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QUESTION 1
(a) Describe the main purpose of the Globally Harmonised System of Classification and Labelling of Chemicals
(b) Outline the bridging principles for classification of mixtures
(c) Briefly describe the different types of studies and tests available for categorizing chemicals
QUESTION 2
(a) Briefly describe the main factors that affect diffusion across cell membranes
(b) What are the main activities relevant to the local context where occupational exposure to metals is possible?
(c) Describe the main modes of toxicity associated with metals. Illustrate your answer with relevant examples
QUESTION 3
(a) Describe the main elements of a Chemical Risk Assessment
(b) Explain the following terms that are usually encountered in an MSDS
(c) Outline the applications of a dose response curve in industrial toxicology
Eliminate Differences in composition and eliminate differences in temperature, pressure and phase
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Calculating the Maximum Volume of Fermentor that can be used without Additional Cooling, The heat generated by fermentor is 60 kcal/hr L. The cooling capacity of jacket is 10,000 kcal/hr m^2. For a cylindrical fermentor with H/D of 3, the jacket a..
Draw T-S diagram of the cycle.
production of chemicals from coalcoal has been considered a major component of u.s. energy reserves for a long time and
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The potential energy between two atoms A and B are constants and r the interatomic separation distance.
Elaborate on the hierarchy of control measures used in Industrial Hygiene How would you calculate the noise problem at the factory and what control measures would you consider before you recommend the supply of hearing protection to personnel ex..
Evaluate particle diameter at different terminal gas velocities
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Equal rates of mass transfer for the production of the fine chemical are required. This is often required for certain types of organic synthesis.
Describe the principles of a vapour adsorption refrigeration system, and compare this to a vapour recompression system. Which of the two systems is more suitable for refrigeration processes in a brewery or distillery and why?
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