Q. Define Threshold stress regarding stress-corrosion cracking.

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Q. As stress-corrosion cracks penetrate the material, the cross-sectional area gets reduced under constant tensile load.

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Q. Which of the following is/are the environments that cause stress-corrosion cracking to titanium?

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Q. Which of the following is/are the metallurgical factors that affect stress-corrosion cracking?

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Q. Which of the following type of stress has an important role in rupturing protective films during both the initiation and propagation of cracks?

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Q. Which of the following stress-corrosion cracking mechanism is highly acceptable?

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Q. Which of the following is/are the preventions of stress-corrosion cracking?

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Q. Corrosion fatigue is defined as the reduction of fatigue resistance due to the presence of a corrosive medium.

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Q. What is meant by fatigue?

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Q. What is the nature of fatigue fracture?

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Q. Define the fatigue limit of a metal.

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Q. Which of the following is/are the factors that influence corrosion fatigue?

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Q. Which of the following is/are the facts that indicate the reduction in fatigue resistance of metal?

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Q. Which of the following is/are the preventions of corrosion fatigue?

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Q. Hydrogen damage refers to the mechanical damage of a metal caused by the presence of or interaction of hydrogen.

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Q. Which of the following is/are the types of hydrogen damage?

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Q. What is meant by hydrogen blistering?

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Q. What is meant by hydrogen embrittlement?

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Q. Which of the following types of hydrogen damage processes are high-temperature processes?

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Q. Which of the following industries has a major concern on hydrogen blistering?

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