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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) Ordinary concrete is not used for concrete grade…. A) M 10 B) M 15 C) M 25 D) M 40 Answer Option (D) Q.2) The value of ultimate creep coefficient for concrete : A) Increases with age of loading B) Decreases with age of loading C) Remains constant D) Is taken as 0.0003 Answer…
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…
Q.1) In a singly reinforced beam, steel reinforcement is provided at : A) Tensile zone B) Compressive zone C) Neutral zone D) Both tensile and compressive zone Answer Option (A) Q.2) In a simply supported reinforced concrete beam, the reinforcement is placed – A) Below neutral axis B) Above neutral axis C) At neutral axis…
