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

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
by

1 Answer

Answer :

Answer: Option D
by

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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

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A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be (A) 2/3 (B) 3/2 (C) 5/8 (D) 8/5

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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

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When a slab is continuous over several spans, negative (i.e. hogging ) bending moment is induced over the (a) End supports (b) Intermediate supports (c) Both (a) & (b) (d) Non of the

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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 parallel to the supported edge, the effective width of the slab be is (A) K/x (1 + x/d) + bw (B) Kx (1 - x/l) + bw (C) Kx (1 + x/l) + bw (D) All the above

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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

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When the slab is supported on all the four edges and the ratio of long span to short span is small, bending takes place along both the spans, such a slab is known as (a) Slab spanning in one direction (b) One way slab. (c) Slab spanning in two direction. (d) Two-way slab.

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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

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

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An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is (A) 300 cm (B) 233 cm (C) 176 cm (D) 236 cm

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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

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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

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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

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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 down and carrying uniformly distributed load. (c) May have edges fixed or continuous and carrying uniformly distributed load. (d) All the above.

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Consider the following statements: Sinking of an intermediate support of a continuous beam 1. Reduces the negative moment at support. 2. Increases the negative moment at support. 3. Reduces the positive moment at support. 4. Increases the positive moment at the centre of span. Of these statements (A) 1 and 4 are correct (B) 1 and 3 are correct (C) 2 and 3 are correct (D) 2 and 4 are correct

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Sinking of an intermediate support of a continuous beam (i) Reduces the negative moment at support (ii) Increases the negative moment at support (iii) Reduces the positive moment at center of span (iv) Increases the positive moment at center of span The correct answer is (A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)

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In continuous beam, the intermediate beams are subjected to a. some bending moment b. no bending moment c. no slope d.no deflection

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For the same span and loads fixed beam in comparison with simply supported beams has a. lesser value of maximum bending moment b. more value of maximum bending moment c.twice the value of maximum bending moment d.same value of maximum bending moment

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Which of the following are statically determinate beams? (a) Only simply supported beams (b) Cantilever, overhanging and simply supported (c) Fixed beams (d) Continuous beams

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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

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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 elongation, is (A) L/d (B) L/2d (C) (L/2d)² (D) (L/3d)²

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While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of (A) Zero length (B) Infinite length (C) Zero moment of inertia(D) None of the above

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

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

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The diameter of the column head support a flat slab, is generally kept (A) 0.25 times the span length (B) 0.25 times the diameter of the column (C) 4.0 cm larger than the diameter of the column (D) 5.0 cm larger than the diameter of the column

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Last Answer : Option A

Design of R.C.C. cantilever beams, is based on the resultant force at (A) Fixed end (B) Free end (C) Mid span (D) Mid span and fixed support

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Last Answer : Answer: Option A

The ‘transmission length’ requirement is to be satisfied in the design of (a) Pre-tensioned concrete beams (b) Post-tensioned concrete beam (c) Unbonded post-tensioned concrete (d) Post-tensioned continuous concrete beams

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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.

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

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Last Answer : [ B ] 20

A beam of length L supported on two intermediate rollers carries a uniformly distributed load on its entire length. If sagging B.M. and hogging B.M. of the beam are equal, the length of each overhang, is (A) 0.107 L (B) 0.207 L (C) 0.307 L(D) 0.407 L

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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

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In comparison with a simply supported beam of same span and load , a continuous beam has a.less maximum bending moment b. same bending moment c. higher maximum bending moment d. twice the bending moment

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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

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