What is the definition of 'Área Controlada' according to the Brazilian regulation on radiological protection? I - It is an area subject to special...
What is the definition of 'Área Controlada' according to the Brazilian regulation on radiological protection?
I - It is an area subject to special protection and safety rules, with the purpose of controlling normal exposures and avoiding unauthorized or accidental exposures.
II - It is an area free of special radiological protection control, where ambient dose equivalent levels must be less than 0.5 mSv/year.
III - It is a material interposed between a radiation source and humans or the environment, with the purpose of attenuating the intensity of the radiation beam.
IV - It is the thickness of a specified material that, when introduced into the X-ray beam, reduces the radiation intensity by half.
a) Only I and II are correct.
b) Only I and IV are correct.
c) Only II and III are correct.
d) Only I and III are correct.
e) Only II and IV are correct.
I - It is an area subject to special protection and safety rules, with the purpose of controlling normal exposures and avoiding unauthorized or accidental exposures.
II - It is an area free of special radiological protection control, where ambient dose equivalent levels must be less than 0.5 mSv/year.
III - It is a material interposed between a radiation source and humans or the environment, with the purpose of attenuating the intensity of the radiation beam.
IV - It is the thickness of a specified material that, when introduced into the X-ray beam, reduces the radiation intensity by half.
a) Only I and II are correct.
b) Only I and IV are correct.
c) Only II and III are correct.
d) Only I and III are correct.
e) Only II and IV are correct.
💡 1 Resposta
Ed 
A definição de 'Área Controlada' de acordo com a regulamentação brasileira de proteção radiológica é a alternativa (a) "Apenas I e II estão corretas". Ou seja, é uma área sujeita a regras especiais de proteção e segurança, com o objetivo de controlar exposições normais e evitar exposições não autorizadas ou acidentais, e onde os níveis de equivalente de dose ambiental devem ser inferiores a 1 mSv/ano.
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