Description : The diameter of bars for main reinforcement in slabs, may be (a) 2 to 4mm (b) 4 to 8mm (c) 8 to 14mm (d) 14 to 18mm
Last Answer : (c) 8 to 14mm
Description : A seamless cylinder of storage capacity of 0.03mᵌis subjected to an internal pressure of 21MPa. The ultimate strength of material of cylinder is 350N/mm².Determine the thickness of the cylinder if it is twice the diameter of the cylinder. a) 12mm b) 4mm c) 8mm d) 16mm
Last Answer : c) 8mm
Description : If high yield strength deformed bars are used, the are of distribution reinforcement in slabs, should not less than. (a) 0.12% of the gross area of concrete (b) 0.15% of the gross area of concrete (c) 0.18% of the gross area of concrete (d) 0.20% of the gross area of concrete
Last Answer : (a) 0.12% of the gross area of concrete
Description : If plain bars are used, the area of distribution reinforcement in slabs should not less than (a) 0.12% of the gross area f concrete (b) 0.15% of the gross area of concrete (c) 0.18% of the gross area of concrete (d) 0.20% of the gross area of concrete
Last Answer : (b) 0.15% of the gross area of concrete
Description : If shaft diameter is 30mm and number of pins emplaced are 6, then the diameter of the pin will be? a) 6.4mm b) 5.6mm c) 6.1mm d) 5.9mm
Last Answer : c) 6.1mm
Description : The main reinforcement of a R.C. slab consists of 10 mm bars at 100 mm spacing; if it is desired to replace the 10 mm bars by 12 mm bars, then the spacing of 12mm bars should be (a) 120 mm (b) 140 mm (c ) 144 mm (d) 160mm
Last Answer : (c ) 144 mm
Description : A stirrups consists of ____________diameter mildsteel bars bent round the tensile reinforcement (a) 1 to 5mm (b) 5 to 12mm (c) 12 to 18mm (d) All the above
Last Answer : (b) 5 to 12mm
Description : The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than (A) 0.15 (B) 0.12 (C) 0.30 (D) 1.00
Last Answer : Answer: Option B
Description : Minimum reinforcement in slabs, when High yield strength deformed bars [ A ] 0.12% of gross cross sectional area [ B ] 0.15% of gross cross sectional area [ C ] 0.20% of gross cross sectional area [ D ] 0.25% of gross cross sectional area.
Last Answer : [ A ] 0.12% of gross cross sectional area
Description : Minimum permissible vertical wear on nose of a 52 kg CMS crossing on Rajdhani route is i) 6mm ii) 8mm* iii) 10mm iv) 12 mm
Last Answer : ii) 8mm*
Description : A leaf spring consists of 3 extra full length leaves and 14 graduated length leaves. The maximum force that can act on the spring is 70kN and the distance between eyes of the spring is 1.2m. Width and thickness of the ... /mm², calculate the initial nip. (a) 26.8mm (b) 24.9mm (c) 22.5mm (d)23.1mm
Last Answer : b) 24.9mm
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
Last Answer : Answer: Option D
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 : 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 : Maximum percentage reinforcement in case of slabs is limited to (A) 2 (B) 4 (C) 6 (D) 8
Last Answer : (B) 4
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 : The percentage of minimum reinforcement of the gross sectional area in slabs, is (A) 0.10 % (B) 0.12 % (C) 0.15 % (D) 0.18 %
Last Answer : Answer: Option C
Description : In slabs the Maximum horizontal distance between parallel main reinforcement should not exceed i.Three times effective depth ii Five times effective depth iii 300mm iv 450 mm [ A ] i and iii [ B ] i and iv [ C ] ii and iii [ D ] ii and iv
Last Answer : [ A ] i and iii
Description : The percentage of reinforcement in slabs is generally in the range of [ A ] 0.3% to 0.5% [ B ] 0.5% to 1.0% [ C ] 1.0% to 1.5% [ D ] 1.5 % to 2.0%
Last Answer : [ A ] 0.3% to 0.5%
Description : The Maximum spacing of Secondary reinforcement in slabs should be [ A ] Less than 450 mm [ B ] Less than 300 mm [ C ] Smaller of three times the effective depth and 450 mm [ D ] Smaller of five times the effective depth and 450 mm
Last Answer : [ D ] Smaller of five times the effective depth and 450 mm
Description : The Maximum spacing of Main reinforcement „m‟ slabs shall be [ A ] Less than three times of the effective depth [ B ] Less than 300mm [ C ] Smaller of (a) and (b) [ D ] Greater of (a) and (b)
Last Answer : [ C ] Smaller of (a) and (b)
Description : Find total number coils in a spring having square and ground ends. Deflection in the spring is 6mm when load of 1100N is applied. Modulus of rigidity is 81370N/mm². Wire diameter and pitch circle diameter are 10mm and 50mm respectively. a) 7 b) 6 c) 5 d) 4
Last Answer : a) 7
