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Your quality control/quality assurance manager has requested your assistance in the testing and repair facility. One of the test procedures utilizes a radiation source that…

Your quality control/quality assurance manager has requested your assistance in the testing and repair facility. One of the test procedures utilizes a radiation source that is emitting gamma radiation at a rate of 50 mrem/hour at a distance of 1 foot. This testing is done for approximately 2 hours per day, 2 days per week. The Occupational Safety and Health Administration (OSHA) has a PEL of 1.25 rem per quarter and 5 rem per year.Determine the employee’s exposure for 1 year.Calculate the exposure rate if the employee was moved to a distance of 3 feet from the radiation source.Calculate the exposure rate of the employee if a 5 cm lead shield was installed between the source and the detector. The employee is working at a distance of 1 foot from the source. [µ for lead, (662 keV gamma ray) = 1.23cm-1]
Sample Solution

Current cetacean cerebrums are among the biggest of all creatures in the set of all animals, in mass correlation with body size, having a remarkable fundamental neocortical authoritative plan that enables them to show intellectual and social intricacy that could coordinate with our nearest phylogenetic family members, the incredible chimps (Marino, L. 2004). Understanding executioner whale neuroanatomy is fundamental since, as different dolphins, they show proof of numerous intricate social, informative, and psychological limits diverse to different species (Marino, L. et. al. 2004). Investigations of their mind uncovers a basic multifaceted nature that could bolster complex data handling, taking into consideration astute, objective conduct (Marino, L. 2007). This shows dependent on the size of their mind and encephalization remainder, orcas are among the most insightful creatures on the planet (Anderson, R. 2016). There are a few snags understanding the cerebrum development of these creatures as the mind doesn’t fossilize, just the external shape can be considered in regular endocasts (William, F, 2008). Moreover, the little data and concentrates on executioner whale cerebrums could likewise be because of the troubles related with planning and looking at such an enormous mind. (Marino, L, et. al. 2004) Trough (2006) suggested that the beginning of huge minds in odontocetes is connected to the cooling of maritime temperatures, conversely, most investigations infer that cetacean development was not caused legitimately by environmental change, rather it is accepted that it influenced sea dissemination and natural ways of life (Perrin, F. 2008). Current investigations propose that the huge size of dolphin cerebrums was essentially a reaction to social powers, with the need of viable working inside an unpredictable society where correspondence and coordinated effort just as rivalry among bunch individuals is extremely significant as people can profit by acknowledgment of others and information on their connections, and from adaptability in adjusting or actualizing new practices as the social or biological setting changes (Marino, L. 2007). Results in an examination made by Marino. L (2004) show an expansion in encephalization at the inception of Odontoceti that might be identified with the improvement echolocation, the capacity to process high-recurrence acoustic informa>

Current cetacean cerebrums are among the biggest of all creatures in the set of all animals, in mass correlation with body size, having a remarkable fundamental neocortical authoritative plan that enables them to show intellectual and social intricacy that could coordinate with our nearest phylogenetic family members, the incredible chimps (Marino, L. 2004). Understanding executioner whale neuroanatomy is fundamental since, as different dolphins, they show proof of numerous intricate social, informative, and psychological limits diverse to different species (Marino, L. et. al. 2004). Investigations of their mind uncovers a basic multifaceted nature that could bolster complex data handling, taking into consideration astute, objective conduct (Marino, L. 2007). This shows dependent on the size of their mind and encephalization remainder, orcas are among the most insightful creatures on the planet (Anderson, R. 2016). There are a few snags understanding the cerebrum development of these creatures as the mind doesn’t fossilize, just the external shape can be considered in regular endocasts (William, F, 2008). Moreover, the little data and concentrates on executioner whale cerebrums could likewise be because of the troubles related with planning and looking at such an enormous mind. (Marino, L, et. al. 2004) Trough (2006) suggested that the beginning of huge minds in odontocetes is connected to the cooling of maritime temperatures, conversely, most investigations infer that cetacean development was not caused legitimately by environmental change, rather it is accepted that it influenced sea dissemination and natural ways of life (Perrin, F. 2008). Current investigations propose that the huge size of dolphin cerebrums was essentially a reaction to social powers, with the need of viable working inside an unpredictable society where correspondence and coordinated effort just as rivalry among bunch individuals is extremely significant as people can profit by acknowledgment of others and information on their connections, and from adaptability in adjusting or actualizing new practices as the social or biological setting changes (Marino, L. 2007). Results in an examination made by Marino. L (2004) show an expansion in encephalization at the inception of Odontoceti that might be identified with the improvement echolocation, the capacity to process high-recurrence acoustic informa>
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