Health & SafetyAnswer Key

Troxler Hazmat Certification

75 community-sourced questions and answers. Free — no login.

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QUESTION 1

Acute radiation exposures are best described as:

ANSWER

Large doses over a short period of time

QUESTION 2

Radioactive decay is:

ANSWER

Radiation

QUESTION 3

The hazard class for the gauge is:

ANSWER

7

QUESTION 4

When transporting a gauge you can safely secure, block and brace it in the front seat.

ANSWER

F

QUESTION 5

If you arrive back at the office and the gauge is missing from the back of the pick-up truck you should:

ANSWER

Immediately contact the RSO and regulatory agency

QUESTION 6

Elements that have the same number of protons and neutrons are considered:

ANSWER

Stable

QUESTION 7

How many Yellow II Radioactive Labels must be affixed to the gauge case:

ANSWER

Two

QUESTION 8

The time it takes for a radioactive material to decay to ½ its activity/strength is known as a half-death.

ANSWER

F

QUESTION 9

Americium 241 is used to measure:

ANSWER

Moisture Content

QUESTION 10

Which is the least penetrating type of radiation?

ANSWER

Alpha

QUESTION 11

When shipping by air, nuclear gauges can only be shipped on cargo aircraft.

ANSWER

T

QUESTION 12

A TLD or film badge is worn to:

ANSWER

To measure radiation exposure

QUESTION 13

Because of ionization nuclear radiation exposure can be harmful to human tissue.

ANSWER

T

QUESTION 14

A gauge case with a hole worn in the base can be patched and used.

ANSWER

F

QUESTION 15

Isotope refers to:

ANSWER

A variation of a given element

QUESTION 16

Which acts as an effective shield for alpha radiation?

ANSWER

All of the above

QUESTION 17

Gauge inventories are to be taken:

ANSWER

Every 6 months

QUESTION 18

Which two documents must you have readily visible and accessible whenever you transport a gauge?

ANSWER

Emergency response sheet and bill of lading

QUESTION 19

Radioactive decay typically comes from what part of the element:

ANSWER

Nucleus

QUESTION 20

What are the two types of radioactive material used in the gauge?

ANSWER

Cesium and Americium

QUESTION 21

You can transport the gauge inside of any case provided it is blocked and braced.

ANSWER

F

QUESTION 22

Which of the following do not require HAZMAT training:

ANSWER

Accountant

QUESTION 23

Cosmic radiation is considered to be an occupational exposure.

ANSWER

F

QUESTION 24

Radiation safety training for gauge operators is required.

ANSWER

T

QUESTION 25

Radioactive Yellow II moisture density gauges must use placards.

ANSWER

F

QUESTION 26

Nuclear gauges can only be shipped on cargo aircraft.

ANSWER

T

QUESTION 27

The exposure limit for a declared pregnant worker during the pregnancy is typically:

ANSWER

500 millirem

QUESTION 28

A general license is needed to own a moisture density gauge.

ANSWER

F

QUESTION 29

The gauge has just completed a one minute density test. As you re-approach the gauge you should first:

ANSWER

Pull the handle to retract the rod back into the safe position.

QUESTION 30

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.

ANSWER

T

QUESTION 31

What are the two types of radiation that never escape the shielding in the gauge?

ANSWER

Alpha and Beta

QUESTION 32

Which is an effective shield for neutron radiation?

ANSWER

Plastic

QUESTION 33

You can use moisture density gauges in your son's science fair project.

ANSWER

F

QUESTION 34

The curie/becquerel measurement is a measurement of the strength/activity of a radioactive material.

ANSWER

T

QUESTION 35

Operating and Emergency Response Procedures are part of the overall Radiation Safety Plan.

ANSWER

T

QUESTION 36

The activity/quantity of Cesium 137 in a new gauge typically is:

ANSWER

8-10 millicuries

QUESTION 37

At the end of the day you should leave your dosimeter in the gauge case.

