A curved beam has neutral axis is curved while loaded and straight whe

1.	A curved beam has neutral axis is curved while loaded and straight when unloaded.
A.	True
B.	False
Answer» C.

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A_CURVED_BEAM_WITH_ECCENTRICITY_0.02D_IS_LOADED_WITH_1KN.CENTROIDAL_RADIUS=4D_AND_INNER_AND_OUTER_RADII_ARE_3.5D_AND_4.5D_RESPECTIVELY._AREA_OF_CROSS_SECTION_IS_0.8D¬¨¬®‚ÄÖ√¢¬ß._FIND_THE_DIMENSION_D_IF_ALLOWABLE_STRESS_IS_110N/MM¬¨¬®‚ÄÖ√¢¬ß_AND_CONSIDERING_ONLY_DIRECT_TENSILE_STRESS.?$#
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A_curved_beam_with_eccentricity_0.02D_is_loaded_with_1kN.Centroidal_radius=4D_and_inner_and_outer_radii_are_3.5D_and_4.5D_respectively._Area_of_cross_section_is_0.8D¬¨¬®‚Äö√¢¬ß._Find_the_dimension_D_if_allowable_stress_is_110N/mm¬¨¬®‚Äö√¢¬ß_and_considering_combined_effect_of_direct_stress_and_bending_stress.$#
Residual stresses are always added in the load stresses and hence are always harmful.
All type of stresses vanishes after as soon as the applied load is removed.

A curved beam has neutral axis is curved while loaded and straight when unloaded.

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