0007189-justifiable precision and accuracy
TRANSCRIPT
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QUIZ
Justifiable Precision and Accuracy in Structural and Civil
Engineering Calculations1. Until the mid-1970 s, an engineer using a slide rule could report an answer to
___________________ significant figures.
a. One or twob. Two or threec. Three or fourd. Five or six
2. The quality of being exactly or sharply defined or stated is:
a. Accuracyb. Precisionc. Errord. None of the above
3. The quality of freedom from mistake or error:
a. Accuracyb. Precisionc. Error
d. None of the above
4. Per ASTM E29, the rule when multiplying or dividing is that the result shall contain ____________ significant digits than the value with the smaller number of significantdigits.
a. Moreb. Less thanc. Two timesd. No more
5. In structural design calculations, the Load Effect should be ___________ than theStructural Resistance.
a. Greater thanb. Greater than or equal toc. Less thand. Less than or equal to
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6. The dead load on a structure can be predicted with ______________ certainty thanthe transient live load.
a. Greaterb. Lessc. Equald. Indeterminate
7. Design live loads determined using ASCE 7 can be determined to how manysignificant figures?
a. One or twob. Two or three
c. Three or fourd. Five or six
8. Load combinations can be determined to how many significant figures?
a. One or twob. Two or threec. Three or fourd. Five or six
9. For practical structural calculation applications, the maximum number of significantfigures that should be reported is:
a. 1b. 3c. 5d. 7
10. The design strength of reinforced concrete should not be reported to a level ofprecision greater than _______ significant figures
a. 1b. 2c. 3d. 4