Concrete Technology and Design of Concrete Structures The permissible diagonal tensile stress in reinforced brick work is 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 about 0.1 N/mm² 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 tcr – rcs = tct fc5>fcr>fC fcr>fcs>fc. fcr tcr – rcs = tct fc5>fcr>fC fcr>fcs>fc. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover in a slab should neither be less than the diameter of bar nor less than 20 mm 10 mm 15 mm 30 mm 20 mm 10 mm 15 mm 30 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum diameter of longitudinal bars in a column is 8 mm 6 mm 16 mm 12 mm 8 mm 6 mm 16 mm 12 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 as, only depends on both crst and acbc depends on aCbC 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 as, only depends on both crst and acbc depends on aCbC 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 Ratio of permissible stress in direct compression and bending compression is between 1.5 and 2.0 less than 1 between 1 and 1.5 greater than 2 between 1.5 and 2.0 less than 1 between 1 and 1.5 greater than 2 ANSWER DOWNLOAD EXAMIANS APP