Performance Measures and Life Cycle Cost Analysis (LCCA)
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Questions and Answers

What technology is used in Non-Destructive Testing for detecting cracks and defects?

  • Ground-penetrating radar (correct)
  • Underwater sonar
  • Thermal cameras
  • Satellite imaging

Which of the following is a requirement for performance condition indices?

  • Subjectivity
  • Complexity
  • Vagueness
  • Completeness (correct)

What is a limitation of performance condition indices?

  • Ease of aggregation
  • Integrating subjective ratings
  • Difficulty in including technology (correct)
  • Comprehensive coverage

In a Markov chain, the future state of the system depends on the past through which variable?

<p>$X_n$ (D)</p> Signup and view all the answers

What does the Building Condition Index (BCI) measure?

<p>Deferred maintenance in relation to replacement value (D)</p> Signup and view all the answers

Which type of process involves a sequence of random variables in a 'state space'?

<p>Markov process (A)</p> Signup and view all the answers

What are the needs of performance measures as discussed in the text?

<p>To signal suppliers and users (B)</p> Signup and view all the answers

What is a limitation in assembling performance information according to the text?

<p>Consistency in data collection methods (A)</p> Signup and view all the answers

What are some approaches to performance condition assessment mentioned in the text?

<p>Condition Indices (D)</p> Signup and view all the answers

Which of the following is an example of a condition assessment measure discussed in the text?

<p>Total length of cracks per lane mile for pavement (C)</p> Signup and view all the answers

What is a characteristic of subjective ratings as explained in the text?

<p>Use a predefined, arbitrary scale (A)</p> Signup and view all the answers

How is Present Serviceability Rating (PSR) used in subjective ratings?

<p>To categorize present conditions based on a scale (C)</p> Signup and view all the answers

What does the text suggest about the need for empirical studies?

<p>Empirical studies are essential for deriving key parameters in performance condition assessment. (A)</p> Signup and view all the answers

Based on the information provided, what can be inferred about bridge transitions over time?

<p>Without rehab or repair, bridges can only deteriorate over time. (B)</p> Signup and view all the answers

What is the primary focus of Reliability-Based Management according to Frangopol (2001)?

<p>Maximizing reliability while minimizing costs (D)</p> Signup and view all the answers

What led to the emphasis on the 4R's in relation to bridge management systems?

<p>Bridge failure incidents (D)</p> Signup and view all the answers

Which approach is highlighted as a response to scarce funds in bridge management?

<p>'Condition-based' assessments (A)</p> Signup and view all the answers

What plays a significant role in estimating actual transitions in bridges?

<p>Probabilistic models like P = [0.71, 0.95, 0.96, 0.96, 0.97, 0.97, 0.97, 0.93, 0.86, 1] (D)</p> Signup and view all the answers

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