According to IS: 456-2000, the span/overall depth ratio for a continuous two-way slab in order to control deflection is given by
[ A ] 20
[ B ] 28
[ C ] 32
[ D ] 40

1 Answer

Answer :

[ C ] 32

Related questions

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 : The basic value of span to depth ratio for one way continuous slab is [ A ] 20 [ B ] 26 [ C ] 35 [ D ] 40

Last Answer : [ B ] 26

Description : For a continuous slab of 3 m × 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is (A) 50 mm (B) 75 mm (C) 100 mm (D) 120 mm

Last Answer : (B) 75 mm

Description : For a continuous slab of 3 m x 35 m size, the minimum overall depth of slab to satisfy vertical deflection limits is (a) 120 mm (b) 100 mm (c) 75 mm (d) 50 mm

Last Answer : (a) 120 mm

Description : The principle used for control of deflection in beams and slabs. [ A ] Maxwell method [ B ] Mohr‟s theorem [ C ] Span to effective depth ratio [ D ] Span to overall depth ratio.

Last Answer : [ C ] Span to effective depth ratio

Description : Find the correct statement from the followings. (a) For a cantilever slab, the ratio of span to overall depth should not 12. (b) One way slab which carry uniformly distributed load should be designed to ... be designed to resist a hogging moment at the face of the support. (d) All of the above.

Last Answer : (d) All of the above.

Description : According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is ... (C) Three-fourth of the width of the slab (D) Four-fifth of the width of the slab

Last Answer : Answer: Option C

Description : A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is (A) 2.5 (B) 2.0 (C) Less than 2 (D) Less than 2.5

Last Answer : Answer: Option A

Description : If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a (A) Simply supported beam (B) Continuous beam (C) Cantilever beam (D) None of these

Last Answer : Answer: Option C

Description : A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than (A) 1.5 (B) 2.0 (C) 2.5 (D) 3.0

Last Answer : Answer: Option C

Description : According to IS: 456-2000 the ultimate moment of resistance of a slab for Fe - 415 HYSD bars is; [ A ] Mu = 0.138 fck bd2 [ B ] Mu = 0.145 fck bd2 [ C ] Mu = 0.152 fck bd2 [ D ] Mu = 0.165 fck bd2

Last Answer : [ A ] Mu = 0.138 fck bd2

Description : Basic value of span to depth ratio for simply supported beam to control deflection is [ A ] 7 [ B ] 20 [ C ] 26 [ D ] 35

Last Answer : [ B ] 20

Description : Basic value .of Span to Depth ratio for cantilever to control deflection is [ A ] 7 [ B ] 20 [ C ] 26 [ D ] 35

Last Answer : [ A ] 7

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

Last Answer : Answer: Option C

Description : The maximum ratio of span to depth of a slab simple supported and spanning in two directions, is (a) 25 (b) 30 (c) 35 (d) 40

Last Answer : (c) 35

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 : Answer: Option C

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 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 : For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to (A) 10 (B) 15 (C) 20 (D) 25

Last Answer : Answer: Option C

Description : For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed (A) 10 (B) 15 (C) 20 (D) 25

Last Answer : Answer: Option C

Description : For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is (A) 0.6 (B) 0.7 (C) 0.8 (D) 0.9

Last Answer : Answer: Option D

Description : The maximum ratio of span to depth of a cantilever slab, is (A) 8 (B) 10 (C) 12 (D) 16

Last Answer : Answer: Option C

Description : The maximum ratio of span to depth of a cantilever slab is (a) 8 (b) 10 (c) 12 (d) 14

Last Answer : (c) 12

Description : According to IS:456-2000, the minimum slenderness ratio for a short column is [ A ] Less than 12 [ B ] Between 12 and 18 [ C ] Less than 18 [ D ] Must be greater than 18

Last Answer : [ A ] Less than 12

Description : A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated  load W at its mid-span. The same bar experiences an extension e under same tensile load. The  ratio of the maximum deflection to the ... (A) L/d (B) L/2d (C) (L/2d)² (D) (L/3d)²

Last Answer : (C) (L/2d)

Description : If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept (A) 4.5 m (B) 4.0 m (C) 3.5 m (D) 3.0 m

Last Answer : Answer: Option A

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 : State the requirement of good form work and state the stripping time of form work as per IS 456-2000. i) Slab ii) Beam iii) Column with labelling on sketch.

