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 fc5>fcr>fC tcr – rcs = tct fcr fcr>fcs>fc. fc5>fcr>fC tcr – rcs = tct fcr fcr>fcs>fc. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To resist tensile stresses All of these To impart initial compressive stress in concrete To provide adequate bond stress To resist tensile stresses All of these To impart initial compressive stress in concrete To provide adequate bond stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in curing time increase in fineness of cement decrease in size of aggregate increase in water-cement ratio decrease in curing time increase in fineness of cement decrease in size of aggregate increase in water-cement ratio ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by 40% 60% 70 % 50% 40% 60% 70 % 50% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a counterfort retaining wall, the main reinforcement is provided on the i) bottom face in front counterfort ii) inclined face in front counterfort iii) bottom face in back counterfort iv) inclined face in back counterEort The correct answer is (iii) and (iv) (i) and (iv) (i) and (ii), (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii), (ii) and (iii) 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 decreased by 25% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression decreased by 25% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression ANSWER DOWNLOAD EXAMIANS APP