Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To provide adequate bond stress To impart initial compressive stress in concrete To resist tensile stresses All of these To provide adequate bond stress To impart initial compressive stress in concrete To resist tensile stresses All of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than 50 mm 45mm 60 mm 40 mm 50 mm 45mm 60 mm 40 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Workability of concrete is inversely proportional to the air in the mix time of transit size of aggregate vater-cement ratio the air in the mix time of transit size of aggregate vater-cement ratio ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete remains constant None of these increases with richer mixes decreases with richer mixes remains constant None of these increases with richer mixes decreases with richer mixes 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) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The fineness modulus of fine aggregate is in the range of 2.0 to 3.5 6.0 to 8.5 5.0 to 7.0 3.5 to 5.0 2.0 to 3.5 6.0 to 8.5 5.0 to 7.0 3.5 to 5.0 ANSWER DOWNLOAD EXAMIANS APP
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