Fatigue life is expected to increase by
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Metallurgical Engineering · all questionsMetallurgical Testing and Inspection
Metallurgical Testing and Inspection
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Which of the following is a function of a developer
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With an increase in temperature, hardness of material . . . . . . . . and ductility . . . . . . . .
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A brale indentor used in Rockwell hardness test has the following geometry and material.
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The ductile fracture occurs in the forms of
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It is observed that the tensile flow stress of an aluminium alloy decreases on increasing the strain rate during the test. The possible magnitude for the strain rate sensitivity of the alloy is
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For a constant force, a rope breaks due to stress. Which of the following is useful to reduce the stress?
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For HRF scale load and indenter are used
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Which of the following is the most common method of packaging film?
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The permeability of a material describes
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In which of the stages, do we observe a constant deformation rate?
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Yield load per unit original cross-sectional area is called
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If true stress-true strain curve is given by σ = 1400ε0.33 Mpa then value of true strain will be
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The colour of fluorescent penetrant under the presence of a UV light is
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The ability of a material to remain magnetic after the magnetizing force is removed is called
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For higher temperatures, the creep rate . . . . . . . . with time.
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The strongest magnetic field in a coil is at the
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Match the items in Group 1 with the measurement methods in Group 2.
| Group 1 | Group 2 |
| P. Heat of fusion | 1. Optical microscope |
| Q. Grain size | 2. Dyepenetrant test |
| R. Hardness | 3. Calorimetry |
| S. Internal craks | 4. Viscosity meter |
| 5. Ultrasonic technique | |
| 6. Brinell test |
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What decreases fatigue strength
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How specimen placed in anvil for Izod test?
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