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 4W²D3n/d4N 4WD²n/d4N 4W²Dn/d4N 4W²D3n²/d4N 4W²D3n/d4N 4WD²n/d4N 4W²Dn/d4N 4W²D3n²/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: Q = S × F Q = S – F Q = S + F Q = F – S Q = S × F Q = S – F Q = S + F Q = F – S ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures parabolic arch of span and rise , is given by The equation of a y = 4h/l² × (1 – x) y = 3h/l² × (1 – x) y = 2h/l² × (1 – x) y = h/l² × (1 – x ) y = 4h/l² × (1 – x) y = 3h/l² × (1 – x) y = 2h/l² × (1 – x) y = h/l² × (1 – x ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Total strain energy theory for the failure of a material at elastic limit, is known Rankine’s theory 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Pick up the correct statement from the following: All of these In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area In a loaded beam, the moment at which the first yield occurs is called yield moment In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment All of these In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area In a loaded beam, the moment at which the first yield occurs is called yield moment In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is 0.508 0.207 0.307 0.407 0.508 0.207 0.307 0.407 ANSWER DOWNLOAD EXAMIANS APP
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