- Remain same
- Decreases
- Increases
- None of these
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When a dielectric material is subjected to alternating field, the absorption of energy by the material from the field is given by the imaginary part of polarizability.?
Answer: Option 1 Let'
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The toughness of a material _________ when it is heated?
Answer: Option 3 Let'
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The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to?
Answer: Option 3 Let'
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When metals are heated to high temperature, their __________ increases in general.?
Answer: Option 1 Let'
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Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.?
Answer: Option 2 Let'
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Which of the following tests measures the toughness of road aggregates ?
Answer: Option 3 Let'
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The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material.?
Answer: Option 3 Let'
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Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?
Answer: Option 2 Let'
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The maximum value, which the residual stress in a material can reach is the __________ of the material.?
Answer: Option 1 Let'
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