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Question 1:
What are the heat-induced disorders that may result from excessive exposure to a hot working environment? How can we alleviate such health problems?
Question 2:
Describe the basic procedures that an Industrial Hygienist must follow to ensure valid dust sampling in a workplace. What additional component must be connected to the sampling pump to collect respirable dust?
Question 3:
a) Workplace Exposure Limits (WEL) are used by Industrial Hygienists as guidelines to safeguard employees from hazardous substances at work. Describe briefly the different types of such hygiene standards.
b) Outline the limitations of these workplace exposure limits and illustrate how they may be used as part of an overall control strategy for hazardous substances.
Arteries - Circulation The arteries deliver blood from the heart. Figure shows the structure of arteries and the different layers of the vessel wall. The thick walls of these
what are the two main subdivisions of the phylum chordata
To study if bacteria grow better where it is warm or cold Again inoculate two sterile dishes. Label one 'warm' and the other 'cold'. Place the 1st dish in a dark warm place an
Define salient modifiable factors which affect birth weight? The following are the salient modifiable factors which affect birth weight and gestation adversely: Iron deficiency
Write down all the four quantum numbers of the electron in the outermost shell of rubidium (At. no.= 37) atom. a) What type of hybridization is associated with N in NH 3 ? b
What are plant tissues that constitute the functional structures of the leaf veins ? The Leaf veins are made of the vascular tissues.They are constituted by the xylem and the p
Define briefly about the Selenium? The element selenium was discovered in 1817 in association with the element sulphur. However, selenium as an essential nutrient remained unre
Explain the Body Tube of Microscope? Above the stage and attached to the arm is the body tube, to which eye piece(s) or ocular lens and revolving nosepiece is attached. Microsc
Describe three ways that RNA differs from DNA. RNA is single stranded; DNA is double stranded all of the codons from the deletion point to the end of the transcript would be s
Agro-industrial byproducts Agro-industrial by-products in Southeast Asia are available in plenty, due to the emphasis on crop cultivation. By-products of agro-industries repre
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