Description : The amount of reinforcement for main bars in a slab, is based upon (A) Minimum bending moment (B) Maximum bending moment (C) Maximum shear force (D) Minimum shear force
Description : Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam (A) Are curtailed if not required to resist the bending moment (B) Are bent up at suitable ... to serve as shear reinforcement (D) Are maintained at bottom to provide at least local bond stress
Description : 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
Last Answer : Answer: Option A
Description : The amount of reinforcement for main bars in a slab, is based upon (a) Maximum bending moment (b) Minimum bending moment (c) Maximum shear force (d) Minimum shear force
Last Answer : (a) Maximum bending moment
Description : The pitch of bars of main reinforcement in slab should not exceed ________the effective depth of slab. (a) Double (b) Three times (c) Five times (d) Six times
Last Answer : (b) Three times
Description : Shear reinforcement is provided in the form of (a) Vertical bars (b) Inclined bars (c) Combination of vertical and inclined bars (d) All the above
Last Answer : (d) All the above
Description : In the reinforced cement concrete structure, the steel reinforcement consists of . (a) Deformed bars (b) Cold twisted bars (c) Mildsteel and medium tensile steel bars (d) All of these
Last Answer : (d) All of these
Description : As per IS: 1139, permissible stress in compression steel reinforcement for High Yield strength deformed bars is [ A ] 140 N/mm2 [ B ] 190 N/mm2 [ C ] 230 N/mm2 [ D ] 415 N/mm2
Last Answer : [ B ] 190 N/mm2
Description : A concentric spring consists of 2 sprigs of diameter 10mm and 4mm. The net force acting on the composite spring is 5000N. Find the force acting on each of the two springs. (a) 1232.2N and 3767.8N (b) 786.4N and 4213.6N (c) 689.7N and 4310.3N (d) 645.3N and 4354.7N
Last Answer : (c) 689.7N and 4310.3N
Description : The Maximum diameter steel in slabs should not exceed --------- the total thickness of the slab [ A ] One-half [ B ] One-fourth [ C ] One-eighth [ D ] One-sixteenth
Last Answer : [ C ] One-eighth
Description : A reinforced concrete slab is 75 mm thick. The maximum size of reinforcement bar that can be used is (a) 6 mm diameter (b) 8 mm diameter (c) 10 mm diameter (d) 12 mm diameter
Last Answer : (b) 8 mm diameter
Description : Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm2. a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm
Last Answer : b) 41.2mm
Description : Root and face bends from an 8mm thick butt weld require testing. The specimens are cut to 20mm wide. The code calls for a 4t bend. Which of the following rollers should be selected for the testing? a) 50mm radius b) 50mdiameter c) 32mm radius d) 32mm diameter
Last Answer : d) 32mm diameter
Description : Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm². a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm
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
Description : If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than (A) 4 mm (B) 5 mm (C) 6 mm (D) 8 mm
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 : 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 : The minimum diameter of longitudinal bars in a column is (A) 6 mm (B) 8 mm (C) 12 mm (D) 16 mm
Description : The vertical distance clearance between the bottoms of the toe board? a. 0mm (0 inch) b. 6mm ( ¼ inch) c. 3mm ( 1/8 inch)
Last Answer : b. 6mm ( ¼ inch)
Description : Distribution reinforcement in a simply supported slab, is provided to distribute (A) Load (B) Temperature stress (C) Shrinkage stress (D) All the above
Description : in a simply supported slab, the pitch of distribution reinforcement should not be more than_____________the effective depth of slab or 60cm which ever is smaller. (a) Double (b) Three times (c) Five times (d) Six times
Last Answer : (c) Five times
Description : The distribution reinforcement is also called _______________reinforcement. (a) Longitudinal (b) Transverse (c) Main (d) None of the these
Last Answer : (b) Transverse
Description : If diameter of a reinforcement bar is d, the anchorage value of the hook is (A) 4d (B) 8d (C) 12d (D) 16d
Description : The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than (A) 18 bar diameters (B) 24 bar diameters (C) 30 bar diameters (D) 36 bar diameters
Description : Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than (A) One diameter of thinner bar (B) One diameter of thicker bar (C) Twice the diameter of thinner bar (D) None of these
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 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