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QUESTION
a) Personal protective equipment are only used when it has proven impractical to control occupational hazards by engineering or other means. Briefly, what are the three key areas you would consider to ensure the successful implementation of a user programme at the workplace?
b) Name two analytical methods commonly used in Industrial Hygiene. Illustrate your answer with two typical examples
c) What are the four significant physical parameters that you would use to assess the thermal comfort of employees working in a hot and humid environment?
d) The Radiation Protection Act 2003 makes provisions for the protection of people against the risks from ionising radiations. What are the health effects associated with exposure to non-ionising radiation widely used in everyday life?Your answer should include three examples of such type of radiation and the precautions to be observed
e) LD 50 is an important toxicity index used in Industrial Toxicology. What is its significance to workers handling pesticides?
Describe issues to be considered when developing an evacuation procedure to help ensure the safe evacuation of employees and visitors in the event of a fire Outline the benefits of undertaking regular fire drills in the workplace
Assist with the setting of design variables necessary for sizing equipment
The potential energy between two atoms A and B are constants and r the interatomic separation distance.
Use Laplace transformation to solve the initial value problem
The effect of a hazardous substance depends on the concentration of the substance that is present in the body's systems. The concentration depends on the stages of toxicokinetics What are the four main stages of toxicokinetics
Handling operations for solid/powder substances are often a source of dust generation and are a source of exposure to hazardous substances in industries. Describe in details the measures that can be taken to prevent exposure during the following s..
Draw T-S diagram of the cycle.
Application of reverse osmosis principles for the desalination of sea water
Equal rates of mass transfer for the production of the fine chemical are required. This is often required for certain types of organic synthesis.
Outline the provisions of Occupational Safety and Health Act 2005 with regard to Substances hazardous to health Describe four types of hazard which arise from the use of chemicals
Evaluate particle diameter at different terminal gas velocities
Calculate the molar fraction of the system in the vapor phase
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