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 : The maximum area of tension reinforcement in beams shall not exceed (A) 0.15 % (B) 1.5 % (C) 4 % (D) 1 %
Last Answer : Answer: Option C
Description : The Maximum shear stress in Slabs should not exceed -------- the maximum values allowed for beams. [ A ] Half Of [ B ] One-Fourth Of [ C ] Twice [ D ] Those Given In
Last Answer : [ A ] Half Of
Description : Minimum percentage area of tension reinforcement , when the grade of steel is Fe-250 [ A ] 0.2 [ B ] 0.25 [ C ] 0.34 [ D ] 0.44
Last Answer : [ C ] 0.34
Description : Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5
Last Answer : [ A ] 0.2
Description : The assumption in the theory of bending of beams is: (A) Material is homogeneous (B) Material is isotropic (C) Young's modulus is same in tension as well as in compression (D) All the above
Last Answer : (D) All the above
Description : Flanged beams are preferred when the concrete in the slab is on the [ A ] compression side of the beam [ B ] tension side of the beam [ C ] may be compression side or tension side of the beam [ D ] none of the above
Last Answer : [ A ] compression side of the beam
Description : The minimum percentage of tension steel is mainly based on the [ A ] Total depth [ B ] Effective depth [ C ] Both (a) and (b) [ D ] None of the above.
Last Answer : [ A ] Total depth
Description : Design shear strength of concrete is a function of i.Percentage of tension steel ii.Grade of concrete iii.Grade of steel [ A ] i and ii [ B ] ii only [ C ] i and iii [ D ] i, ii and iii
Last Answer : [ A ] i and ii
Description : A grillage foundation (A) Is provided for heavily loaded isolated columns (B) Is treated as spread foundation (C) Consists of two sets of perpendicularly placed steel beams (D) All the above
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
Description : 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 ... breadth of the flange is (A) 300 cm (B) 233 cm (C) 176 cm (D) 236 cm
Description : 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
Last Answer : Answer: Option A
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
Description : 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
Last Answer : (b) Increase in the spacing of the stiffeners
Description : 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
Last Answer : (b) Increase in h/t ratio
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
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 : 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 : 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 : 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 : In alluvial channels carrying clear water, the ratio of maximum tractive shear stress on the slides and that on the channel beams approximately. a) 0.5 b) 1.76 c) 0.76 d) 1.5
Last Answer : c) 0.76
Description : Regarding the working stress design of under reinforced concrete section, (a) The neutral axis depth will be greater than that of a balanced section. (b) The stress in steel intension will reach ... on the tension side is also be considered for calculating the moment of resistance of the section.
Last Answer : both b&c
Description : Maximum percentage of steel in compression should be [ A ] 0.20% [ B ] 0.40% [ C ] 2.00% [ D ] 4.00%
Last Answer : [ D ] 4.00%
Description : 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
Last Answer : (D) 8/5
Description : The cross sections of the beams of equal length are a circle and a square whose permissible bending stress is same under same maximum bending. The ratio of their flexural weights is, (A) 1.118 (B) 1.338 (C) 1.228 (D) 1.108
Last Answer : (A) 1.118
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)
Description : If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be (A) 0.35 d (B) 0.40 d (C) 0.45 d (D) Dependent on grade of concrete also
Last Answer : Answer: Option B
Description : Design yield stress for steel in tension and compression is [ A ] 0.65 fy [ B ] 0.87 fy [ C ] 0.75 fy [ D ] None of the above
Last Answer : [ B ] 0.87 fy
Description : Maximum percentage of longitudinal steel in a column should be less than [ A ] 6% [ B ] 8% [ C ] 9% [ D ] 10%
Last Answer : [ B ] 8%
Description : For ductility consideration, the maximum percentage of steel used should not exceed ------- of the balanced steel [ A ] 25% [ B ] 50% [ C ] 60% [ D ] 75%
Last Answer : [ D ] 75%
Description : Beams of hyperbolic cooling towers are made up of a) Tungsten b) Iron c) Stainless steel d) Brass
Last Answer : c) Stainless steel
Description : Volvo places steel beams in the doors of its cars to: A)reduce the possibility of accidents B)increase short run customer satisfaction C)increase long run customer satisfaction D)add style to its cars
Last Answer : C)increase long run customer satisfaction
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
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
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 : 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
Description : The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called (A) Balanced section B) Economic section (C) Critical section (D) All the above
Description : The steel generally used in R.C.C. work, is (A) Stainless (B) Mild steel (C) High carbon steel (D) High tension steel
Description : 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 ... , 5 and 2 (c) 4, 1, 3, 5 and 2 (d) 1, 4, 2, 3 and 5
Last Answer : (c) 4, 1, 3, 5 and 2
Description : In a singly reinforced concrete beam, as the load increases. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete and steel will resist tension. (d) Both concrete and steel will resist compression.
Last Answer : (b) Only steel bars will resist tension.
Description : In a singly reinforced concrete beam, if the load is vey small. (a) Only concrete will resist tension (b) Only steel bars will resist tension. (c) Both concrete & steel will resist tension. (d) Both concrete & steel will resist compression.
Last Answer : (c) Both concrete & steel will resist tension.
Description : The equilibrium equation for the condition that tension will be equal to the compression is given by [ A ] Compression in concrete = Tension in steel [ B ] Compression in concrete + Compression in steel = Tension in steel [ C ] Compression in concrete = Compression in steel [ D ] None of the above
Last Answer : [ B ] Compression in concrete + Compression in steel = Tension in steel
Description : Select the incorrect statement from the following In eccentrically loaded columns, [ A ] The tensile strength of concrete is ignored [ B ] Design stress - strain curve for steel in compression is the ... different points in the section will be same [ D ] Plane section remain plane even after bending
Last Answer : [ C ] The strain at different points in the section will be same
Description : Minimum steel required in slabs is mainly controlled by the following consideration [ A ] Cracking on the tension side [ B ] Shrinkage and creep [ C ] Both (a) and (b) [ D ] None of the above.
Last Answer : [ B ] Shrinkage and creep
Description : According to steel Beam theory, stress in compressive steel is ------- stress in tension steel [ A ] less than [ B ] greater than [ C ] equal to [ D ] twice
Last Answer : [ C ] equal to