In Designing Buildings to Be Erected in an Area Prone

question 23

Multiple Choice

In designing buildings to be erected in an area prone to earthquakes,what relationship should the designer try to achieve between the natural frequency of the building and the typical earthquake frequencies?

• A) The natural frequency of the building should be exactly the same as typical earthquake frequencies.
• B) The natural frequency of the building should be very different from typical earthquake frequencies.
• C) The natural frequency of the building should be almost the same as typical earthquake frequencies but slightly higher.
• D) The natural frequency of the building should be almost the same as typical earthquake frequencies but slightly lower.

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Definitions:

Heritability

The proportion of variation in traits within a population that can be attributed to genetic differences among individuals.

Genetic Differences

Variations in the DNA sequences among individuals, which contribute to the diversity of organisms' characteristics.

Total Variance

In statistics, the sum of explained and unexplained variance, representing the total amount of variability in a dataset.

Heritability Estimates

Statistical measures that indicate what proportion of variation in a trait within a population can be attributed to genetic differences among individuals in that population.