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 4WD²n/d4N 4W²D3n/d4N 4W²D3n²/d4N 4W²Dn/d4N 4WD²n/d4N 4W²D3n/d4N 4W²D3n²/d4N 4W²Dn/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A close coil helical spring when subjected to a moment M having its axis along the axis of the helix It is subjected to pure bending Its number of coils will increase All of these Its mean diameter will decrease It is subjected to pure bending Its number of coils will increase All of these Its mean diameter will decrease 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 St. Venant’s theory Haig’s theory Guest’s or Trecas’ theory Rankine’s theory St. Venant’s theory Haig’s theory Guest’s or Trecas’ theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is 1½ 1 2 ½ 1½ 1 2 ½ ANSWER DOWNLOAD EXAMIANS APP
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 Parabolic formula Perry Straight line formula Rankine Parabolic formula Perry Straight line formula ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is 3.50 cm 2.75 cm 4.25 cm 3.00 cm 3.50 cm 2.75 cm 4.25 cm 3.00 cm ANSWER DOWNLOAD EXAMIANS APP
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