Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases workability the effects of temperature variations strength the unit weight workability the effects of temperature variations strength the unit weight ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is decreased by 10% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 25% for bars in compression decreased by 10% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 25% for bars in compression ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete increases with richer mixes decreases with richer mixes remains constant None of these increases with richer mixes decreases with richer mixes remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to xv Tv + Tc xc xv Tv + Tc xc ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For walls, columns and vertical faces of all structural members, the form work is generally removed after 3 days 7 days 14 days 24 to 48 hours 3 days 7 days 14 days 24 to 48 hours 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 (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP