A standard respirator with a HEPA filter can be used for very short exposure to fumes from welding _____
a. zinc or copper
b. stainless steel
c. high-carbon steel
d. titanium
a
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The price of a gallon of gasoline went from $3.19 to $3.41. What is the percent increase, to the nearest tenth of a percent?
A) 93.5% B) 1.1% C) 6.9% D) None of these
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If the driven gear of a gear set has 40 teeth and the drive gear has 10 teeth this would make a ratio of:
a. 4:1 b. 40:1 c. 10:1 d. 0.25:1
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Flash memory is considered to be
A) a smaller hard drive. B) for only temporary use. C) optical memory. D) a solid state storage device.
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_____ energy includes the stored energy associated with food, gasoline, matches, and batteries.???
A. ?Nuclear? B. ?Biological? C. ?Electromagnetic? D. ?Chemical
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