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Maximum permissible dose of radiation:

# The maximum permissible dose of radiation to the operator of an X ray machine is:
A. 0.05 rem per year
B. 0.5 rem per year
C. 5.0 rem per year
D. 50 rem per year


The correct answer is C. 5.0 rem per year.


Occupational dose limit Maximum permissible dose per year
1. Gonad/ Bone marrow 5 rem
2. Skin15 rem


Non occupational dose limit Maximum permissible doses per year
1. Embryo/ Fetus gestation period 0.5 rem 
2. General public 0.5 rem
3. Skin 15 rem
NOTE: 1 Sievert = 100 rem

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