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

1 Answer

Answer :

Answer: Option C

Related questions

Description : The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon (A) Breadth of the rib (B) Overall thickness of the rib (C) Centre to centre distance between T-beams (D) All the above

Last Answer : Answer: Option D

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 width of the flange of a L-beam, should be less than (A) One-sixth of the effective span (B) Breadth of the rib + four times thickness of the slab (C) Breadth of the rib + half clear distance between ribs (D) Least of the above

Last Answer : Answer: Option D

Description : In a T-beam, the vertical distance between the bottom of the flange and the centre of the tensile reinforcement is (a) Breadth of flange (b) Thickness of flange (c) Breadth of slab (d) Depth of rib

Last Answer : (d) Depth of rib

Description : The width of the flange of a T-beam should be less than (A) One-third of the effective span of the T-beam (B) Distance between the centres of T-beam (C) Breadth of the rib plus twelve times the thickness of the slab (D) Least of the above

Last Answer : Answer: Option D

Description : In grillage foundations a minimum 15 cm cover is provided on (A) Upper flange of top tier (B) Lower beam of lower tier (C) Ends of external beams (D) None to these

Last Answer : Answer: Option B

Description : The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept (A) 0.7 (B) 0.8 (C) 0.9 (D) 0.6

Last Answer : Answer: Option C

Description : The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate span is kept. (a) 0.7 (b) 0.8 (c) 0.9 (d) 0.6

Last Answer : (c) 0.9

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

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

Last Answer : Answer: Option C

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

Last Answer : Answer: Option C

Description : An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is ( ... shear (B) Is safe with stirrups (C) Is safe with stirrups and inclined members (D) Needs revision of the section

Last Answer : Answer: Option A

Description : A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is (A) bn (fc ... (B) Atft (d - n/3) (C) ½ n1 (1 - n1/3) cbd² (D) All the above

Last Answer : Answer: Option D

Description : In a T-beam , the breadth of the rib is equal to the (a) Total thickness of the slab, including cover (b) Width of the portion of the beam in the compression zone (c) Width of the portion of the beam in the compression zone (d) All the above.

Last Answer : (c) Width of the portion of the beam in the compression zone

Description : In grillage foundations, distance between flanges of grillage beams, is kept (A) 40 cm (B) Equal to flange width (C) Twice the flange width (D) Maximum of (a), (b) and (c)

Last Answer : Answer: Option C

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 : Secondary steel has to be provided across__________ of flanged beams [ A ] Full effective width of flange [ B ] The width of web [ C ] Half of the width of flange [ D ] None of the above.

Last Answer : [ A ] Full effective width of flange

Description : In singly reinforced beams, steel reinforcement is provided in (a) Compressive zone (b) Tensile zone (c) Neutral zone (d) All the above

Last Answer : (b) Tensile zone

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 : 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 : 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 : 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 : The portion of the slab which acts monolithically with the beam and which resists the compressive stresses, is called _________of flange of the T-beam (a) Length (b) Breadth (c) Thickness (d) Depth

Last Answer : (b) Breadth

Description : 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

Last Answer : Answer: Option C

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

Last Answer : Answer: Option D

Description : Steel Beam theory is a method of designing [ A ] Balanced sections [ B ] Critical sections [ C ] Singly reinforced beams [ D ] Doubly reinforced beams

Last Answer : [ D ] Doubly reinforced beams

Description : A cast iron T section beam is subjected to pure bending. For maximum compressive stress to be  three times the maximum tensile stress, centre of gravity of the section from flange side is  (A) h/4  (B) h/3  (C) h/2  (D) 2/3 h

Last Answer : (A) h/4 

Description : The effective depth of a T-beam is the distance between the (a) Centre of the flange and the top of the tensile reinforcement (b) Top of the flange and the centre of the tensile ... centre of the tensile reinforcement (d) Centre of the flange and the bottom centre of the tensile reinforcement

Last Answer : (b) Top of the flange and the centre of the tensile reinforcement

Description : A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis (A) Remains within the flange (B) Remains below the slab (C) Coincides the geometrical centre of the beam (D) None of these

Last Answer : Answer: Option A

Description : If the depth of actual neutral axis of a doubly reinforced beam (A) Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier (B) Is less ... critical neutral axis; the concrete and steel attain their maximum stresses simultaneously (D) All the above

Last Answer : Answer: Option D

Description : If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is (A) 0.496 % (B) 0.596 % (C) 0.696 % (D) 0.796 %

Last Answer : Answer: Option C

Description : In a doubly reinforced beam , steel reinforcement is provided in a (a) Tensile zone (b) Compression zone (c) Either (a) & (b) (d) Both (a) & (b)

Last Answer : (d) Both (a) & (b)

Description : A short column 20 cm 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2 , the Safe load on ... should not exceed (A) 4120 kg (B) 41,200 kg (C) 412,000 kg (D) None of these

Last Answer : Answer: Option B

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 reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2 , safe shear stress 5 kg/cm2 and B.M. 24 mt, (A) Is safe in shear (B) Is unsafe in shear (C) Is over safe in shear (D) Needs redesigning

Last Answer : Answer: Option B

Description : The thickness of flange in a T-beam is taken equal to the total thickness of the slab, including cover. (a) True (b) False (c) Not known (d) None of these

Last Answer : (a) True

Description : Minimum clear cover (in mm) to the main steel bars in slab, beam, column and footing respectively, are (a) 10, 15, 20 and 25 (b) 15, 25, 40 and 75 (c ) 20, 25, 30 and 40 (d) 20, 35, 40 and 75

Last Answer : (b) 15, 25, 40 and 75

Description : 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

Last Answer : Answer: Option A

Description : While compared with singly reinforced beams, the depth of doubly reinforced beam is [ A ] Greater [ B ] Lesser [ C ] almost equal [ D ] twice

Last Answer : [ B ] Lesser

Description : The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is (A) Less than 1 (B) Equal to 1 (C) Greater than 1 (D) Less than 1 in beams but greater than 1 in channels

Last Answer : Answer: Option A

Description : 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

Last Answer : [ D ] i, ii and iii

Description : 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

Last Answer : [ D ] i, ii and iii

Description : The width of seed drill with 9 tynes, each spaced at 20 cm is a) 160 cm b) 180 cm c) 200 cm d) 220 cm

Last Answer : ans b

Description : If the width of carriage way is 12.5 metres, outer edge 50 cm higher than the inner edge, the required super elevation is (A) 50 cm (B) 1 in 25 (C) 1 in 400 (D) 1 in 40

Last Answer : Answer: Option B

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

Last Answer : Answer: Option B

Description : A reinforced concrete beam will crack if tensile stress set up in the concrete below the neutral axis is (a) More than the permissible stress (b) Less than the permissible stress (c) Equal to the permissible stress (d) All the above.

Last Answer : (a) More than the permissible stress

Description : In a singly reinforced beam, the effective depth is measured form the compression edge to the (a) Tensile edge (b) Centre of tensile reinforcement (c) Neutral axis of the beam (d) All of the above

Last Answer : (b) Centre of tensile reinforcement

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 : The maximum shear stress (q) in concrete of a reinforced cement concrete beam is (A) Shear force/(Lever arm × Width) (B) Lever arm/(Shear force × Width) (C) Width/(Lever arm × Shear force) (D) (Shear force × Width)/Lever arm

Last Answer : Answer: Option A

Description : The application of elastic theory to the beams is based on the assumption that (a) At any cross-section, plane sections before bending remain plane after bending (b) All tensile stresses are taken ... reinforcement is free from initial stresses when it is embedded in concrete. (d) All of the above

Last Answer : (d) All of the above