Theory of Structures For calculating the allowable stress of long columns σ0 = σy/n [1 - a (1/r)²]is the empirical formula, known as Perry Rankine Straight line formula Parabolic formula Perry Rankine Straight line formula Parabolic formula ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is W²L/AE W²L/2AE WL/2AE WL/AE W²L/AE W²L/2AE WL/2AE WL/AE ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft subjected to a bending moment M and a torque T, experiences Maximum bending stress = 32M/πd³ Both A and B Maximum shear stress = 16 T/πd³ Neither A nor B Maximum bending stress = 32M/πd³ Both A and B Maximum shear stress = 16 T/πd³ Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Stress may be defined as Force per unit length Force per unit area None of these Force per unit volume Force per unit length Force per unit area None of these Force per unit volume ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The point of contraflexure is the point where M. is maximum S.F. is zero M. is minimum M. changes sign M. is maximum S.F. is zero M. is minimum M. changes sign ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For the close coil helical spring of the maximum deflection is 8WD3n/d4N 4W²D3n/d4N WD3n/d4N 2WD3n/d4N 8WD3n/d4N 4W²D3n/d4N WD3n/d4N 2WD3n/d4N ANSWER DOWNLOAD EXAMIANS APP