Description : The transverse reinforcements provided at right angles to the main reinforcement (A) Distribute the load (B) Resist the temperature stresses (C) Resist the shrinkage stress (D) All the above
Last Answer : Answer: Option D
Description : The purpose of transverse reinforcement, in a slab is to (a) Distribute the effect to f point load on the slab more evenly and uniformly (b) Distribute the shrinkage and temp cracks more ever (c) Keep the main reinforcement in position (d) All of the above.
Last Answer : (d) All of the above.
Description : The transverse reinforcements provided at right angles to the main reinforcement. (a) To distribute the load. (b) To resist the temp stresses (c) To resist the shrinkage stresses (d) All the above
Last Answer : (d) All the above
Description : in a simply supported slab, the pitch of distribution reinforcement should not be more than_____________the effective depth of slab or 60cm which ever is smaller. (a) Double (b) Three times (c) Five times (d) Six times
Last Answer : (c) Five times
Description : Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to (A) Deflect downward (B) Deflect upward (C) Deflect downward or upward (D) None of the above
Last Answer : Answer: Option A
Description : In the design of a simply supported skew bridge, which direction of reinforcement should be provided?
Last Answer : In the conventional design of steel reinforcement for a simply supported skew bridge, a set of reinforcement is usually placed parallel to free edge while the other set is designed parallel ... ). In this way, considerable savings would be obtained from the orthogonal arrangement of reinforcement.
Description : If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm2 , the length of the beam having nominal reinforcement, is (A) 8 cm (B) 6 m (C) 8 m (D) 10 m
Last Answer : Answer: Option C
Description : If l1 and l2 are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2acting on strips parallel to l2 and l1 is (A) ... l1 (B) w1/w2 = (l2/l1)² (C) w1/w2 = (l2/l1)3 (D) w1/w2 = (l2/l1)
Description : A slab simply supported on the four edges, with corners not held down and carrying uniformly distributed load, is used in (a) Singly storeyed buildings. (b) Double storeyed buildings. (c) Multi storeyed buildings (d) All the above
Last Answer : (a) Singly storeyed buildings.
Description : A two way slab (a) May be simply supported on the four edges, with comers not held down and carrying uniformly distributed load. (b) May be simply supported on the four edge , with corners held ... . (c) May have edges fixed or continuous and carrying uniformly distributed load. (d) All the above.
Last Answer : (d) All the above.
Description : In a limit state method of design, when shear reinforcement is not provided, the calculated shear stress at the critical section of a slab shall not exceed; [ A ] Ks 0.25 v fck [ B ] ks 0.20 v fck [ C ] ks 0.16 v fck [ D ] ks 0.10 v fck
Last Answer : [ A ] Ks 0.25 v fck
Description : The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is (A) Not needed (B) Provided equally on inner and front faces (C) Provided more on inner face than on front face (D) Provided more on front face than on inner face
Description : If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm2 , the share stirrups are provided for a distance from either end where, is (A) 50 cm (B) 100 cm (C) 150 cm (D) 200 cm
Description : In a simply supported reinforced concrete beam, the reinforcement is placed. (a) Above the neutral axis (b) Below the neutral axis (c) At the neutral axis (d) None of these
Last Answer : (b) Below the neutral axis
Description : The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is (A) 1/8 (B) 1/4 (C) 1/2 (D) 1/3
Last Answer : (C) 1/2
Description : A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the ... (A) 411 N mm (B) 511 N mm (C) 611 N mm (D) 711 N mm
Last Answer : (C) 611 N mm
Description : A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 ... joist, is (A) 200 mm (B) 250 mm (C) 300 mm (D) 400 mm
Last Answer : (D) 400 mm
Description : The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is (A) 1/2 (B) 2/3 (C) 1/4 (D) 1/3
Last Answer : (B) 2/3
Description : The section modulus of a rectangular light beam 25 metres long is 12.500 cm3 . The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of ... 13.33 kg/cm2 compressive (C) 26.67 kg/cm2 tensile (D) 26.67 kg/cm2 compressive
Last Answer : (C) 26.67 kg/cm2 tensile
Description : A simply supported wooden beam 150 cm long and having a cross section 16 cm × 24 cm carries a concentrated load, at the centre. If the permissible stress ft = 75 kg/cm2 and fs= 10 kg/cm2 the safe load is (A) 3025 kg (B) 3050 kg (C) 3075 kg (D) 3100 kg
Last Answer : (C) 3075 kg
Description : A 8 metre long simply supported rectangular beam which carries a distributed load 45 kg/m. experiences a maximum fibre stress 160 kg/cm2 . If the moment of inertia of the beam is 640 cm4 , the overall depth of the beam is (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm
Last Answer : (A) 10 cm
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
Description : If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by (A) 0.2 (B) 0.3 (C) 0.4 (D) 0.5
Description : The effective span of a simply supported slab, is (A) Distance between the centres of the bearings (B) Clear distance between the inner faces of the walls plus twice the thickness of the wall (C) Clear span plus effective depth of the slab (D) None of these
Last Answer : Answer: Option B
Description : The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is (A) 25 (B) 30 (C) 35 (D) 40
Description : Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by (A) Rankine formula (B) Marcus formula (C) Rankine Grashoff formula (D) Grashoff formula
Description : The pitch of the main bars in a simply supported slab, should not exceed its effective depth by (A) Three times (B) Four times (C) Five times (D) Six times
Description : In a simply supported slab, alternate bars are curtailed at (A) 1/4th of the span (B) 1/5th of the span (C) 1/6th of the span (D) 1/7th of the span
Description : The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is (A) 35 (B) 25 (C) 30 (D) 20
Description : The maximum ratio of span to depth of a slab simply supported and spanning in one direction is (a) 35 (b) 25 (c) 30 (d) 20
Last Answer : (c) 30
Description : The effective span of a simply supported slab is (a) Distance between the centers of the bearings (b) Clear distance between the inner faces of the walls plus twice he thickness of the slab. (c) Cleat spa plus effective depth of the slab. (d) All the above
Last Answer : (c) Cleat spa plus effective depth of the slab.
