Theory of Structures If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm² total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm² and Es is 15 Ec 284 MN 294 MN 274 MN 264 MN 284 MN 294 MN 274 MN 264 MN ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good All of these (3/2)K (1 – 2/m) = N (1 + 1/m) E = 2N (1 + 1/m) E = 3K (1 – 2/m) All of these (3/2)K (1 – 2/m) = N (1 + 1/m) E = 2N (1 + 1/m) E = 3K (1 – 2/m) 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 4WD²n/d4N 4W²D3n²/d4N 4W²Dn/d4N 4W²D3n/d4N 4WD²n/d4N 4W²D3n²/d4N 4W²Dn/d4N 4W²D3n/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Maximum principal stress theory for the failure of a material at elastic point, is known Guest's or Trecas' theory St. Venant's theory Rankine's theory Von Mises' theory Guest's or Trecas' theory St. Venant's theory Rankine's theory Von Mises' theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised All of these Brass experiences compressive force Composite beam gets subjected to a couple Steel experiences tensile force All of these Brass experiences compressive force Composite beam gets subjected to a couple Steel experiences tensile force 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 = F – S Q = S × F Q = S – F Q = S + F Q = F – S Q = S × F Q = S – F ANSWER DOWNLOAD EXAMIANS APP
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