Description : For the construction of cement concrete dams, the maximum permissible size of the aggregates, is (A) 40 mm (B) 50 mm (C) 60 mm (D) 70 mm
Last Answer : Answer: Option A
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 : 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 : For the construction of cement concrete floor, the maximum permissible size of aggregate, is (A) 4 mm (B) 6 mm (C) 8 mm (D) 10 mm
Description : The aggregates required for one kilometre length of water bound macadam road per meter width and for 10 mm thickness is (A) 8 cubic meter (B) 10 cubic meter (C) 12 cubic meter (D) 15 cubic meter
Last Answer : Answer: Option C
Description : In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to (A) 15 mm (B) 25 mm (C) 35 mm (D) 45 mm
Last Answer : Answer: Option B
Description : The minimum cover in a slab should neither be less than the diameter of bar nor less than (A) 10 mm (B) 15 mm (C) 25 mm (D) 13 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 : If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than (A) 20.5 mm (B) 30.5 mm (C) 40.5 mm (D) 50.5 mm
Description : The size of fine aggregates does not exceed [ A ] 2.75 mm [ B ] 3.75 mm [ C ] 4.75 mm [ D ] 5.75 mm
Last Answer : [ C ] 4.75 mm
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
Description : The size of fine aggregates does not exceed (A) 2.75 mm (B) 3.00 mm (C) 3.75 mm (D) 4.75 mm
Description : Gravels (A) Are cohesionless aggregates (B) Vary in size between 2 to 20 mm (C) Never swell when they come into contact with water (D) All the above
Description : For reinforced concrete work, aggregates having a nominal size of -------- are generally used [ A ] 20 mm [ B ] 40 mm [ C ] 50 mm [ D ] 60 mm
Last Answer : [ A ] 20 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 : The maximum permissible differential settlement, in case of foundations in clayey soil, is usually limited to (A) 10 mm (B) 20 mm (C) 30 mm (D) 40 mm
Description : For a continuous slab of 3 m × 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is (A) 50 mm (B) 75 mm (C) 100 mm (D) 120 mm
Last Answer : (B) 75 mm
Description : For a continuous slab of 3 m x 35 m size, the minimum overall depth of slab to satisfy vertical deflection limits is (a) 120 mm (b) 100 mm (c) 75 mm (d) 50 mm
Last Answer : (a) 120 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 maximum diameter of a bar used in a ribbed slab, is (A) 12 mm (B) 6 mm (C) 20 mm (D) 22 mm
Description : Interior thickness of concrete road slab for design wheel load 6300 kg and permissible flexural stress 21 kg/cm2 , is (A) 17.0 cm (B) 25.5 cm (C) 34.0 cm (D) 42.5 cm
Description : I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of (A) Coarse aggregates (B) Fine aggregates (C) Neither (a) nor (b) (D) Both (a) and (b)
Description : If a grading curve is horizontal between the portions of 20 mm I.S. Sieve and 4.75 mm I.S. Sieve, the graded aggregates do not contain (A) 20 mm particles (B) 10 mm particles (C) 4.75 mm particles (D) All the above
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
Description : Two columns 50 cm 50 cm and 60 cm 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t ... the foundation slab = 7.00 m (C) Area of footing slab = 11.00 m2 (D) All the above
Last Answer : Option D
Description : A hollow shaft of 1 m length is designed to transmit a power of 30 kW at 700 rpm. The maximum permissible angle of twist in the shaft is 1o. The inner diameter of the shaft is 0.7 times the outer diameter. The modulus of ... shaft is _______. (a) 43 to 45 (b) 50to 60 (c) 70 to 80 (d) 85 to 100
Last Answer : (a) 43 to 45
Description : The maximum load to which a fillet joint of length can be subjected to, is (A) 0.7 × S × fillet size × L (B) 2 × S × fillet size × L (C) Permissible shear stress × fillet size × L (D) (S × fillet size × L)/3
Last Answer : (A) 0.7 × S × fillet size × L
Description : The 28 days cube strength of mass concrete using aggregates of maximum size 5 cm for gravity dams should be (A) Between 150 to 300 kg/cm2 (B) Between 350 to 600 kg/cm2 (C) Between 150 to 500 kg/cm2 (D) Below 200 kg/cm2
Description : Maximum permissible colour for domestic water supplies, based on Cobalt scale, is (A) 5 P.P.M. (B) 10 P.P.M. (C) 15 P.P.M. (D) 20 P.P.M.
