Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in size of aggregate increase in fineness of cement increase in water-cement ratio decrease in curing time decrease in size of aggregate increase in fineness of cement increase in water-cement ratio decrease in curing time ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Critical section for shear in case of flat slabs is at a distance of at the periphery of column at the drop panel of slab effective depth of slab from periphery of column/drop panel d/2 from periphery of column/capital/ drop panel at the periphery of column at the drop panel of slab effective depth of slab from periphery of column/drop panel d/2 from periphery of column/capital/ drop panel 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 25 to 50% more 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 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called accelerators workability admixtures retarders air entraining agents accelerators workability admixtures retarders air entraining agents ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Finer grinding of cement affects only the ultimate strength both (a) and (b) affects only the early development of strength does not affect the strength affects only the ultimate strength both (a) and (b) affects only the early development of strength does not affect the strength 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 35 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP