rputnam89
Quiz by , created more than 1 year ago

This is just a practice test. this is not a copy of a LADEQ test.

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rputnam89
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LADEQ Radiation Safety Practice Test

Question 1 of 87

1

A vehicle that can receive ship and deliver a single shipment of radioactive material?

Select one of the following:

  • common carrier vehicle

  • Exclusive carrier vehicle

  • Radiation carrier vehicle

  • None of the above

Explanation

Question 2 of 87

1

What five things do you need to make an X-ray?

Select one or more of the following:

  • High voltage source

  • Collimator

  • Filament-emits electrons

  • Target

  • Vacuum to travel in

  • Lead screens

  • Source of energy

Explanation

Question 3 of 87

1

a 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??

Select one or more of the following:

  • Instructor failed to do a proper survey

  • lnstructor failed to read his pocket dosimeter

  • Instructor failed to secure the source

  • Instructor failed to fully retract source (Would •have had high readings during survey)

Explanation

Question 4 of 87

1

Delayed effect:

Select one or more of the following:

  • Cancer

  • Radiation burn

  • Radiation sickness

  • none of the above

Explanation

Question 5 of 87

1

Name the numerical constant that describes the rate at which a radioactive material decays.

Select one or more of the following:

  • Dose equivalent constant

  • Exposure constant

  • Dose rate constant

  • Decay constant

Explanation

Question 6 of 87

1

What 4 things must be inspected annually on an X- ray machine?

Select one or more of the following:

  • Proper labeling

  • Check for contamination

  • Check on/off switch

  • Check wires and connectors

  • Check tube for dirt

  • Check Locks

Explanation

Question 7 of 87

1

Whose job is it to see if your X-ray machine is properly labeled?

Select one of the following:

  • State inspector

  • RSO

  • You

  • None of the above

Explanation

Question 8 of 87

1

What would the X-Ray machines control panel read?

Select one of the following:

  • When energized, this unit will produce Radiation

  • Do not operate without permission

  • Use by authorized personnel only

  • All of the above

Explanation

Question 9 of 87

1

If your dosimeter is damaged and is fully discharged, this will give you:

Select one of the following:

  • An unusually low reading

  • A false high reading

  • None of the above

  • Either A false high reading or An unusually low reading

Explanation

Question 10 of 87

1

The unit of measure that measures irradiated material is?

Select one or more of the following:

  • rem

  • kVp

  • curies

  • absorbed dose

Explanation

Question 11 of 87

1

A site that is not listed on the registrant's license is considered?

Select one of the following:

  • A temporary job site

  • Non-Notified job site

  • Illegal job site

  • Unlisted job site

Explanation

Question 12 of 87

1

You are at a temporary job site with a safe line and signs posted. An unauthorized person walks into your Barricade. What do you do?

Select one of the following:

  • Raise his attention and tell him to leave the area

  • Try to get his attention, ask him to leave, and if he remains, retract the source and contact security (Or, retract the source immediately)

  • Stop him and tell him the dangers of radiation until he understands

  • Give him a survey meter for immediate....?

Explanation

Question 13 of 87

1

A vehicle transporting an X-ray machine:

Select one of the following:

  • Requires placards

  • Must have warning labels on the vehicle

  • Does not require placards

  • None of the above

Explanation

Question 14 of 87

1

The energy passing from the filament to the target in an X-Ray machine is called?

Select one of the following:

  • Passing tube

  • Carrier tube

  • Tube current

  • None of the above

Explanation

Question 15 of 87

1

Conforms to DEQ regulations, but not ran by DEQ?

Select one of the following:

  • Agreement states

  • Non-agreement states

  • Neither

Explanation

Question 16 of 87

1

Who regulates the X-Ray programs?

Select one of the following:

  • The States control these programs

  • The House of Represenatives

  • OSHA

  • NRC

Explanation

Question 17 of 87

1

X-Rays are measured in?

Select one of the following:

  • Ma

  • Kv

  • kvp

  • kPv

Explanation

Question 18 of 87

1

Which requires the least amount of regulating?

Select one of the following:

  • X-Ray cabinet

  • Enclosed X-Ray cabinet

  • Certified X-Ray Cabinet

Explanation

Question 19 of 87

1

The energy from a CO 60 source is ____________ times greater than the energy from an Ir 192 source.

Select one of the following:

  • 4

  • 7

  • 2

  • 6

  • None of the above

Explanation

Question 20 of 87

1

Gamma rays measured in?

