- Dynamic loading
- Static loading
- Combined static and dynamic loading
- Completely reversed loading
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When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor and W = Axial compressive load on the spring)?
Answer: Option 4 Let'
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When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is?
Answer: Option 3 Let'
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The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to?
Answer: Option 4 Let'
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When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum normal stress is?
Answer: Option 1 Let'
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When a body is subjected to biaxial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then maximum normal stress is?
Answer: Option 1 Let'
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When a body is subjected to biaxial stress i.e. direct stresses ($${\sigma _{\text{x}}}$$) and ($${\sigma _{\text{y}}}$$) in two mutually perpendicular planes accompanied by a simple shear stress ($${\tau _{{\text{xy}}}}$$ ), then maximum shear stress is?
Answer: Option 1 Let'
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When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.?
Answer: Option 2 Let'
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According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.?
Answer: Option 1 Let'
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Fatigue failure of a material may occur, when it is subjected to __________ stress.?
Answer: Option 1 Let'
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Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity)?
Answer: Option 3 Let'
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