Residual stresses are always added in the load stresses and hence are always harmful.

Related MCQs

• All type of stresses vanishes after as soon as the applied load is removed.
• Cylindrical load bearing has lower load capacity as compared to deep groove ball bearing.
• 8’CW from the vertical. Hence net shear force = √ [5000cos36.8+1250]²+ [5000sin36.8]².
• Arrange the bolts in order of decreasing shear stresses.
• Cotter joint is used when the members are subjected to which type of stresses?
• The helical spring ad wire of helical torsion spring, both are subjected to torsional shear stresses.
• If spring index=2.5, what can be concluded about stresses in the wire?
• How much should fuel oil be added to increase the moulding ability of sand?
• 1816mm and radius of centroidal axis is 100mm, then find the bending stress at inner fibre whose radius is 50mm. Area of cross section of beam is 7200mm² and the beam is loaded with 100kN of load.
• If for a curved beam of trapezoidal cross section, radius of neutral axis is 89.1816mm and radius of centroidal axis is 100mm, then find the bending stress at inner fibre whose radius is 50mm. Area of cross section of beam is 7200mm² and the beam is loaded with 100kN of load.