Troxler Hazmat Certification
75 community-sourced questions and answers. Free — no login.
Acute radiation exposures are best described as:
Large doses over a short period of time
Radioactive decay is:
Radiation
The hazard class for the gauge is:
7
When transporting a gauge you can safely secure, block and brace it in the front seat.
F
If you arrive back at the office and the gauge is missing from the back of the pick-up truck you should:
Immediately contact the RSO and regulatory agency
Elements that have the same number of protons and neutrons are considered:
Stable
How many Yellow II Radioactive Labels must be affixed to the gauge case:
Two
The time it takes for a radioactive material to decay to ½ its activity/strength is known as a half-death.
F
Americium 241 is used to measure:
Moisture Content
Which is the least penetrating type of radiation?
Alpha
When shipping by air, nuclear gauges can only be shipped on cargo aircraft.
T
A TLD or film badge is worn to:
To measure radiation exposure
Because of ionization nuclear radiation exposure can be harmful to human tissue.
T
A gauge case with a hole worn in the base can be patched and used.
F
Isotope refers to:
A variation of a given element
Which acts as an effective shield for alpha radiation?
All of the above
Gauge inventories are to be taken:
Every 6 months
Which two documents must you have readily visible and accessible whenever you transport a gauge?
Emergency response sheet and bill of lading
Radioactive decay typically comes from what part of the element:
Nucleus
What are the two types of radioactive material used in the gauge?
Cesium and Americium
You can transport the gauge inside of any case provided it is blocked and braced.
F
Which of the following do not require HAZMAT training:
Accountant
Cosmic radiation is considered to be an occupational exposure.
F
Radiation safety training for gauge operators is required.
T
Radioactive Yellow II moisture density gauges must use placards.
F
Nuclear gauges can only be shipped on cargo aircraft.
T
The exposure limit for a declared pregnant worker during the pregnancy is typically:
500 millirem
A general license is needed to own a moisture density gauge.
F
The gauge has just completed a one minute density test. As you re-approach the gauge you should first:
Pull the handle to retract the rod back into the safe position.
New employees who do not have HAZMAT training must work under the direct supervision of a trained employee and only for the first 90 days.
T
What are the two types of radiation that never escape the shielding in the gauge?
Alpha and Beta
Which is an effective shield for neutron radiation?
Plastic
You can use moisture density gauges in your son's science fair project.
F
The curie/becquerel measurement is a measurement of the strength/activity of a radioactive material.
T
Operating and Emergency Response Procedures are part of the overall Radiation Safety Plan.
T
The activity/quantity of Cesium 137 in a new gauge typically is:
8-10 millicuries
At the end of the day you should leave your dosimeter in the gauge case.
F
The nucleus:
Contains protons and contains most of the mass of an atom
The minimum distance you should keep unauthorized users away from a damaged gauge is:
15 feet
Which is the least penetrating type of ionizing radiation to human tissue:
Alpha radiation
Someone has just inadvertently tipped over the gauge. You should:
Providing there is no damage, pick it up and resume your work.
Background radiation exposure includes occupational exposure.
F
Regulations for radioactive materials are enforced by:
The NRC, Agreement States, U.S. D.O.T and EPA
The half life of Americium 241:
Is 432 years
HAZMAT training must include all of these except:
Vehicle maintenance
The maximum dose rate at one meter from the package is known as the Transport Index.
T
Being exposed to radiation will turn you radioactive.
F
Green glow, intense heat, crackling sound and ammonia smell are all indications that nuclear radiation is present.
F
A Caution - Radioactive Materials sign is required on the gauge storage area entrance.
T
If the gauge is lost or stolen you should immediately stop everything and look for it.
T
It is okay to leave your gauge with an unlicensed service provider.
F
Can previous relevant gauge safety certification training suffice with your new employer?
Yes
What two types of ionizing radiation are used to measure density and moisture?
Neutron, Gamma
New workers can work with a gauge for 90 days while waiting for a training class.
F
You can store your gauge in another state provided:
You have requested and received reciprocity
Special form relates to:
The double encapsulation around the radioactive
The handle of the gauge must be locked during transport.
T
If I double my distance away from the gauge my exposure will be:
Reduced by 3/4
When transporting a gauge you can safely secure, block and brace it:
In the trunk or rear most part of the vehicle
Radiation can be detected because of its green glow, intense heat, crackling sound and ammonia smell.
F
Alpha, beta, neutron and gamma ray photon are all types of ionizing radiation.
T
The time it takes for a radioactive material to decay to ½ its activity/strength is known as a:
Half-life
Which is an effective shield for gamma ray photon radiation?
Lead
What are the four types of ionizing radiation released by the radioactive materials in the gauge?
Alpha, Beta, Neutron, Gamma
Which of the following would require HAZMAT training? a. All of the above b. Person driving the gauge to the worksite Incorrect c. Person preparing the shipping documents d. Person who signs the shippers certification
A. All of the above
The main components of effective ALARA are:
Time, distance, and shielding
You can use moisture density gauges:
For only those functions described on your license and SSD sheet
Elements that have the same number of protons but different number of neutrons are known as:
Isotopes
Turning the gauge off turns off the radiation.
F
If your gauge is at least 20 years old and you wish to dispose of it you can: a. Sell it at a yard sale b. Throw it in the garbage c. Take it to the scrap yard d. None of the above
D. None of the above
Another way to think of ALARA is:
Any unnecessary exposure is an excessive exposure
Chronic radiation exposures are best described as:
Small doses over a long period of time
You should always remove the batteries when not in use. This will prevent the release of radiation.
F
A radiation survey meter is used to:
Determine the presence and activity/quantity of radiation
As long as the shipping company pulls up in a truck with their name on it and the driver wears the shipping company name on their shirt it is okay to assume the ID of the person is legitimate.
F
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