Select one of the following:

  • GmR's

  • MeV

  • Gmu

  • Both GmR's and MeV

Explanation

Question 21 of 87

1

What is the strongest available source?

Select one of the following:

  • Cs137

  • CO 60

  • lr192

  • None of the above

Explanation

Question 22 of 87

1

Where should a camera be stored in a truck?

Select one of the following:

  • In the cab

  • Secured in back furthest from cab

  • In the passenger seat

  • None of the above

Explanation

Question 23 of 87

1

When transporting an exposure device, what should it be transported in?

Select one of the following:

  • Transport system

  • Transport Container {Over pack)

  • Safety container

Explanation

Question 24 of 87

1

What is the best personnel monitoring device?

Select one of the following:

  • Film badge

  • TLD

  • Pocket dosimeter

  • All of the above

Explanation

Question 25 of 87

1

Pocket dosimeters and film badge must be worn where?

Select one of the following:

  • Shirt pocket

  • Back pants pocket

  • both A & B

  • None of the above

Explanation

Question 26 of 87

1

Radioactive 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.

Select one of the following:

  • True
  • False

Explanation

Question 27 of 87

1

Internal organs and cells are harmed by exposure to ionizing radiation.

Select one of the following:

  • True
  • False

Explanation

Question 28 of 87

1

What is the most common problem with survey meters?

Select one of the following:

  • Weak batteries

  • Dirt

  • Movement

Explanation

Question 29 of 87

1

A collimator's primary function is to:

Select one of the following:

  • Provide Shielding

  • Get rid of all radiation leakage

  • Neither

  • Both

Explanation

Question 30 of 87

1

Pocket dosimeters read:

Select one of the following:

  • X and Gamma rays

  • Gamma and beta particles

  • All three - X "Rays,Gamma Rays and:beta particles

  • None of the above

Explanation

Question 31 of 87

1

Your 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?

Select one of the following:

  • Recharge dosimeter and keep working

  • Contact RSO

  • Contact your supervisor

  • Quit for the day and hope for the best tomorrow.

Explanation

Question 32 of 87

1

During an exposure your source gets jammed, which of the following do you do?

Select one of the following:

  • Stay at barricade and maintain surveillance of area.

  • Contact your RSO and report the problem to the site supervisors.

  • Both of the above

  • Neither of the above

Explanation

Question 33 of 87

1

You 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?

Select one of the following:

  • Turn in your film badge for immediate processing and stop working

  • Continue working

  • Finish shooting,then contact your RSO

  • clock out and leave for the day

Explanation

Question 34 of 87

1

Target is usually made of:

Select one of the following:

  • Lead

  • Brass

  • Tungsten

Explanation

Question 35 of 87

1

The target creates X"Rays by; Rapid deceleration of electrons (Most energy given off as heat)

Select one of the following:

  • True
  • False

Explanation

Question 36 of 87

1

What makes a material a good absorber?

Select one of the following:

  • The Automatic number

  • The Atomic Number (density) and it's thickness

  • neither

Explanation

Question 37 of 87

1

Why is steel not usually used in cameras as shielding?

Select one of the following:

  • Because it is not a proper shielding

  • Because it would make camera too bulky and heavy

  • Both are correct

Explanation

Question 38 of 87

1

Companies should do an inventory of source:

Select one of the following:

  • Daily

  • Weekly

  • Quarterly

  • Bi-weekly

  • Yearly

  • Every 6 months

Explanation

Question 39 of 87

1

The most common problem found during quarterly maintenance of exposure devices?

Select one of the following:

  • Broken Connector

  • Frayed pigtail

  • Dirt

  • All of the above

  • None of the above

Explanation

Question 40 of 87

1

What don't you record on a utilization log?

Select one of the following:

  • When a source is checked out

  • When the source is brought back in

  • The name of the technician checking out the source

  • Your surveys after each exposure

Explanation

Question 41 of 87

1

What do you record on a utilization log?

Select one or more of the following:

  • When a source is checked out

  • When the source is brought back in

  • The name of the technician checking;out the source

  • Your surveys after each exposure

Explanation

Question 42 of 87

1

What do you record on a utilization log?

Select one or more of the following:

  • When a source is checked out

  • When the source is brought back in

  • The name of the technician checking;out the source

  • Your surveys after each exposure

Explanation

Question 43 of 87

1

What do you record on a utilization log?

Select one or more of the following:

  • When a source is checked out

  • When the source is brought back in

  • The name of the technician checking;out the source

  • Your surveys after each exposure

Explanation

Question 44 of 87

1

W hat part of the camera is the most important part to survey after each exposure?

