The helical spring ad wire of helical torsion spring, both are subjected to torsional shear stresses.

Related MCQs

• If spring index=2.5, what can be concluded about stresses in the wire?
• If allowable shear stress in the shaft is 70N/mm² and torsional and bending moments are M=1185000N-mm and m=330000N-mm, find the diameter of the shaft.
• Residual stresses are always added in the load stresses and hence are always harmful.
• Cotter joint is used when the members are subjected to which type of stresses?
• Arrange the bolts in order of decreasing shear stresses.
• Active and inactive, both types of coils support the load although both don’t participate in spring action.
• The spring index is the ratio of wire diameter to mean coil diameter.
• If number of coils are 8 and wire diameter of spring 3mm, then solid length is given by?
• Calculate the diameter of pin from shear consideration with maximum shear stress allowed is 40NN/mm² and an axial tensile force of 50kN is acting on the rod.
• While designing shaft on the basis of torsional rigidity, angle of twist is given by?