Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? creep of concrete shrinkage of concrete loss due to friction elastic shortening of concrete creep of concrete shrinkage of concrete loss due to friction elastic shortening of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Modulus of elasticity of steel as per IS : 456-1978 shall be taken as 20 kN/cm² 2xl06N/cm² 200kN/mm² 200 kN/cm² 20 kN/cm² 2xl06N/cm² 200kN/mm² 200 kN/cm² ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called bleeding segregation creep bulking bleeding segregation creep bulking ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to IS : 456-1978, the fiexural strength of concrete is directly proportional to compressive strength directly proportional to square root of compressive strength inversely proportional to compressive strength inversely proportional to square root of compressive strength directly proportional to compressive strength directly proportional to square root of compressive strength inversely proportional to compressive strength inversely proportional to square root of compressive strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) only (iii) (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) only (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is greater than 2 between 1 and 1.5 between 1.5 and 2.0 less than 1 greater than 2 between 1 and 1.5 between 1.5 and 2.0 less than 1 ANSWER DOWNLOAD EXAMIANS APP