Select one or more of the following:

  • The front

  • The back

  • The sides

  • The top

  • The bottom

Explanation

Question 45 of 87

1

W hat part of the camera is the most important part to survey after each exposure?

Select one or more of the following:

  • The front

  • The back

  • The sides

  • The top

  • The bottom

Explanation

Question 46 of 87

1

W hat part of the camera is the most important part to survey after each exposure?

Select one or more of the following:

  • The front

  • The back

  • The sides

  • The top

  • The bottom

Explanation

Question 47 of 87

1

To do a proper survey after each exposure, you should: Survey all sides of the camera and the entire length of the source tube.

Select one of the following:

  • True
  • False

Explanation

Question 48 of 87

1

Range of survey meter?

Select one of the following:

  • 2mR to 1,000mR (1R)

  • 1R to 100R

  • .005mR to 1mR

  • None of the above

Explanation

Question 49 of 87

1

The range of pocket dosimeter is 0 to 200mR.

Select one of the following:

  • True
  • False

Explanation

Question 50 of 87

1

Survey meters are to be calibrated every ______ months

Select one of the following:

  • 4

  • 3

  • 12

  • 6

Explanation

Question 51 of 87

1

Pocket dosimeters are calibrated?

Select one of the following:

  • Monthly

  • Yearly

  • Weekly

Explanation

Question 52 of 87

1

Your survey meter has been calibrated for use on C060. Can you use it for X-Rays?

Select one of the following:

  • No

  • Yes

  • Possibly

Explanation

Question 53 of 87

1

Can an X-Ray systems control panel be locked out?

Select one of the following:

  • Yes

  • No

Explanation

Question 54 of 87

1

Your survey meter is set on x1? Your survey the camera and the meter is pegged out. What should you do?

Select one of the following:

  • Exit the area, reset meter to x10 and resurvey the camera

  • Move to a shielded area and see if the survey meter is responding properly

  • Ignore the survey meter, and continue working

Explanation

Question 55 of 87

1

What is the device called that allows the movement of the shielding or the source to make a radiographic exposure?

Select one of the following:

  • Camera or Exposure Device

  • Cable reel

Explanation

Question 56 of 87

1

Ball stop: Prevents the source from being pulled out the back of the camera and locks it.

Select one of the following:

  • True
  • False

Explanation

Question 57 of 87

1

Safety Plug: Goes into the _________ of the camera to secure the source and keep out dirt.

Select one of the following:

  • Back

  • Front

  • Side

Explanation

Question 58 of 87

1

Radiation output: (the type of radiation, not Curies).

Select one or more of the following:

  • Co60

  • lr192

  • Niether

  • Ci's

Explanation

Question 59 of 87

1

What will increase the flow of electrons?

Select one of the following:

  • Less current

  • Less voltage

  • More current or voltage

  • Niether

Explanation

Question 60 of 87

1

If you increase the mA, you shorten the exposure proportionally {5mA to 10mA will cut the exposure time in half).

Select one of the following:

  • True
  • False

Explanation

Question 61 of 87

1

What on an x-ray determines the exposure of the film?

Select one of the following:

  • The Silver Bromide

  • The Gold Bromide

Explanation

Question 62 of 87

1

Safe line: _____ Radiation area: _____ High Radiation Area: ____ All are in any one hour

Select one of the following:

  • 2mR, 6mR, 200mR

  • 2mR, 5mR, 1R

  • 2mR, 5mR, 100mR

  • None of the above

Explanation

Question 63 of 87

1

If 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)

Select one of the following:

  • Skin

  • Bone

  • Thyroid

  • Liver

Explanation

Question 64 of 87

1

We receive more radiation from this than anything else?

Select one of the following:

  • Gamma Ray's

  • Medical X-Rays

  • X-Rays

Explanation

Question 65 of 87

1

Where would you find the information required to make a satisfactory exposure?

Select one of the following:

  • In the Operating and Emergency Procedures.

  • In your Personal Procedures

Explanation

Question 66 of 87

1

Where would you find the emergency numbers you may need while working in the field?

Select one of the following:

  • In you Personal Procedures

  • In the Operating and Emergency Procedures

Explanation

Question 67 of 87

1

If you were in an-accident, what would your primary concern be?

Select one of the following:

  • If the -source is still secured

  • Your personal health

  • The vehicle is ok

Explanation

Question 68 of 87

1

You 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?

