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**Unformatted text preview: **Multiple Choice Section 3.2 1. Which one of the following is an SI base unit? a. dyne b. newton c. milliliter d. ampere e. joule Section 3.2 2. The kilo is a. a unit of mass b. a unit employed in medical terminology c. a decimal multiplier in the metric system d. a unit of speed e. a volume unit employed by the DEA (drug enforcement agency) Section 3.2 3. The SI base units of temperature and mass respectively are a. degree and gram b. kelvin and kilogram c. celsius and milligram d. o K and kilogram e. kelvin and gram Section 3.2 6. The boiling point of barium is 725 o C. Determine the equivalent value in o F a. 435 o F b. 1337 o F c. 1247 o F d. 1362 o F e. 1273 o F Section 3.2 7. The melting point of antimony is listed in one handbook as 630.74 o C. Determine the equivalent value in o F a. 382.41 o F b. 1103.3 o F c. 1077.7 o F d. 1167.3 o F e. 1192.9 o F Section 3.2 8. On a day in the summer of 1992, the temperature fell from 98 o F to 75 o F in just three hours. The temperature drop expressed in celsius degrees (C o ) was a. 13 C o b. 41 C o c. 45 C o d. 9 C o e. 75 C o Section 3.2 9. On a day in the summer of 1976, the temperature fell from 95 o F to 75 o F in just three hours. The temperature drop expressed in celsius degrees (C o ) was a. 11 C o b. 13 C o c. 18 C o d. 20 C o e. -12 C o Section 3.2 10. The melting point of antimony was listed in one handbook as 1167.3 o F. Expressed in kelvins this temperature would be a. 357.6 K b. 496.8 K c. 583.7 K d. 894.2 K e. 903.9 K Section 3.4 16. An electronic scale used in the mailroom is calibrated (and displays) in tenths of a kilogram from 1 to 140 kg. Determine how many significant figures should be used to express the mass of anyone using the scale whose mass is between 80.2 and 83.5 kg. a. 3 b. 5 c. 4 d. 2 e. 1 Section 3.4 17. Which response gives the correct number of significant figures for all three of the following meas-urements? #1) 7.103 cm #2) 0.00005 inch #3) 1.3400 x 10-4 dm 3 a. 3, 5, and 4 b. 3, 1, and 3 c. 4, 1, and 3 d. 4, 1, and 5 e. 4, 5, and 5 40 Section 3.4 18. After evaluating the expression, 221.8027.0726.13+ how many significant figures should be displayed in the result? a. 1 b. 2 c. 3 d. 4 e. 5 Section 3.4 19. How many significant figures should there be in result of the operation, 8.5201 + 1.93? a. 1 b. 2 c. 3 d. 4 e. 5 Section 3.4 20. When the expression, 412.272 + 0.00031 - 1.00797 + 0.000024 + 12.8, is evaluated, the result should be expressed as a. 424 b. 424.0 c. 424.1 d. 424.06 e. 424.064364 Section 3.4 21. When the expression, 16.0200 + 0.00048 - 11.184 - 221.1, is evaluated, the result should be ex-pressed as a. -216.3 b. -216.26 c. -216.2635 d. -216.26352 e. -2.2 x 10 2 Section 3.4 22. One radio station operates on an assigned frequency of 96.3 megahertz while another one operates on an assigned frequency of 1280 kilohertz. What is the ratio of the larger to the smaller value? ...

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