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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?
Finding the Heat of Reaction (Enthalpy) from Heats of Formation
Name two analytical methods commonly used in Industrial Hygiene. Illustrate your answer with two typical examples What are the four significant physical parameters that you would use to assess the thermal comfort of employees working in a hot and..
question 1 a the standard service illuminance for specific work activities is given in lux. what units are used in
Design a Heat Exchanger for the Following Duty: Reduced crude oil leaving a distillation unit with a flow rate of 3166.04 kL/d at 268 oC and is to be cooled to 243 oC by exchange with 62.8 kg/s pre-flashed crude oil coming from pre-flash unit at 206 ..
Application of reverse osmosis principles for the desalination of sea water
Chemical Oxygen Demand (COD, microbiological quality of drinking waters, Oxygen Sag curves, landfill gas, integrated hazardous waste management plan
What is the drawdown at the perimeter of the well pumping 225 gpm when both wells are operating?
Volume of Air Required for Combustion of a Natural Gas Mixture, A natural gas has the following analysis by volume:
Why fluids are important in chemical engineering - enormous number of materials normally exist as gases or liquids, or can be transformed into such phase and explain systematic description of change in fluid systems, mechanical change
Explain what is meant by the term Threshold Limit Values (TLVs). Describe briefly the different TLVs used by Industrial Hygienists. Outline the strengths and weaknesses of these occupational exposure limits and illustrate how they may best be u..
question 1suppose the system shown below. initially the gas is at 200 kpa and occupies a volume of 0.1 m3. the spring
1. the potential energy between two atoms can be represented as
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