Select one of the following:

  • Don't worry about a safe line, you're miles away from anyone.

  • Use ropes and signs to barricade off the 2mR line

  • None of the above

Explanation

Question 69 of 87

1

What are the delayed effects - of radiation?
1. Genetic effects 2. Radiation burns 3. Radiation sickness 4. Cancer

Select one of the following:

  • 1 and 2

  • 2 and 3

  • 1 and 4

  • 1,3 and 4

Explanation

Question 70 of 87

1

Why do you survey after you use a radiation machine?

Select one of the following:

  • To make sure the source is in the shielded position

  • To ensure the radiation being emitted is within the regulation limits

  • To make sure the X-Ray machine is off

Explanation

Question 71 of 87

1

You 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?

Select one of the following:

  • Make sure your exposure time does hot exceed 45-minutes in any one hour.

  • Make sure your exposure time does hot exceed 30-minutes in any one hour.

  • Make sure your exposure time does hot exceed 20-minutes in any one hour.

  • Make sure your exposure time does hot exceed 10-minutes in any one hour.

  • None of the above

Explanation

Question 72 of 87

1

You are heading to a job site, and realize you left your film badge at the shop. What do you do?

Select one of the following:

  • Turn around and go get your film badge

  • Continue to the job site, and go about you business as if you had it

  • Get a new film badge

Explanation

Question 73 of 87

1

You are going into the field and will be using both gamma and X-ray equipment. Which of the following must be with you?

Select one of the following:

  • Your school ID

  • your gamma certification card

  • TWIC Card

Explanation

Question 74 of 87

1

You drop your dosimeter while performing a shot. After recovering it, you find that it is off- scale. What do you do?

Select one of the following:

  • recharge the dosimeter and keep working

  • Call you'r RSO to find out how to proceed

  • You're fired

Explanation

Question 75 of 87

1

You are receiving 50mR/hr. How would you label this area?

Select one of the following:

  • High radiation area

  • Radiation area

  • Safe Line

Explanation

Question 76 of 87

1

You are making a shot, you check your dosimeter and find that you have received 55mR. What do you do?

Select one of the following:

  • Stop shooting, leave radiation area and contact your RSO

  • Continue shooting, you already have a high dose

  • Stop shooting and go home for the day without saying anything and hope nothing is said tomorrow.

Explanation

Question 77 of 87

1

What three things should you, while working as a radiographer, have on you at all times?

Select one of the following:

  • Film badge, TLD and dosimeter

  • Film badge or TLD, rate alarm and dosimeter

  • 2 dosimeters, a film badge and a survey meter

Explanation

Question 78 of 87

1

You take an X-ray machine to a temporary job site. When is it OK to leave it alone?

Select one of the following:

  • Anytime as long as your RSO is contacted and knows where you are

  • It is never OK to leave the machine with the key in it

  • Always

Explanation

Question 79 of 87

1

What is the best.way to move an X-ray machine?

Select one of the following:

  • with it on

  • only with protective clothing on

  • when it is unplugged

Explanation

Question 80 of 87

1

What is this? {Shows a picture of a SPECcamera)

Select one of the following:

  • An exposure-device ( or a Camera) that meets ANSI 432 standards

  • a dosimeter

  • a survey meter

  • a source changer

Explanation

Question 81 of 87

1

What is the name of the federal agency that regulates radioactive sources and businesses?

Select one of the following:

  • NRC

  • ACLU

  • NAACP

  • DOE

Explanation

Question 82 of 87

1

Radioactive sources are never to be stored _____________?

Select one of the following:

  • within the city limits

  • inside a truck

  • in a residential area

  • none of the above

Explanation

Question 83 of 87

1

Where can you store a radioactive source?

Select one of the following:

  • Transport container

  • Security container

  • Both

  • Neither

Explanation

Question 84 of 87

1

A permanent facility is a site that is built for radioactive activity in a non-temporary facility.is called?

Select one of the following:

  • True
  • False

Explanation

Question 85 of 87

1

A temporary site that is built for radioactive activity is called a permanent facility?

Select one of the following:

  • True
  • False

Explanation

Question 86 of 87

1

What does an interlock do?

Select one of the following:

  • Allows exit from a room, but not entrance

  • Does not allow unwanted entry or exit

  • Keeps the camera locked, for transport

Explanation

Question 87 of 87

1

What type of shielding is this? (Diagram points to the material surrounding the S-tube)

Select one of the following:

  • Tungsten

  • Depleted Utanium

  • Neither

Explanation

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