The planes, which carry no shear stress, are known as principal planes.

Related MCQs

• At a point in a steel member, the major principal stress is 2000 kg/cm2 and the minor principal stress is compressive. If the uni-axial tensile yield stress is 2500 kg/cm2, then the magnitude of the minor principal stress at which yielding will commence, according to the maximum shearing stress theory, is
• For biaxial stress, the planes of maximum shear are at right angles to each other and are inclined at 45? to the principal planes.
• A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be
• Principal planes are the planes on which the resultant stress is the
• Shear stress on principal planes is
• Shear stress on principal planes is
• The direct stress, across a principal plane, is known as principal stress.
• A shear stress across a plane, is always accompanied by a balancing shear stress across the plane and normal to it.
• The ratio of maximum shear stress to average shear stress in case of a circular beam transmitting power is equal to
• The ratio of maximum shear stress to the average shear stress in a rectangular beam subjected to torsion is