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Q.1) The maximum depth of neutral axis for a beam of Fe-415 bars in limit state method of design is : A) 0.46d B) 0.48d C) 0.50d D) 0.53d Answer Option (B) Q.2) The minimum grade of reinforced concrete in sea water as per IS:456-2000 is – A) M15 B) M20 C) M30 D) M40…
Q.1) Strength of concrete increases with : A) Increase in w/c ratio B) Increase in fineness of cement C) Decrease in curing time D) Decrease in size of aggregate Answer Option (B) Q.2) The most commonly used admixture which prolongs the setting and hardening time is : A) Gypsum B) Calcium chloride C) Sodium silicate…
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…
