CEDO Course MISTRAS
1. barriers are set up at how many mr/hr: 10 mr/hr
2. What is the inversion square law formula: I1 / I2 = D2 ^2 / D1 ^2
3. signs are set up at how many mr/hr: 2.5 mr/hr
4. what is the specific emission constant: 1 currie of Ir 192 is equal to 480 mr/hr
@ 1 Meter
5. Intensity is measured in what?: Milli Roentgen per hour mR/hr or Roentgen (
R)
6. what is the symbol and multiple of prefix giga: the symbol is G
the multiple is 10 to the power of 9
7. what is the symbol and multiple of prefix mega: symbol is M
multiple is 10 to the power of 6
8. what is the symbol and multiple of prefix kilo: symbol is k
multiple is 10 to the power of 3
9. what is the symbol and sub-multiple of the prefix milli: symbol is m
sub-multiple is 10^-3
10. what is the symbol and sub-multiple of the prefix micro: symbol is u
sub-multiple is 10^-6
11. what is the symbol and sub-multiple of nano: symbole is n
sub-multiple is 10^-9
12. what is the symbol to the unit name Meter: m
13. what is the symbol for the unit name kilogram: kg
14. what is the symbol for the unit name kelvin: K
15. how many millimeters in 1 inch: 25 mm
1
,16. what does A < B: A is less than B
17. what does A > B: A is greater than B
18. What does the acronym NEW stand for: Nuclear Energy Worker
19. What does the acronym CNSC stand for: Canadian Nuclear Safety Commission
20. What does the acronym AECB stand for: Atomic Energy Control Board
21. under CNS&CA regulations, what defines a competent person: one who
has fullfilled the education, training and experience requirements and successfully
passed the examination set by CNSC
22. Until fulfilling all requirements, an assistant is only allowed to operate
equipment while...: under personal supervision by an appointed supervisor who
is at a minimum a certified CEDO
23. What is considered to be personal supervision: continuous direct over the
shoulder supervision
24. gamma rays can be detected by human senses. True or False: False. Gamma
rays cannot be detected by any human sense
25. what MUST a CEDO have and use while using a gamma source: radiation
monitoring and detection equipment that will indicate the amount of ionizing radiation
(if any) received by the CEDO
26. Who's safety is the CEDO responsible for: his/her own, any employee of the
company for whom the inspection is being conducted and especially the general
public in the surrounding area
27. the definition of LICENSEE: the entity to which the licence has been issued.
company or individual
28. the definition of trainee: individual who has not completed training requirements
of the CNSC
2
, 29. the definition of a CEDO: individual who has training and experience in the
use and operation of a certified exposure device (camera) and has successfully
completed examinations by the CNSC
30. definition of trainee supervisor: appointed by the licensee
minimum CEDO
Knowledge, experience, sense of responsibility
31. definition of supervision: close, visual and uninterrupted supervision during
each phase
32. what is the intent of the CNS&CA and REGULATIONS: ensure compliance is
met by equal responsibility of both the licensee and the CEDO
33. Who is responsible to use all the required equipment once it has been
provided by the licensee: responsibility of the CEDO
34. In Canada, the use of x-ray machines for inspection purposes falls under
the jurisdiction of what appropriate act?: Provincial Occupational Health and
Safety Act
35. When working as a CEDO, there are equipment, tools and information with
which a CEDO must be familiar. these include but are not limited to....(name 10.
found on page 11 of CEDO personal certification guide): 1. Radiation detection
instruments such as survey meters
2. personal dosimeters or TLD's (badge)
3.Direct reading personal dosimeters that are callibrated.
4. Personal calibrated dosimeters that emit audible warning signal
5. survey meter capable of detecting radiation dose rates associated with exposure
devices
6. licensee-specifice make and model of certified exposure device and its accessories
3
1. barriers are set up at how many mr/hr: 10 mr/hr
2. What is the inversion square law formula: I1 / I2 = D2 ^2 / D1 ^2
3. signs are set up at how many mr/hr: 2.5 mr/hr
4. what is the specific emission constant: 1 currie of Ir 192 is equal to 480 mr/hr
@ 1 Meter
5. Intensity is measured in what?: Milli Roentgen per hour mR/hr or Roentgen (
R)
6. what is the symbol and multiple of prefix giga: the symbol is G
the multiple is 10 to the power of 9
7. what is the symbol and multiple of prefix mega: symbol is M
multiple is 10 to the power of 6
8. what is the symbol and multiple of prefix kilo: symbol is k
multiple is 10 to the power of 3
9. what is the symbol and sub-multiple of the prefix milli: symbol is m
sub-multiple is 10^-3
10. what is the symbol and sub-multiple of the prefix micro: symbol is u
sub-multiple is 10^-6
11. what is the symbol and sub-multiple of nano: symbole is n
sub-multiple is 10^-9
12. what is the symbol to the unit name Meter: m
13. what is the symbol for the unit name kilogram: kg
14. what is the symbol for the unit name kelvin: K
15. how many millimeters in 1 inch: 25 mm
1
,16. what does A < B: A is less than B
17. what does A > B: A is greater than B
18. What does the acronym NEW stand for: Nuclear Energy Worker
19. What does the acronym CNSC stand for: Canadian Nuclear Safety Commission
20. What does the acronym AECB stand for: Atomic Energy Control Board
21. under CNS&CA regulations, what defines a competent person: one who
has fullfilled the education, training and experience requirements and successfully
passed the examination set by CNSC
22. Until fulfilling all requirements, an assistant is only allowed to operate
equipment while...: under personal supervision by an appointed supervisor who
is at a minimum a certified CEDO
23. What is considered to be personal supervision: continuous direct over the
shoulder supervision
24. gamma rays can be detected by human senses. True or False: False. Gamma
rays cannot be detected by any human sense
25. what MUST a CEDO have and use while using a gamma source: radiation
monitoring and detection equipment that will indicate the amount of ionizing radiation
(if any) received by the CEDO
26. Who's safety is the CEDO responsible for: his/her own, any employee of the
company for whom the inspection is being conducted and especially the general
public in the surrounding area
27. the definition of LICENSEE: the entity to which the licence has been issued.
company or individual
28. the definition of trainee: individual who has not completed training requirements
of the CNSC
2
, 29. the definition of a CEDO: individual who has training and experience in the
use and operation of a certified exposure device (camera) and has successfully
completed examinations by the CNSC
30. definition of trainee supervisor: appointed by the licensee
minimum CEDO
Knowledge, experience, sense of responsibility
31. definition of supervision: close, visual and uninterrupted supervision during
each phase
32. what is the intent of the CNS&CA and REGULATIONS: ensure compliance is
met by equal responsibility of both the licensee and the CEDO
33. Who is responsible to use all the required equipment once it has been
provided by the licensee: responsibility of the CEDO
34. In Canada, the use of x-ray machines for inspection purposes falls under
the jurisdiction of what appropriate act?: Provincial Occupational Health and
Safety Act
35. When working as a CEDO, there are equipment, tools and information with
which a CEDO must be familiar. these include but are not limited to....(name 10.
found on page 11 of CEDO personal certification guide): 1. Radiation detection
instruments such as survey meters
2. personal dosimeters or TLD's (badge)
3.Direct reading personal dosimeters that are callibrated.
4. Personal calibrated dosimeters that emit audible warning signal
5. survey meter capable of detecting radiation dose rates associated with exposure
devices
6. licensee-specifice make and model of certified exposure device and its accessories
3
