Description : The Percentage of steel in T-beam mainly based on [ A ] Flange width [ B ] Rib width [ C ] Flange depth [ D ] None of the above.
Last Answer : [ B ] Rib width
Description : Minimum steel required in slabs is mainly controlled by the following consideration [ A ] Cracking on the tension side [ B ] Shrinkage and creep [ C ] Both (a) and (b) [ D ] None of the above.
Last Answer : [ B ] Shrinkage and creep
Description : If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is (A) 37 cm (B) 38 cm (C) 39 cm (D) 40 cm
Last Answer : Answer: Option D
Description : Minimum percentage area of tension reinforcement , when the grade of steel is Fe-250 [ A ] 0.2 [ B ] 0.25 [ C ] 0.34 [ D ] 0.44
Last Answer : [ C ] 0.34
Description : Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5
Last Answer : [ A ] 0.2
Description : If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be (A) 0.35 d (B) 0.40 d (C) 0.45 d (D) Dependent on grade of concrete also
Last Answer : Answer: Option B
Description : Regarding the working stress design of under reinforced concrete section, (a) The neutral axis depth will be greater than that of a balanced section. (b) The stress in steel intension will reach ... on the tension side is also be considered for calculating the moment of resistance of the section.
Last Answer : both b&c
Description : The Maximum percentage of steel in tension allowed for beams [ A ] 0.2 [ B ] 0.4 [ C ] 2 [ D ] 4
Description : Design shear strength of concrete is a function of i.Percentage of tension steel ii.Grade of concrete iii.Grade of steel [ A ] i and ii [ B ] ii only [ C ] i and iii [ D ] i, ii and iii
Last Answer : [ A ] i and ii
Description : As the percentage of steel increases (A) Depth of neutral axis decreases (B) Depth of neutral axis increases (C) Lever arm increases (D) Lever arm decreases
Description : As the percentage of steel in a beam increases, the depth of neutral axis (a) Increases (b) Decreases (c) Equal to (d) None of these
Last Answer : (a) Increases
Description : As the percentage of steel increases [ A ] Depth of neutral axis decreases [ B ] Depth of neutral axis increases [ C ] Lever arm increases [ D ] None of the above are correct
Last Answer : [ B ] Depth of neutral axis increases
Description : A simply supported beam 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm2 ... area of steel required, is (A) 14 cm (B) 15 cm2 (C) 16 cm2 (D) 17 cm
Last Answer : Answer: Option C
Description : A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm2 steel. If the modular ratio (m) is 15, the depth of the neutral axis, is (A) 20 cm (B) 25 cm (C) 30 cm (D) 35 cm
Description : The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm2 respectively. If m = 15, the depth of its neutral axis is (A) 20 cm (B) 25 cm (C) 30 cm (D) 35 cm
Description : The allowable shear stress in stiffened webs of mild steel beams decreases with (a) Decrease in the spacing of the stiffeners (b) Increase in the spacing of the stiffeners (c) Decrease in the effective depth (d) Increase in the effective depth
Last Answer : (b) Increase in the spacing of the stiffeners
Description : The effective depth of a singly reinforced rectangular beam is 300mm. the section is over-reinforced and the neutral axis is 120mm below the top. If the maximum stress attained by concrete is 5N/mn2 and the modular ratio ... in the steel will (a) 130N/mm2 (b) 135N/mm2 (c) 160N/mm2 (d) 180N/mm2
Last Answer : (b) 135N/mm2
Description : For a simply supported beam of span 15 m, the minimum effective depth to satisfy the vertical deflection limits should be (A) 600 mm (B) 750 mm (C) 900 mm (D) More than 1 m
Description : The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively (A) Zero and zero (B) 0.5 kg/cm² and zero (C) 0.5 kg/cm² and 0.5 kg/cm² (D) 1.0 kg/cm² and 0.5 kg/cm²
Last Answer : (B) 0.5 kg/cm² and zero
Description : Select the incorrect statement from the following [ A ] Reinforcing bars in a column should not be less than 12 mm in diameter [ B ] The number of longitudinal bars in a circular column should not ... The minimum percentage of longitudinal steel in columns should be 0.8% [ D ] None of the above
Last Answer : [ B ] The number of longitudinal bars in a circular column should not exceed four
Description : Minimum percentage of longitudinal steel in a column should not be less than [ A ] 0.60% [ B ] 0.80% [ C ] 1.00% [ D ] 1.20%
Last Answer : [ B ] 0.80%
Description : The Minimum percentage of secondary steel in slabs for Fe- 415 grade steel should be __________ of Gross cross-section area [ A ] 0.12% [ B ] 0.15% [ C ] 0.20% [ D ] 0.25%
Last Answer : [ A ] 0.12%
Description : The most critical consideration in the design of a rolled steel column carrying axial loads is the (a) Percentage elongation at yield and the net cross-sectional area (b) Critical bending ... at ultimate load (d) Compressive strength based on slenderness ratio and gross cross-sectional area.
Last Answer : (d) Compressive strength based on slenderness ratio and gross cross-sectional area.
