Concrete Technology and Design of Concrete Structures Select the incorrect statement... The loss of prestress is more in pre-tensioning system than in post-tensioning system. None of these For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system Pretensioning system has greater certainty about its durability. The loss of prestress is more in pre-tensioning system than in post-tensioning system. None of these For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system Pretensioning system has greater certainty about its durability. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following has high tensile strength ? all have same tensile strength heat treated rolled wires plain hot rolled wires cold drawn wires all have same tensile strength heat treated rolled wires plain hot rolled wires cold drawn wires 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 200kN/mm² 2xl06N/cm² 200 kN/cm² 20 kN/cm² 200kN/mm² 2xl06N/cm² 200 kN/cm² 20 kN/cm² ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The slab is designed as one way if the ratio of long span to short span is between 1.5 and 2 between 1 and 1.5 greater than 2 less than 1 between 1.5 and 2 between 1 and 1.5 greater than 2 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in curing time increase in water-cement ratio decrease in size of aggregate increase in fineness of cement decrease in curing time increase in water-cement ratio decrease in size of aggregate increase in fineness of cement 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 20 to 25% more 25 to 50% more 10 to 15% more 15 to 20% more 20 to 25% more 25 to 50% more 10 to 15% more 15 to 20% more ANSWER DOWNLOAD EXAMIANS APP
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