Concrete Technology and Design of Concrete Structures Finer grinding of cement affects only the ultimate strength affects only the early development of strength both (a) and (b) does not affect the strength affects only the ultimate strength affects only the early development of strength both (a) and (b) does not affect the strength 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 0.3 N/mm² to 0.7 N/mm² about 1.0 N/mm² zero about 0.1 N/mm² 0.3 N/mm² to 0.7 N/mm² about 1.0 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 tcr – rcs = tct fc5>fcr>fC fcr fcr>fcs>fc. tcr – rcs = tct fc5>fcr>fC fcr fcr>fcs>fc. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 10 to 15% more 20 to 25% more 15 to 20% more 25 to 50% more 10 to 15% more 20 to 25% more 15 to 20% more 25 to 50% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is 50 mm 75 mm 120 mm 100 mm 50 mm 75 mm 120 mm 100 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than 42 MPa and 53 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
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