Description : In a simply supported slab, alternate bars are curtailed at (a) 1/4th of the span (b) 1/5th of the span (c) 1/6th of the span (d) 1/7th of the span
Last Answer : (d) 1/7th of the span
Description : If the sides o a slab simply supported on its edges and spanning in two way are equal, then the maximum bending moment is multiplied by. (a) 0.25 (b) 0.50 (c) 0.75 (d) 0.85
Last Answer : (b) 0.50
Description : The clear cover in a simply supported slab should not be less than the diameter of the reinforcing bar (a) Correct (b) Incorrect’ (c) Not known (d) None of these
Last Answer : (a) Correct
Description : The span/over all depth ratio for a simply supported two-way slab according to IS : 456- 2000 is given by [ A ] 20 [ B ] 28 [ C ] 32 [ D ] 40
Last Answer : [ B ] 28
Description : Negative yield line form i. Near the supports in the case of slabs fixed or continuous at the edge. ii. At mid span in the case of slabs fixed. iii.At mid span for simply supported circular slab [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii
Last Answer : [ A ] i
Description : Pick up the incorrect statement from the following: (A) In the stem of a retaining wall, reinforcement is provided near the earth side (B) In the toe slab of a retaining wall, reinforcement is ... slab of a retaining wall, reinforcement is provided at the top of the slab (D) None of these
Description : The reinforcement in a continuous slab is provided (a) At the top of the slab portion over the intermediate supports. (b) At the bottom of the slab portion over the intermediate supports. (c) All the middle of the slab portion over the intermediate supports (d) All the above
Last Answer : (a) At the top of the slab portion over the intermediate supports.
Description : When shear stress exceeds the permissible limit in a slab, then it is reduced by (A) Increasing the depth (B) Providing shear reinforcement (C) Using high strength steel (D) Using thinner bars but more in number
Description : When a simply supported beam is loaded with a point load at the centre, the maximum tensile stress is developed on the (a) Top fibre (b) Bottom fibre (c) Neutral axis (d) None of these
Last Answer : (b) Bottom fibre
Description : A uniformly distributed load of 20 kN/m acts on a simply supported beam of rectangular cross section of width 20 mm and depth 60 mm. What is the maximum bending stress acting on the beam of 5m? a. 5030 Mpa b. 5208 Mpa c. 6600 Mpa d. Insufficient data
Last Answer : b. 5208 Mpa
Description : A simply supported rectangular beam is uniformly loaded and is prestressed. The tendon provided for prestressing should be (a) Straight, above centroidal axis (b) Straight, below centroidal axis (c) parabolic, with convexity upward (d) Parabolic, with convexity downward
Last Answer : (d) Parabolic, with convexity downward
Description : If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured ... ) Kx (1 - x/l) + bw (C) Kx (1 + x/l) + bw (D) All the above
Description : While testing a cast iron beam (2.5 cm × 2.5 cm) in section and a metre long simply supported at the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is: (A) 960 kg/cm2 (B) 980 kg/cm2 (C) 1000 kg/cm2 (D) 1200 kg/c
Last Answer : (A) 960 kg/cm
Description : The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone (A) Compressive stress (B) Shear stress (C) Bond stress (D) Tensile stress
Description : In a concrete pavement, during summer, at and soon after mid-day, the combined stress at the interior of the slab is equal to : (a) Wheel load stress + Temperature warping stress + Sub ... + Sub grade resistant stress (d) Wheel load stress - Temperature warping stress − Sub grade resistant stress
Last Answer : (b) Wheel load stress + Temperature warping stress – Sub grade resistant stress
Description : Minimum shear reinforcement is necessary to [ A ] Prevent brittle shear failure [ B ] Prevent failure due to shrinkage and thermal stresses [ C ] Hold the reinforcements in place while pouring concrete [ D ] All the above.
Last Answer : [ D ] All the above.
Description : In case of a simply supported rectangular beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is (A) L/2 (B) L/3 (C) L/4 (D) L/5
Last Answer : (B) L/3
Description : The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is (A) 1/8 (B) 1/10 (C) 1/12 (D) 1/16
Last Answer : (D) 1/16
Description : The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is (A) WL3 /3EL (B) WL3 /8EL (C) WL3 /24EL (D) WL3 /48EL
Last Answer : (D) WL3 /48EL