Radiation Safety Officer Course CBT – Exam Questions with Correct Answers

Radiation Safety Officer Course CBT –
Exam Questions with Correct Answers
obj: What steps are involved in preparing hazardous materials for shipping.

-Proper Shipping Names and Radioactive Material Types - Answer-1. ID- Gather
evidence
2. Classify- Determine hazard class & shipping name
3.Containment- Select the packaging
4. Communication- transmitting info on the material (shipping papers, labels, etc.)
5. Controls-Exercising authority over quantity & mode of transport

obj: How do you classify a HAZMAT with >1 hazard class?

-Proper Shipping Names and Radioactive Material Types - Answer-The shipper simply
selects the first classification listed in DOT's 49 CFR 173.2a.

obj: What are the 3 important questions to ask for rad. material transport.

-Proper Shipping Names and Radioactive Material Types - Answer-1. Is the specific
activity greater than 70 Bq per gram?

2. Are there any other chemical properties contending?

3. Will the Hazard Class be "Radioactive Material"?

DOT defines material that has an activity greater than 70 Bq/gram as

-Proper Shipping Names and Radioactive Material Types - Answer-radioactive material

Reference: If a shipment of Radioactive Material is not a limited quantity, but is also a
flammable solid, what is the primary Hazard Class?

A. Division 7
B. Class 9
C. Division 4.1
D. Class 7

-Proper Shipping Names and Radioactive Material Types - Answer-D. Class 7

*Class 7, other than limited quantity, is higher on the hierarchy of hazardous materials
than flammables

,For a material that meets the definition of Radioactive Material, and also meets the
definitions of another Hazard Class, the other Hazard Class is referred to as _____

A. primary.
B. subsidiary.
C. secondary.
D. ancillary.

-Proper Shipping Names and Radioactive Material Types - Answer-B. subsidiary.

What is the first step involved in making a determination as to the hazard class of the
hazardous material?

-Proper Shipping Names and Radioactive Material Types - Answer-D. Identification

includes the process of gathering evidence to determine haz class definition

What is the DOT Hazard Class with the highest hazard ranking in DOT's Hazard Class
hierarchy chart?

A. 2
B. 5
C. 7
D. 9

-Proper Shipping Names and Radioactive Material Types - Answer-DOT Hazard Class
7, a material that meets the definition of a self-reactive material in 173.124((2) Division
4.1, is the highest hazard ranking in DOT's Hazard Class hierarchy chart

Is it possible for a Class 7 material to also meet the definitions of one or more other
Hazard Classes?

A. Yes, if by air
B. Yes, but only if it's Class 3 and Class 8
C. Yes
D. No

-Proper Shipping Names and Radioactive Material Types - Answer-C. Yes.

obj: Identify the information that must be clearly marked in English on all packages of
non-bulk radioactive material to be shipped off-site.

-Marking, Labeling and Placarding - Answer-1. The container specification (i.e., DOT
7A) and the name of the package consignor and consignee

2. The proper shipping name and identification number (UN....)

, 3. Gross weight for packages weighing in excess 50 kg

4. Type A or Type B as appropriate

5. USA for export shipments

6. Directional arrows for liquid shipments

7. Reportable Quantity (if appropriate)

What label is required on a package of RAM with a reading of .005 mSv/h on the
surface of the package? The reading at one meter converts to a Transport Index of
zero, and the RAM is a non-fissile material.

A. Empty
B. Radioactive White I
C. Radioactive Yellow II
D. Radioactive Yellow III

-Marking, Labeling and Placarding - Answer-B. Radioactive White I

The Radioactive White I label is used for Surface max: 0.005 mSv/hr and Transport
Index (T.I.) = 0.

What label is required on a package containing a highway route controlled quantity
(HRCQ)?

A. Empty
B. Radioactive White I
C. Radioactive Yellow II
D. Radioactive Yellow III

-Marking, Labeling and Placarding - Answer-D. Radioactive Yellow III

The Radioactive Yellow III label is used for Surface max: 2 mSv/hr, Transport Index
(T.I.): More than 1, but not more than 10, Highway Route Controlled Quantity but if
Transport Index (T.I.) > 10, must be exclusive use.

Shipping Papers contain written information that is representative of visual marking,
labels, and placards.

A. True, but only for HRCQ shipments
B. True for all RAM shipments
C. False
D. False, except for shipments that require placards

-Marking, Labeling and Placarding - Answer-B. True for all RAM shipments