Description : The purpose of lateral ties in short R.C. columns is to (a) Increase the load carrying capacity of column (b) Facilitate compaction of concrete (c) Facilitate construction (d) Avoid buckling of longitudinal bars
Last Answer : (d) Avoid buckling of longitudinal bars
Description : The minimum diameter of longitudinal bars in a column is (A) 6 mm (B) 8 mm (C) 12 mm (D) 16 mm
Last Answer : Answer: Option C
Description : The diameter of longitudinal bars of a column should never be less than (A) 6 mm (B) 8 mm (C) 10 mm (D) 12 mm
Last Answer : Answer: Option D
Description : Which of the following statements is incorrect? (A) Minimum cross sectional area of longitudinal reinforcement in a column is 0.8% (B) Spacing of longitudinal bars measured along the periphery of ... (D) The number of longitudinal bars provided in a circular column should not be less than four
Description : Select the incorrect statement from the following [ A ] Reinforcing bars in a column should not be less than 12 mm in diameter [ B ] The number of longitudinal bars in a circular column should not ... The minimum percentage of longitudinal steel in columns should be 0.8% [ D ] None of the above
Last Answer : [ B ] The number of longitudinal bars in a circular column should not exceed four
Description : The purpose of lateral ties in short reinforced concrete columns is to [ A ] Facilitate construction [ B ] Facilitate compaction of concrete [ C ] Increase the load carrying capacity of the columns [ D ] Avoid buckling of longitudinal bars
Last Answer : [ D ] Avoid buckling of longitudinal bars
Description : The diameter of ties in a column should be (A) More than or equal to one fourth of diameter of main bar (B) More than or equal to 5 mm (C) More than 5 mm but less than one-fourth of diameter of main bar (D) More than 5 mm and also more than one-fourth of diameter of main bar
Description : For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than (A) 15 mm (B) 25 mm (C) 30 mm (D) 40 mm
Description : The Maximum spacing of the longitudinal bars measured long the periphery of the column should be [ A ] 250 mm [ B ] 300 mm [ C ] 400 mm [ D ] 450 mm
Last Answer : [ B ] 300 mm
Description : The spacing of transverse reinforcement of column is decided by the following consideration. (A) The least lateral dimension of the column (B) Sixteen times the diameter of the smallest longitudinal ... column (C) Forty-eight times the diameter of transverse reinforcement (D) All the above
Description : Minimum pitch of transverse reinforcement in a column is (A) The least lateral dimension of the member (B) Sixteen times the smallest diameter of longitudinal reinforcement bar to be tied (C) Forty-eight times the diameter of transverse reinforcement (D) Lesser of the above three values
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 : An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is (A) 49.9 kg/cm2 (B) 100 kg/cm2 (C) 250 kg/cm2 (D) 175 kg/cm
Last Answer : Answer: Option A
Description : The diameter of main bars in R.C.C. columns, shall not be less than (A) 6 mm (B) 8 mm (C) 10 mm (D) 12 mm
Description : Minimum cover to longitudinal steel in a column should be (if the diameter of bar, Ø> 12mm) [ A ] 25 mm [ B ] 30 mm [ C ] 40 mm [ D ] 50 mm
Last Answer : [ C ] 40 mm
Description : longitudinal bars and lateral stirrups, is (A) Stress in concrete × area of concrete (B) Stress in steel × area of steel (C) Stress in concrete × area of concrete + Stress in steel × area of steel (D) None of these
Description : The minimum diameter of longitudinal steel should be [ A ] 10 mm [ B ] 12 mm [ C ] 16 mm [ D ] 20 mm
Last Answer : [ B ] 12 mm
Description : If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is (A) 10 mm (B) 12 mm (C) 14 mm (D) 16 mm
Description : If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm2 , spacing of 10 mm tie bars for the longitudinal joint, is (A) 10 cm (B) 20 cm (C) 30 cm (D) 40 cm
Description : A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm2 and that of brass bar is 3000 mm2 . These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm2 and Eb = 0.1 ... 6 N/mm2 s = 12 N/mm2 (D) b = 5 N/mm2 s = 10 N/mm
Last Answer : (A) b = 10 N/mm2 s = 20 N/mm
Description : The unit of pressure in S.I. units is (a) kg/cm2 (b) mm of water column (c) pascal (d) dynes per square cm (e) bars
Last Answer : Answer : c
Description : If a circular beam of diameter d experiences a longitudinal strain P/E and a lateral strain 2P/mE, the volumetric strain is (A) (P/E) + (2P/mE) (B) (P/E) - (2P/mE) (C) (P/E) + (mE/2P) (D) (P/E) - (mE/2P)
Last Answer : (B) (P/E) - (2P/mE)
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 : If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab per square metre, the spacing of the tie bars for a longitudinal joint, is (A) (100 At × t)/WL (B) 100 At/tWL (C) (100 WAt × t)/tL (D) 100 WL/At t
