RCC Structures Design If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight 'w' per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is h = √(W/Aw) [(1 - sin φ)/(1 + sin φ)]² h = (W/Aw) [(1 - sin φ)/(1 + sin φ)] h = (W/Aw) [(1 + sin φ)/(1 + sin φ)] h = (W/Aw) [(1 - sin φ)/(1 + sin φ)]² h = √(W/Aw) [(1 - sin φ)/(1 + sin φ)]² h = (W/Aw) [(1 - sin φ)/(1 + sin φ)] h = (W/Aw) [(1 + sin φ)/(1 + sin φ)] h = (W/Aw) [(1 - sin φ)/(1 + sin φ)]² ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed 25 10 20 15 25 10 20 15 ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The live load to be considered for an inaccessible roof, is 75 kg/m² 150 kg/cm² 200 kg/m² Nil 75 kg/m² 150 kg/cm² 200 kg/m² Nil ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design Post tensioning system Was widely used in earlier days Is not economical and hence not generally used Is economical for large spans and is adopted now a days None of these Was widely used in earlier days Is not economical and hence not generally used Is economical for large spans and is adopted now a days None of these ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is WL/3P WL/P WL/4P WL/2P WL/3P WL/P WL/4P WL/2P ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The Young's modulus of elasticity of steel, is 275 KN/mm² 200 KN/mm² 250 KN/mm² 150 KN/mm² 275 KN/mm² 200 KN/mm² 250 KN/mm² 150 KN/mm² ANSWER DOWNLOAD EXAMIANS APP
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