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 Rankine Straight line formula Parabolic formula Perry Rankine Straight line formula Parabolic formula Perry ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The load on a spring per unit deflection, is called Stiffness Proof stress Proof resilience Proof load Stiffness Proof stress Proof resilience Proof load ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Total strain energy theory for the failure of a material at elastic limit, is known Haig’s theory St. Venant’s theory Guest’s or Trecas’ theory Rankine’s theory Haig’s theory St. Venant’s theory Guest’s or Trecas’ theory Rankine’s theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The point of contraflexure is the point where M. is maximum M. changes sign S.F. is zero M. is minimum M. is maximum M. changes sign S.F. is zero M. is minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is 1/3 1/4 1/2 1/8 1/3 1/4 1/2 1/8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is 4W²Dn/d4N 4W²D3n²/d4N 4WD²n/d4N 4W²D3n/d4N 4W²Dn/d4N 4W²D3n²/d4N 4WD²n/d4N 4W²D3n/d4N ANSWER DOWNLOAD EXAMIANS APP
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