ANSWER

F

QUESTION 38

The nucleus:

ANSWER

Contains protons and contains most of the mass of an atom

QUESTION 39

The minimum distance you should keep unauthorized users away from a damaged gauge is:

ANSWER

15 feet

QUESTION 40

Which is the least penetrating type of ionizing radiation to human tissue:

ANSWER

Alpha radiation

QUESTION 41

Someone has just inadvertently tipped over the gauge. You should:

ANSWER

Providing there is no damage, pick it up and resume your work.

QUESTION 42

Background radiation exposure includes occupational exposure.

ANSWER

F

QUESTION 43

Regulations for radioactive materials are enforced by:

ANSWER

The NRC, Agreement States, U.S. D.O.T and EPA

QUESTION 44

The half life of Americium 241:

ANSWER

Is 432 years

QUESTION 45

HAZMAT training must include all of these except:

ANSWER

Vehicle maintenance

QUESTION 46

The maximum dose rate at one meter from the package is known as the Transport Index.

ANSWER

T

QUESTION 47

Being exposed to radiation will turn you radioactive.

ANSWER

F

QUESTION 48

Green glow, intense heat, crackling sound and ammonia smell are all indications that nuclear radiation is present.

ANSWER

F

QUESTION 49

A Caution - Radioactive Materials sign is required on the gauge storage area entrance.

ANSWER

T

QUESTION 50

If the gauge is lost or stolen you should immediately stop everything and look for it.

ANSWER

T

QUESTION 51

It is okay to leave your gauge with an unlicensed service provider.

ANSWER

F

QUESTION 52

Can previous relevant gauge safety certification training suffice with your new employer?

ANSWER

Yes

QUESTION 53

What two types of ionizing radiation are used to measure density and moisture?

ANSWER

Neutron, Gamma

QUESTION 54

New workers can work with a gauge for 90 days while waiting for a training class.

ANSWER

F

QUESTION 55

You can store your gauge in another state provided:

ANSWER

You have requested and received reciprocity

QUESTION 56

Special form relates to:

ANSWER

The double encapsulation around the radioactive

QUESTION 57

The handle of the gauge must be locked during transport.

ANSWER

T

QUESTION 58

If I double my distance away from the gauge my exposure will be:

ANSWER

Reduced by 3/4

QUESTION 59

When transporting a gauge you can safely secure, block and brace it:

ANSWER

In the trunk or rear most part of the vehicle

QUESTION 60

Radiation can be detected because of its green glow, intense heat, crackling sound and ammonia smell.

ANSWER

F

QUESTION 61

Alpha, beta, neutron and gamma ray photon are all types of ionizing radiation.

ANSWER

T

QUESTION 62

The time it takes for a radioactive material to decay to ½ its activity/strength is known as a:

ANSWER

Half-life

QUESTION 63

Which is an effective shield for gamma ray photon radiation?

ANSWER

Lead

QUESTION 64

What are the four types of ionizing radiation released by the radioactive materials in the gauge?

ANSWER

Alpha, Beta, Neutron, Gamma

QUESTION 65

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

ANSWER

A. All of the above

QUESTION 66

The main components of effective ALARA are:

ANSWER

Time, distance, and shielding

QUESTION 67

You can use moisture density gauges:

ANSWER

For only those functions described on your license and SSD sheet

QUESTION 68

Elements that have the same number of protons but different number of neutrons are known as:

ANSWER

Isotopes

QUESTION 69

Turning the gauge off turns off the radiation.

ANSWER

F

QUESTION 70

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

ANSWER

D. None of the above

QUESTION 71

Another way to think of ALARA is:

ANSWER

Any unnecessary exposure is an excessive exposure

QUESTION 72

Chronic radiation exposures are best described as:

ANSWER

Small doses over a long period of time

QUESTION 73

You should always remove the batteries when not in use. This will prevent the release of radiation.

ANSWER

F

QUESTION 74

A radiation survey meter is used to:

ANSWER

Determine the presence and activity/quantity of radiation

QUESTION 75

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.

ANSWER

F

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