Test: Principal Stress & Strain - 2 - Civil Engineering (CE) MCQ

The radius of Mohr’s circle gives the value of

 A body is subjected to two normal strains of magnitude ∈_x = 0.003 and ∈_y = 0.002. The shearing strain on a plane inclined at 30° with ∈_x is

Which one of the following Mohr’s circles represents the state of pure shear?

 A bar is subjected to a uniaxial tensile stress ‘σ’. The tangential stress on a plane inclined at θ to the bar would be

Which of the following formulae is used to calculate tangential stress, when a member is subjected to stress in mutually perpendicular axis and accompanied by shear stress?

Normal stresses of equal magnitude a, but of opposite signs, act at a point of a strained material in perpendicular direction. What is the magnitude of the stress on a plane inclined at 45° to the applied stresses?

Two planes xyand yz are passing through a point in a strained material. The normal and shear stresses on xy plane are +80 MPa, -30 MPa respectively and normal and shear stresses on plane yz are +30 MPa and +30 MPa respectively. What is the angle between the planes?