Last Answer : Requirement of good form work: 1. It should be strong enough to resist the weight of concrete, workers and machinery. 2. It should be economical compared to total cost of construction. 3. It should be possible ... arch of span more than 6m - 21 days iii) Column: Vertical formwork - 16 to 24 hours

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 : If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is (A) 200 cm (B) 300 cm (C) 150 cm (D) 100 cm

Last Answer : Answer: Option C

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 : The breadth of the flange of a T-beam is (a) 1/3rd of the effective span of the T-beam (b) Twelve times the depth of slab plus breadth of rib. (c) Centre to centre distance between the adjacent beam. (d) Least of (a) , (b) or (c)

Last Answer : (d) Least of (a) , (b) or (c)

Description : According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than (A) 20 cm (B) 30 cm (C) 40 cm (D) 75 cm

Last Answer : Answer: Option B

Description : For a ribbed slab (A) Clear spacing between ribs shall not be greater than 4.5 cm (B) Width of the rib shall not be less than 7.5 cm (C) Overall depth of the slab shall not exceed four times the breadth of the rib (D) All the above

Last Answer : Answer: Option D

Description : According to IS:456-2000, the following type of environments are considered for durability of concrete [ A ] two [ B ] four [ C ] five [ D ] six

Last Answer : [ C ] five

Description : According to IS:456-2000, the following type of environments are considered for durability of concrete [ A ] two [ B ] four [ C ] five [ D ] six

Last Answer : [ C ] five

Description : If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is (A) 28 d (B) 38 d (C) 48 d (D) 58 d

Last Answer : Answer: Option D

Description : Which of the following method that is used to taken into account the slenderness effect of columns according to IS:456 - 2000 [ A ] Reduction coefficient method [ B ] Slenderness method [ C ] Moment magnification method [ D ] None of the above

Last Answer : [ A ] Reduction coefficient method

Description : According to IS: 456 -2000, the spacing of links in a Column should be less than [ A ] 16 x diameter of smallest longitudinal bar [ B ] 24 x diameter of smallest longitudinal bar [ C ] 48 x diameter of smallest longitudinal bar [ D ] 48 x diameter of greatest longitudinal bar

Last Answer : [ A ] 16 x diameter of smallest longitudinal bar

Description : In any case, the minimum diameter of the link in a column, according to IS:456-2000 is [ A ] 5 mm [ B ] 6 mm [ C ] 8 mm [ D ] 10 mm

Last Answer : [ B ] 6 mm

Description : According to IS:456-2000, the minimum eccentricity in no case [ A ] Shall be not less than 20mm [ B ] Shall be not greater than 30mm [ C ] Shall be 20mm-30mm [ D ] None of the above

Last Answer : [ A ] Shall be not less than 20mm

Description : Permissible width of crack at the surface of concrete for „moderate‟ environmental conditions according to IS : 456-2000 is [ A ] 0.1 mm [ B ] 0.2 mm [ C ] 0.3 mm [ D ] 0.4 mm

Last Answer : [ B ] 0.2 mm

Description : According to IS : 456-2000, clause 39.4, stirrups should be provided for a shear of [ A ] at least 75% [ B ] at least 50% [ C ] at least 25 % [ D ] none of the above.

Last Answer : [ B ] at least 50%

Description : The diameter of the stirrups according to IS : 456-2000 should not be less than [ A ] 5 mm [ B ] 6 mm [ C ] 8 mm [ D ] 10 mm

Last Answer : [ B ] 6 mm

Description : According to IS: 456-2000 Maximum spacing of shear reinforcement in no case shall not exceed [ A ] 250 mm [ B ] 300 mm [ C ] 350 mm [ D ] 450 mm

Last Answer : [ B ] 300 mm

Description : According to IS:456-2000, Limiting value of yield strain for Fe250grade steel is [ A ] 0.031 [ B ] 0.0031 [ C ] 0.038 [ D ] 0.0038

Last Answer : [ B ] 0.0031

Description : According to IS: 456-2000, limiting value of yield strain for Fe415 grade steel is [ A ] 0.031 [ B ] 0.0031 [ C ] 0.038 [ D ] 0.0038

Last Answer : [ D ] 0.0038

Description : According to IS:456-2000, the total acid soluble chlorides in concrete is restricted to________ of concrete [ A ] 0.2 kg/m3 [ B ] 0.4 kg/m3 [ C ] 2 kg/m3 [ D ] 4 kg/m3

Last Answer : [ B ] 0.4 kg/m3

Description : According to IS: 456-2000, the maximum cement content exclusive of admixtures is [ A ] 200 kg/m3 [ B ] 300 kg/m3 [ C ] 450 kg/m3 [ D ] 550 kg/m3

Last Answer : [ C ] 450 kg/m3

Description : According to IS:456-2000, the maximum allowable crack width (in mm) for mild type of environmental condition [ A ] 0.1 [ B ] 0.2 [ C ] 0.25 [ D ] 0.3

Last Answer : [ D ] 0.3