- Does not change
- Increases
- Decreases
- None of the Above
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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 2 The toughness of a material decrease when it is heated.
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The strain energy stored in a body, when the load is gradually applied, is (where σ = Stress in the material of the body, V = Volume of the body, and E = Modulus of elasticity of the material)?
Answer: Option 4 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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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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Insurance refers to protection against an event that _________ happen whereas Assurance refers to protection against an event that _________ happen.?
Answer: Option 2 Insurance refers to protection against an event that might happen whereas Assurance refers to protection against an event that will happen.
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The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called?
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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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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