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 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the effects of temperature variations the unit weight workability strength the effects of temperature variations the unit weight workability strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Long line method Lee-Macall system Magnel-Blaton system Freyssinet system Long line method Lee-Macall system Magnel-Blaton system Freyssinet system ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 15% of average ±20% of average ±5% of average ± 10% of average ± 15% of average ±20% of average ±5% of average ± 10% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs only in pretensioned beams only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams only in pretensioned beams only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In counterfort retaining walls, the main reinforcement in the stem at support is Provided both on inner and front faces Provided only on front face Provided only on inner face Not provided Provided both on inner and front faces Provided only on front face Provided only on inner face Not provided ANSWER DOWNLOAD EXAMIANS APP
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