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Q.1) Air entrainment in concrete increases – A) Workability B) Strength C) Effects of temperature variation D) Unit weight Answer Option (A) Q.2) For a reinforced concrete section, the shape of shear stress diagram is – A) Wholly parabolic B) Wholly rectangular C) Parabolic above neutral axis and rectangular below neutral axis D) Rectangular above…
Q.1) A RCC beam can have maximum tension reinforcement as – A) 6% bD B) 2% bD C) 3% bD D) 4% bD Answer Option (D) Q.2) Characteristic strength of concrete is measured at – A) 14 days B) 28 days C) 21 days D) 7 days Answer Option (B) Q.3) According to IS:456-2000, the…
Q.1) A twisted bar has about ………. more yield stress than ordinary mild steel bar. A) 10% B) 20% C) 35% D) 50% Answer Option (D) Q.2) In a reinforced concrete beam, the shear stress distribution above the neutral axis follows a : A) Straight line B) Circular curve C) Parabolic curve D) None of…
