Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Lee-Macall system Magnel-Blaton system Long line method Freyssinet system Lee-Macall system Magnel-Blaton system Long line method Freyssinet system ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ±20% of average ± 10% of average ± 15% of average ±5% of average ±20% of average ± 10% of average ± 15% of average ±5% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reinforcement in the toe of a T- shaped R C. retaining wall is provided oni) top face parallel to the wallii) top face perpendicular to the walliii) bottom face paralleUo the walliv) bottom face perpendicular to the wallThe correct answer is only (iv) is correct (i) and (ii) are correct (iii) and (iv) are correct only (ii) is correct only (iv) is correct (i) and (ii) are correct (iii) and (iv) are correct only (ii) is correct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is (ii) and (iv) (i)and(iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i)and(iv) (i) and (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The permissible diagonal tensile stress in reinforced brick work is about 0.1 N/mm² about 1.0 N/mm² 0.3 N/mm² to 0.7 N/mm² zero about 0.1 N/mm² about 1.0 N/mm² 0.3 N/mm² to 0.7 N/mm² zero 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>fcs>fc. fc5>fcr>fC tcr – rcs = tct fcr fcr>fcs>fc. fc5>fcr>fC tcr – rcs = tct fcr ANSWER DOWNLOAD EXAMIANS APP