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What is the primary factor for dust gaining entrance to the alveolar regions of the lung? Particle size In decision theory, if you are concerned with testing the significance of the departure of an observed value in either a positive or a negative direction from the value indicated by our hypothesis, which test would you select? A two tailed test Describe the coefficient of variation? The standard deviation divided by the mean What is the effect of local or generalized grey-blue colored impregnation of the skin tissue with silver called? Argyria One of your subordinates brings you a study indicating a coefficient of correlation of -0.4 concerning the wearing of personal protective equipment and the prevention of injuries during a particular parts washing operation. What do you think the study shows? Not enough information to make a decision What are the three basic legal principles that can be used by plaintiffs in product liability cases? Negligence, strict liability, breach of warranty What is not a factor in cost effectiveness analysis, but is a factor in cost benefit analysis? Cost of operation if project is not completed Which of the following is not true concerning the establishment of management goals for the occupational safety and health program? Management goals should be published What is the preferred angle for fixed industrial ladders? 75 to 90 degrees A contractor fails to guard a large excavation filled with water and a small child drowns in the excavation over the weekend. The contractor could be found negligent under which of the following legal doctrines? Attractive nuisance or attractive allurement What type of probability may be specified by the obvious nature of happenings? Priori What could (Halon 1211) release during decomposition that can be considered hazardous? Hydrogen fluoride Acetylene reacts with all of the following metals except? Gold What device is best suited for continuous, smooth, variable control? Rotary knob What is the preferred way to purge a 30 foot diameter tank with a flat bottom and flattop? Siphon tubes A large dip tank of trichloroethylene is located next to a large sealed tank containing 50% sodium hydroxide solution. What hazards would be encountered if these materials are allowed to contact? Fire and explosion From preceding flashcard, you discover the tank containing NaOH is made of aluminum-any problems? NaOH rapidly corrodes aluminum The Ames test is used to provide information about what characteristic of a material? Mutagenecity The explosimeter or combustible gas indicator operates on which principle? Heat of combustion What disease is associated with slaughterhouses? Q-fever When a liquid is used in a packed tower or scrubber and dissolves or reacts chemically with the gas or vapor that is to be removed-what is the process known as? Absorption What is the audible range for an average young person with unimpaired hearing? Between 20-20,000HZ What disease is associated with the wool industry ? Anthrax What does the term bioaccumulation refer to? Movement of trace metals in the food chain According to Raoults law, if a non-volatile solute is added to a volatile solvent, the vapor pressure is __________ and the boiling point is ______________ Lowered, increased