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

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
by

1 Answer

Answer :

(b) Increase in the spacing of the stiffeners
by

Related questions

The allowable shear stress in the web of mild steel beams decreases with (a) Decrease in h/t ratio (b) Increase in h/t ratio (c ) Decrease in thickness (d) Increase in height Where h is the height and t is the thickness

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Steel beam theory is used for (A) Design of simple steel beams (B) Steel beams encased in concrete (C) Doubly reinforced beams ignoring compressive stress in concrete (D) Beams if shear exceeds 4 times allowable shear stress

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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 content increase with depth but undrained strength decreases with depth C) Effective stress and undrained strength increase with depth but water content decreases with depth (D) Effective stress, water content and undrained strength decrease with depth

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The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is(A) 1400 kg/cm2(B) 190 kg/cm2(C) 260 kg/cm2(D) 230 kg/cm

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The shear strength of a soil (A) Is directly proportional to the angle of internal friction of the soil (B) Is inversely proportional to the angle of internal friction of the soil (C) Decreases with increase in normal stress (D) Decreases with decrease in normal stress

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The spacing of stirrups in doubly reinforced beams should be least of the following (i)Least Lateral dimension (ii)Sixteen times the diameter of longitudinal steel (iii)Forty eight times the diameter of transverse reinforcement [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii

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Last Answer : [ D ] i, ii and iii

Mild steel is used for (A) Structural works in beams, joints and girders (B) Small sized water pipes (C) Columns and struts (D) None of these

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Consider the following statements: Web crippling due to excessive bearing stress can be avoided by 1. Increasing the web thickness 2. providing suitable stiffeners 3. Increasing the length of the bearing plates Which of these statements are correct? (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

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An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2 , the beam (A) Is safe in shear (B) Is safe with stirrups (C) Is safe with stirrups and inclined bars (D) Needs revision of section

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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 of shear stress, is (A) 8.3 kg/cm2 (B) 7.6 kg/cm2 (C) 21.5 kg/cm2 (D) 11.4 kg/cm2

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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

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What is the maximum shear stress for mild steel?

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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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Basic values of span/effective depth ratios to be used for beams and slabs with spans [ A ] Less than 10m [ B ] Less than 20 m [ C ] 10 m- 20 m [ D ] More than 20 m

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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 , the area of steel required, is (A) 14 cm(B) 15 cm2(C) 16 cm2(D) 17 cm

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Last Answer : [ A ] Full effective width of flange

As per masonry code, the stiffening coefficient for walls stiffened by piers, buttresses or intersecting walls can be (a) 0 to 1.0 (b) 1.0 to 2.0 (c ) Greater than 2.0 (d) Invariantly 1.0

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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 steel bar in tension from initial zero strain to failure is (a) 4, 1, 2, 3 and 5 (b) 1, 4, 3, 5 and 2 (c) 4, 1, 3, 5 and 2 (d) 1, 4, 2, 3 and 5

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If the water table rises upto ground surface, then the (A) Effective stress is reduced due to decrease in total stress only but pore water pressure does not change (B) Effective stress is reduced due to increase in pore water pressure only but total stress does not change (C) Total stress is reduced due to increase in pore water pressure only but effective stress does not change (D) Total stress is increased due to decrease in pore water pressure but effective stress does not change

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A triangular section having base b, height h, is placed with its base horizontal. If the shear stress at a depth y from top is q, the maximum shear stress is (A) 3S/bh (B) 4S/bh (C) 4b/Sh (D) 3b/bS

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Based on punching shear consideration, the overall depth of a combined footing under a column A, is (A) (Area of the column A × Safe punching stress)/Load on column A (B) (Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column) (C) (Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column) (D) None of these

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In a R.C section under flexure, the assumption that “a plane section before bending remains plane after bending” leads to (a) Strain distribution being linear across the depth (b) Stress distribution being linear across the depth (c) Both stress and strain distribution being linear across the depth (d) Shear stress distribution being uniform along the depth

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