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 42 MPa and 35 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs None of these in both post-tensioned and preten-sioned beams only in post-tensioned beams only in pretensioned beams None of these in both post-tensioned and preten-sioned beams only in post-tensioned beams only in pretensioned beams ANSWER DOWNLOAD EXAMIANS APP
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 elastic shortening of concrete shrinkage of concrete loss due to friction creep of concrete elastic shortening of concrete shrinkage of concrete loss due to friction ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum diameter of longitudinal bars in a column is 16 mm 8 mm 12 mm 6 mm 16 mm 8 mm 12 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed load i) shear force at mid span is zero ii) shear force at mid span is maximum iii) torsion at mid span is zero iv) torsion at mid span is maximum The correct answer is (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called None of these balanced beam under-reinforced beam over-reinforced beam None of these balanced beam under-reinforced beam over-reinforced beam ANSWER DOWNLOAD EXAMIANS APP
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