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Прочитайте текст и ответьте на вопрос: What is fatigue Fatigue is the growth of cracks under stress....: ответ на тест 933218 - Английский язык

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What is fatigue?
Fatigue is the growth of cracks under stress. It occurs when a mechanical part is subjected to a repeated or cyclic stress such as vibration. Even when the maximum stress never exceeds the elastic limit, failure of the material can occur even after a short time. No deformation is seen during fatigue, but small localized cracks develop and propagate through the material until the remaining cross-sectional area cannot support the maximum stress of the cyclic force. Knowledge of tensile stress, elastic limits, and the resistance of materials to creep and fatigue are of basic importance in engineering.
Варианты ответов
  • It is the resistance of materials to creep.
  • It is the maximum stress of the cyclic force.
  • It is a repeated or cyclic stress.
  • It is the growth of cracks under stress.
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Вопрос задал(а): Анонимный пользователь, 13 Ноябрь 2020 в 16:22
На вопрос ответил(а): Анастасия Степанова, 13 Ноябрь 2020 в 16:22

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Прочитайте текст и ответьте на вопрос:
What is fatigue?
Fatigue is the growth of cracks under stress. It occurs when a mechanical part is subjected to a repeated or cyclic stress such as vibration. Even when the maximum stress never exceeds the elastic limit, failure of the material can occur even after a short time. No deformation is seen during fatigue, but small localized cracks develop and propagate through the material until the remaining cross-sectional area cannot support the maximum stress of the cyclic force. Knowledge of tensile stress, elastic limits, and the resistance of materials to creep and fatigue are of basic importance in engineering.
It is a repeated or cyclic stress.
It is the resistance of materials to creep.
It is the maximum stress of the cyclic force.
It is the growth of cracks under stress.

Вопрос № 1006971

Fatigue is the growth of cracks under stress. It occurs when a mechanical part is subjected to a repeated or cyclic stress such as vibration. Even when the maximum stress never exceeds the elastic limit, failure of the material can occur even after a short time. No deformation is seen during fatigue, but small localized cracks develop and propagate through the material until the remaining cross-sectional area cannot support the maximum stress of the cyclic force. Knowledge of tensile stress, elastic limits, and the resistance of materials to creep and fatigue are of basic importance in engineering.
Прочитайте текст и ответьте на вопрос:
What is fatigue?
It is the maximum stress of the cyclic force.
It is the resistance of materials to creep.
It is a repeated or cyclic stress.
It is the growth of cracks under stress.

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