temporary site that is built for radioactive activity is called a permanent facility?
- AVerdadeiro
- BFalso
86What does an interlock do?
- A Allows exit from a room, but not entrance
- BDoes not allow unwanted entry or exit
- CKeeps the camera locked, for transport
87What type of shielding is this? (Diagram points to the material surrounding the S-tube)
- ATungsten
- BDepleted Utanium
- CNeither
Informações
- Descrição
- This is just a practice test. this is not a copy of a LADEQ test.
- Autor
- rputnam89
- Idioma
- English
- Visualizações
- 120
- Etiquetas
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