Answer the following statement(s) true (T) or false (F)
1. A stream of high pressure gas can cut like a knife blade.
2. A few millivolts applied directly to the heart can cause fibrillation and death.
3. Occupational noise-induced hearing loss occurs over a period of several years.
4. Assessing hazardous noise conditions in the workplace involves conducting periodic audiometric tests and record keeping.
1. True
2. True
3. True
4. True
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A. hard hats B. bump hats C. plastic caps D. hard shells
Good ventilation is important when working around refrigeration equipment because modern refrigerants ____.
A. are toxic and can poison you B. have an unpleasant odor C. are heavier than air and may displace the oxygen around you D. Both a and c.
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a. poison ivy c. pigweed b. musk thistle d. white snakeroot
A(n) ____ is the primary computation unit in a digital computer.
A. adder B. subtractor C. comparator D. multiplexer