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 0.45 d dependent on grade of concrete also 0.35 d 0.40 d 0.45 d dependent on grade of concrete also 0.35 d 0.40 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete None of these decreases with richer mixes remains constant increases with richer mixes None of these decreases with richer mixes remains constant increases with richer mixes 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 50% 40% 60% 70 % 50% 40% 60% 70 % ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Examine the following statements :i) Factor of safety for steel should be based on its yield stress,ii) Factor of safety for steel should be based on its ultimate stress,iii) Factor of safety for concrete should be based on its yield stress,iv) Factor of safety for concrete should be based on its ultimate stress.The correct statements are (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) 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 tcr – rcs = tct fcr fcr>fcs>fc. fc5>fcr>fC tcr – rcs = tct fcr fcr>fcs>fc. fc5>fcr>fC ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Due to circumferential action of the spiral in a spirally reinforced column Capacity of column is decreased but ductility of column increases Both the capacity of column and ductility of column increase Capacity of column is decreased Ductility of column reduces Capacity of column is decreased but ductility of column increases Both the capacity of column and ductility of column increase Capacity of column is decreased Ductility of column reduces ANSWER DOWNLOAD EXAMIANS APP