Description : In a singly reinforced concrete beam, as the load increases. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete and steel will resist tension. (d) Both concrete and steel will resist compression.
Last Answer : (b) Only steel bars will resist tension.
Description : In a singly reinforced concrete beam, if the load is vey small. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete & steel will resist tension. (d) Both concrete & steel will resist compression.
Last Answer : (c) Both concrete & steel will resist tension.
Description : The steel mainly contains how much percentage of carbon a) 0.70 to 0.80% b) to 0.3 % c) 0.5 to 0.1 %
Last Answer : 0.70 to 0.80%
Description : The span/effective depth ratio is ----------------- for control of deflection [ A ] An exact method [ B ] An empirical method [ C ] An accurate method. [ D ] Both (a) and (c)
Last Answer : [ B ] An empirical method
Description : If the depth of actual neutral axis is greater than the depth of critical neutral axis, then [ A ] Concrete attains its permissible stress earlier [ B ] Steel attains its permissible stress earlier [ C ] Both concrete and steel reaches its permissible stresses simultaneously [ D ] None of the above
Last Answer : [ A ] Concrete attains its permissible stress earlier
Description : If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the pre-stressed beam is L, the upward uniform pressure will be (A) 8hp/l (B) 8hp/l² (C) 8hl/p (D) 8hl/p²
Description : The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called (A) Balanced section B) Economic section (C) Critical section (D) All the above
Description : According to the steel beam theory of doubly reinforced beams (A) Tension is resisted by tension steel (B) Compression is resisted by compression steel (C) Stress in tension steel equals the stress in compression steel (D) All the above
Description : The steel generally used in R.C.C. work, is (A) Stainless (B) Mild steel (C) High carbon steel (D) High tension steel
Description : Consider the following salient points in a stress-strain curve of a mild steel bar: 1. Yield point 2. Braking point 3. Yield plateau 4 . Proportionality limit 5. Ultimate point The correct sequence in which they occur while testing the mild ... , 5 and 2 (c) 4, 1, 3, 5 and 2 (d) 1, 4, 2, 3 and 5
Last Answer : (c) 4, 1, 3, 5 and 2
Description : The equilibrium equation for the condition that tension will be equal to the compression is given by [ A ] Compression in concrete = Tension in steel [ B ] Compression in concrete + Compression in steel = Tension in steel [ C ] Compression in concrete = Compression in steel [ D ] None of the above
Last Answer : [ B ] Compression in concrete + Compression in steel = Tension in steel
Description : Select the incorrect statement from the following In eccentrically loaded columns, [ A ] The tensile strength of concrete is ignored [ B ] Design stress - strain curve for steel in compression is the ... different points in the section will be same [ D ] Plane section remain plane even after bending
Last Answer : [ C ] The strain at different points in the section will be same
Description : Design yield stress for steel in tension and compression is [ A ] 0.65 fy [ B ] 0.87 fy [ C ] 0.75 fy [ D ] None of the above
Last Answer : [ B ] 0.87 fy
Description : According to steel Beam theory, stress in compressive steel is ------- stress in tension steel [ A ] less than [ B ] greater than [ C ] equal to [ D ] twice
Last Answer : [ C ] equal to
Description : The section of a reinforced beam where most distant concrete fiber in compression and tension in steel attains permissible stresses simultaneously is called (i)Balanced section (ii)Economic section (iii)Critical section [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii
Last Answer : [ D ] i, ii and iii
Description : Development length is the length or extension that should be provided on either side from the [ A ] face of the support [ B ] point of maximum tension [ C ] point of maximum compression [ D ] point of minimum compression
Last Answer : [ B ] point of maximum tension
Description : Assertion A: Depth and width required at the entrance to a harbour are more than those required in the channel. Reason R: The entrance to a harbour is usually more exposed to waves as compared to the harbour itself. ... explanation of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is the correct explanation of A
Description : Assertion A: Intervention of undulations in the sea bed reduces the depth of wave at the section. Reason R: No wave can have a height greater than the depth of water through which it passes Select your answer based on ... of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is correct explanation of A
Description : In a deposit of normally consolidated clay (A) Effective stress increases with depth but water content of soil and undrained strength decrease with depth (B) Effective stress and water ... decreases with depth (D) Effective stress, water content and undrained strength decrease with depth
Last Answer : C) Effective stress and undrained strength increase with depth but water content decreases with depth
Description : The slope of isochrone at any point at a given time indicates the rate of change of (A) Effective stress with time (B) Effective stress with depth (C) Pore water pressure with depth (D) Pore water pressure with time
Description : Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as (A) 1/8th of the span (B) 1/10th of the span (C) 1/12th of the span (D) 1/16th of the span
Description : In a singly reinforced beam, the effective depth is measured from its compression edge to (A) Tensile edge (B) Tensile reinforcement (C) Neutral axis of the beam (D) Longitudinal central axis
Description : If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, is (A) d (B) n (C) d + n/3 (D) d - n/3
Description : An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity ... , is (A) 8.3 kg/cm2 (B) 7.6 kg/cm2 (C) 21.5 kg/cm2 (D) 11.4 kg/cm2
Last Answer : Answer: Option A