Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be 0.40 d 0.45 d 0.35 d dependent on grade of concrete also 0.40 d 0.45 d 0.35 d dependent on grade of concrete also ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The factor of safety for steel and concrete are same steel is higher than that for concrete None of these steel is lower than that for concrete steel and concrete are same steel is higher than that for concrete None of these steel is lower than that for concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by fcr fc5>fcr>fC tcr – rcs = tct fcr>fcs>fc. fcr fc5>fcr>fC tcr – rcs = tct fcr>fcs>fc. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To impart initial compressive stress in concrete To provide adequate bond stress All of these To resist tensile stresses To impart initial compressive stress in concrete To provide adequate bond stress All of these To resist tensile stresses ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on the inner face in both directions the inner face in one direction the front face in one direction the front face in both directions the inner face in both directions the inner face in one direction the front face in one direction the front face in both directions ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is decreased by 10% for bars in compression increased by 10% for bars in compression increased by 25% for bars in compression decreased by 25% for bars in compression decreased by 10% for bars in compression increased by 10% for bars in compression increased by 25% for bars in compression decreased by 25% for bars in compression ANSWER DOWNLOAD EXAMIANS APP