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 : If a concrete column 200 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 ... 15 Ec (A) 264 MN (B) 274 MN (C) 284 MN (D) 294 MN
Last Answer : (C) 284 MN
Description : The minimum cover to the ties or spirals should not be less than (A) 15 mm (B) 20 mm (C) 25 mm (D) 50 mm
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 : Pick out the wrong statement. (A) For a pressure vessel to be classified as 'thin vessel', the ratio of wall thickness to mean radius is less than 0.1 (B) For calculating forces and ... Maximum diameter of the opening provided in a pressure vessel, which does not require any compensation is 200 mm
Last Answer : Option B
Description : The load carrying capacity of helically reinforced column as compared to that of column with ties is about [ A ] 5% less [ B ] 5% more [ C ] 10% less [ D ] 10% more`
Last Answer : [ B ] 5% more
Description : Lapped splices in tensile reinforcement are generally not used for bars of size larger than (A) 18 mm diameter (B) 24 mm diameter (C) 30 mm diameter (D) 36 mm diameter
Description : According to IS:456, the diameter of the helices in circular a column shall be at least [ A ] The diameter of longitudinal steel [ B ] One-half the diameter of longitudinal steel [ C ] One-fourth the diameter of longitudinal steel [ D ] Three-fourth the diameter of longitudinal steel
Last Answer : [ C ] One-fourth the diameter of longitudinal steel
Description : The diameter of the Links in column should be at least……….of the largest diameter of the longitudinal steel [ A ] One-half [ B ] Three-fourth [ C ] One eighth [ D ] One – fourth
Last Answer : [ D ] One – fourth
Description : If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span ... (L + 2D/3)² (C) WL/10 (L - 2D/3)² (D) WL/12 (L - D/3)²
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
Description : The maximum longitudinal pitch in bolted joints, subjected to tensile forces, wherein t = thickness of the plate and D = diameter of bolt, is (a) 32 D (b) 16 D (c) 32 t (d) 16 t
Last Answer : (d) 16 t
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 : Minimum percentage of longitudinal steel in a column should not be less than [ A ] 0.60% [ B ] 0.80% [ C ] 1.00% [ D ] 1.20%
Last Answer : [ B ] 0.80%
Description : End anchorage of bars is taken as the greater of [ A ] Effective depth or 12 times the diameter of bar [ B ] Effective depth or 16 times the diameter of bar [ C ] Effective depth of 24 times the diameter of bar [ D ] Effective depth of 48 times the diameter of bar
Last Answer : [ A ] Effective depth or 12 times the diameter of bar
Description : The ratio of the diameter of reinforcing bars and the slab thickness is (A) 1/4 (B) 1/5 (C) 1/6 (D) 1/8
Last Answer : (D) 1/8
Description : A cantilever shaft having 50 mm diameter and length of 300 mm has a disc of mass 100 kg at its free enD. The Young’s modulus for the shaft material is 200 GN/m 2 . Calculate the natural longitudinal frequency in Hz. A. 575B. 625 C. 525 D. 550
Last Answer : A. 575
Description : A cantilever shaft having 50 mm diameter and length of 300 mm has a disc of mass 100 kg at its free end. The Young’s modulus for the shaft material is 200 GN/m 2 . Calculate the natural longitudinal frequency in Hz. a) 575 b) 625 c) 525 d) 550
Last Answer : a) 575
Description : Pick up the correct statement from the following: (A) Lateral reinforcement in R.C.C. columns is provided to prevent the longitudinal reinforcement from buckling (B) Lateral reinforcement prevents ... Lateral reinforcement stops breaking away of concrete cover, due to buckling (D) All the above
Description : Tie bars in cement concrete pavements are at (A) Expansion joints (B) Contraction joints (C) Warping joints (D) Longitudinal joints
Description : The torsion resisting capacity of a given reinforced concrete section. (a) Decreases with decrease in stirrups spacing. (b) Decreases with increase in longitudinal bars. (c) Does not depend upon stirrups and longitudinal steels. (d) Increases with increase in stirrups and longitudinal steels.
Last Answer : (d) Increases with increase in stirrups and longitudinal steels.
Description : The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than (A) 4 mm (B) 5 mm (C) 6 mm (D) 7 mm
Description : The ratio of the section modulus of a square section of side B and that of a circular section of diameter D, is (A) 2 /15 (B) 3 /16 (C) 3 /8 (D) /16
Last Answer : (B) 3 /16
Description : If digital DRT is calibrated for 300 mm longitudinal wave using 00 double crystal probe then 60kg rail ---------peak will appear at (i) 5.2 (ii) 5.7* (iii) 7.8 (iv) 8.6
Last Answer : ii) 5.7*