Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Freyssinet system Magnel-Blaton system Lee-Macall system Long line method Freyssinet system Magnel-Blaton system Lee-Macall system Long line method ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The diameter of ties in a column should be More than 5 mm and also more than one-fourth of diameter of main bar More than 5 mm but less than one-fourth of diameter of main bar More than or equal to one fourth of diameter of main bar More than or equal to 5 mm More than 5 mm and also more than one-fourth of diameter of main bar More than 5 mm but less than one-fourth of diameter of main bar More than or equal to one fourth of diameter of main bar More than or equal to 5 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section depends on both crst and acbc depends on aCbC only depends on as, only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on both crst and acbc depends on aCbC only depends on as, only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called under-reinforced beam None of these balanced beam over-reinforced beam under-reinforced beam None of these balanced beam over-reinforced beam 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 ± 15% of average ±5% of average ± 10% of average ±20% of average ± 15% of average ±5% of average ± 10% of average 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 fc5>fcr>fC fcr fcr>fcs>fc. tcr – rcs = tct fc5>fcr>fC fcr fcr>fcs>fc. tcr – rcs = tct ANSWER DOWNLOAD EXAMIANS APP
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