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Zorluk: ZorInferring Meaning from Examples and Explanations

In high-stress structural engineering, materials often undergo creep—the gradual, permanent deformation of solid components subjected to prolonged mechanical load below their ultimate yield strength. For example, high-pressure steam pipes slowly sag over decades of continuous operation, weighted turbine blades in jet engines imperceptibly stretch under centrifugal load, and prestressed concrete bridge spans subtly settle over time. Because creep occurs even under forces the structure was initially designed to withstand, engineers must select specialized heat-resistant superalloys and regularly inspect components for progressive dimensional distortion.

Based on the examples and explanation in the passage, what does the term "creep" most nearly mean?

  1. A
    The sudden fracture of brittle materials when exceeding structural yield limits
  2. The slow and permanent physical distortion of materials under continuous loadCevap
  3. C
    The quiet, stealthy movement of an entity to avoid detection
  4. D
    The temporary elastic expansion of metals caused by rapid thermal fluctuations

Cevap

The slow and permanent physical distortion of materials under continuous load
The passage defines 'creep' using both an explanatory clause ('gradual, permanent deformation of solid components subjected to prolonged mechanical load') and concrete examples (pipes sagging over decades, blades stretching, and bridge spans settling). Together, these clearly establish that 'creep' refers to the slow, irreversible physical distortion of materials under sustained load.

Adım Adım Çözüm

1
Locate the target term and its immediate explanatory context in the passage
The target term 'creep' is directly followed by an appositive definition: 'the gradual, permanent deformation of solid components subjected to prolonged mechanical load below their ultimate yield strength.'
Direct explanatory clauses define the foundational scope of the technical term.
2
Analyze the illustrative examples provided in the following sentence
Examples include steam pipes that 'slowly sag over decades', turbine blades that 'imperceptibly stretch', and concrete spans that 'subtly settle'.
Concrete examples confirm that the process involves slow, progressive dimensional changes occurring under sustained stress over time.
3
Match the synthesized evidence against the answer choices
The option stating 'The slow and permanent physical distortion of materials under continuous load' captures both the gradual nature and the permanent physical deformation described.
Eliminates common colloquial meanings and inaccurate technical mechanisms.

Anahtar Kavram

Inferring Vocabulary Meaning from Context Examples and Explanations
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Konular

Inferring Meaning from Examples and Explanations

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