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QUESTION
Solvents are among the most commonly used chemicals in workplaces. Workers in different jobs regularly use solvents for degreasing, metal cleaning, and as paint thinners or lubricants.
(a) Outline at least ten factors to be considered when assessing the health risks from exposure to solvents in a factory producing home furniture with a range of painted and varnished finishes.
(b) Solvents have been observed to show neurotoxicity. Explain the term neurotoxicity. List the neurotoxicity symptoms normally associated with short-term and long term exposure to vapours of solvents.
(c) List and elaborate in terms of priority at least five possible measures you would adopt to control the exposure of workers to solvents
(d) An industrial continuous process liberates 0.2 Cubic meter of a solvent chlorobenzene per hour into a room that measures 6.0 meters by 12.0 meters feet and has a ceiling of 4.0 meters height. What minimum general exhaust ventilation in cubic meters per minute is necessary to prevent a general health hazard in this room? The PEL for chlorobenzene is 75 ppm
What other information would be required to be able to write a more complete Product Design Specification and derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustra..
1. prepare a schematic diagram below of the major parts of the sem filament anode wehnelt condenser lens objective lens
creating the pumping and piping system to supply cool water to the condenser
gain and output noise power, Third Order Intermodulation Products, G/T specification, G/T ratio, 2G system architecture, polar orbiting satellites and geostationary satellites, INTELSAT and INSAT satellites, RF communication system
Objective of this task is to collect and obtain information on variables of interest in a systematic way to prepare the required data for studying the decline rates of Bakken wells.
I would like to use the each following methods to answer the (same question) as attached : VALUE MEASUREMENT MODELS GOAL PROGRAMMING OUTRANKING (ELECTRE I)
Using the data provided on the webvista site in the file marked vdw.txt, try to develop a mathematical equation for the vdW potential we discussed in class, U(x), that best fits the data
Calculate the airway resistance and the frictional pressure drop and determine the equivalent length for a sudden contraction in a mine airway from a cross-sectional area
CI-3110 - Give key reasons for the BP Texas City refinery explosion. What are recommendations to prevent further catastrophic event and what does SIS include
how rayleigh scattering occurs in optical fiber cable
Some home ISDN "modems" will combine two BRI channels together. What would the data rate be if you could use both channels simultaneously for data transmission?
Determining the shape of shafts and the size of shafts - Detail the unit operations within a conventional drill and blast shaft sinking operation including the shaft bottom operations as well as those undertaken on the sinking stage.
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