Creep & Stress Rupture MCQ
Test your knowledge with important Creep & Stress Rupture MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Creep & Stress Rupture MCQs on Bissoy. Bissoy App
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If the Larsen-Miller parameter is 50*103 at the temperature of 600 degrees. The C1 is equal to 50. Find the fatigue life of the component in hr?
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The Laser miller parameter is defined as ____________
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According to Larser-Miller parameter, the relation between the log of rupture time and the inverse of temperature is shown in which curve in the following figure?
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The Larser-Miller parameter is used to predict the creep strength and the life of the component in long time by comparing the results obtained at elevated temperature in shorter time.
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For a creep strain of 1% in 1000hr, determine the strain rate in sec-1 for the given material?
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According to Monkman and Grant, the relationship between the minimum creep rate and the rupture time is given as ________ (where the C and K are constant, and the tr is time to rupture and ε minimum creep rate).
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The high-temperature alloys are fabricated by which of the following method?
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Which of the following is not a nickel-based high-temperature application alloy?
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The Inconel is an alloy which consists of _____________
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Which of the following is not a high-temperature application precipitate?
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The Suzuki Interaction in the crystal lattice is defined as the interaction between _______
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Which of the following is preferred as solute for high-temperature application for metals?
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Which of the following strengthening mechanism is most effective in increasing the creep resistance of the material?
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The metal with ________ stacking fault energy has higher creep resistance.
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The larger grain material will have _________ equicohesive temperature(ECT), while the fine grain material will have ____________ ECT.
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The equicohesive temperature is a material property and always fixed for a given material.
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The equicohesive temperature is defined as the temperature at which both the grain and grain boundary have the same strength.
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As the temperature increases in polycrystalline metal, the nature of fracture change from _____________ to __________
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The strain rate sensitivity (m) in the superplastic material is __________
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The grain shape in the superplastic material is generally __________ and remains ___________ even after deformation.
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The superplasticity is reduced by the presence of the second phase particle in the matrix.
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The applied flow stress to cause the superplasticity of the material has to be ___________
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The two necessary conditions for superplasticity is higher temperature and low strain rate of deformation.
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The creep deformation rate of gamma iron is higher than alpha iron because the gamma iron is high-temperature phase.
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The activation energy of creep for a pure metal at high temperature is equal to activation energy of _____________
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The steady-state creep activation energy is given by the Arrhenius type rate equation ε = Ae-(Q/RT), where, Q = activation for rate-controlling step A = pre-exponent complex constant containing the frequency of vibration of the flow unit T = absolute temperature R = Universal gas constant The slope of the equation for log ε vs. log T plot will be equal to __________
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If the strain rate on the material increases, the Coble creep region of the creep map will _________
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The following creep map is plotted with homologous stress and temperature, as shown in the region. The Dislocation glide region is shown by region ________
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The following creep map is plotted with homologous stress and temperature, as shown in the region. The Nabarro-Herring creep region is shown by region ________
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The following creep map is plotted with homologous stress and temperature, as shown in the region. The coble creep region is shown by region ________