Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To resist tensile stresses To provide adequate bond stress To impart initial compressive stress in concrete All of these To resist tensile stresses To provide adequate bond stress To impart initial compressive stress in concrete All of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is 0.33 1 0.75 0.5 0.33 1 0.75 0.5 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than 0.14 0.15 0.13 0.12 0.14 0.15 0.13 0.12 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Magnel-Blaton system Freyssinet system Lee-Macall system Long line method Magnel-Blaton system Freyssinet system Lee-Macall system Long line method ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum The correct answer is (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs only in post-tensioned beams None of these only in pretensioned beams in both post-tensioned and preten-sioned beams only in post-tensioned beams None of these only in pretensioned beams in both post-tensioned and preten-sioned beams ANSWER DOWNLOAD EXAMIANS APP
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