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 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 42 MPa and 35 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa ANSWER DOWNLOAD EXAMIANS APP
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 To minimize the effect of differential settlement, the area of a footing should be designed for Dead load + fraction of live load Dead load + live load Live load + fraction of dead load Dead load only Dead load + fraction of live load Dead load + live load Live load + fraction of dead load Dead load only ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs in both post-tensioned and preten-sioned beams None of these only in post-tensioned beams only in pretensioned beams in both post-tensioned and preten-sioned beams None of these only in post-tensioned beams only in pretensioned beams ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Select the incorrect statement... 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. The loss of prestress is more in pre-tensioning system than in post-tensioning system. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is M15 M10 M20 M25 M15 M10 M20 M25 ANSWER DOWNLOAD EXAMIANS APP
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