Last Answer : (D) 20 P.P.M.
Description : The maximum permissible colour for domestic supplies based on cobalt scale, is (A) 5 ppm (B) 10 ppm (C) 15 ppm (D) 20 ppm
Last Answer : (D) 20 ppm
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 : 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 : Vertical wear permissible for 60kg/90UTS. rails is:- (a) 23 mm. (b) 10 mm. (c) 13 mm.* (d) 15 mm.
Last Answer : (c) 13 mm.
Description : The breadth of a ribbed slab containing two bars must be between (A) 6 cm to 7.5 cm (B) 8 cm to 10 cm (C) 10 cm to 12 cm (D) 12 cm to 15 cm
Description : Pick up the incorrect statement from the following: (A) In properly graded aggregates, bulk density is more (B) In single size aggregates, bulk density is least (C) In single size aggregates, bulk density is maximum (D) None of these
Description : Which of the following statement is correct (a) The maximum size of coarse aggregate should not exceed one fourth of the minimum dimension of the plain concrete member. (b) The maximum size of coarse ... aggregates of 40mm, 20mm and 10mm sizes are commonly used for concrete works (d) All the above
Last Answer : (d) All the above
Description : Permissible wear of web & foot of rail due to corrosion is:- (a) 15 mm. (b) 1.5 mm.* (c) 0.5 mm. (d) 2.5 mm.
Last Answer : (b) 1.5 mm
Description : In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0, 0), (0, 30), (50, 30) and (50, 0). By applying cutter radius right ... , 5), (5, 5) d.(5, 5), (45, 5), (45, 25), (5, 25), (5, 5)
Last Answer : a.(-5, 0), (-5, 35), (55, 35), (55,-5), (-5,-5)
Description : Maximum vertical clearance (VC) for a slab/ girder bridges with discharge above 3000 cumecs is a) 300 mm b) 1500 mm c) 1800 mm* d) 600 mm
Last Answer : c) 1800 mm*
Description : Permissible width of crack at the surface of concrete for „moderate‟ environmental conditions according to IS : 456-2000 is [ A ] 0.1 mm [ B ] 0.2 mm [ C ] 0.3 mm [ D ] 0.4 mm
Last Answer : [ B ] 0.2 mm
Description : For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should be 30 to 75 cm square with a minimum thickness of (A) 5 mm (B) 10 mm (C) 15 mm (D) 25 mm
Description : The thickness of the topping of a ribbed slab, varies between (A) 3 cm to 5 cm (B) 5 cm to 8 cm (C) 8 cm to 10 cm (D) 12 cm to 15 cm
Description : The raft slab is projected beyond the outer walls of the structure by (A) 5 to 10 cm (B) 15 to 20 cm (C) 25 to 30 cm (D) 30 to 45 cm
Description : The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose ends are hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2 , the permissible maximum crippling load will be (A) 1.288 tonnes (B) 12.88 (C) 128.8 tonnes (D) 288.0
Last Answer : (B) 12.88
Description : In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net ... load should not exceed (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm
Description : In Girder and Slab Bridges Danger level should be marked below bottom of girders/slabs for water way is > 6.10 < 12.2 m a) 300 mm b) 600 mm c) 450 mm* d) 500 mm
Last Answer : c) 450 mm*
Description : The difference in the reservoir level and the lowest point of the water mains is 180 m. The expected pressure due to water hammer is 7.5 kg/cm2 in a pressure conduit of diameter 1 m. Assuming the efficiency of the ... , is (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm
Last Answer : (C) 20 mm
Description : The maximum ratio of span to depth of a cantilever slab, is (A) 8 (B) 10 (C) 12 (D) 16
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 maximum ratio of span to depth of a cantilever slab is (a) 8 (b) 10 (c) 12 (d) 14
Last Answer : (c) 12