Description : If d is the economic designed depth of a slab, the thickness of the cement concrete pavement slab at interior, is kept (A) 1.275 d (B) 1.125 d (C) 0.85 d (D) 0.75 d
Last Answer : Answer: Option C
Description : To indicate proper control of consistency of a freshly mixed concrete for pavement construction, the slump should be between (A) 3 to 5 cm (B) 4 to 6 cm (C) 5 to 7 cm (D) 7 to 10 cm
Last Answer : Answer: Option D
Description : Depth of borings for soil investigation, is generally kept below low water level (A) 30 m (B) 35 m (C) 45 m (D) 40 m
Last Answer : (C) 45 m
Description : If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm", the pressure at a depth of 50 m below the oil surface will be (A) 2 meters of water column (B) 3 meters of water column (C) 5 meters of water column (D) 6 meters of water Column
Description : Depth of lean concrete bed placed at the bottom of a wall footing, is kept (A) 10 cm (B) 15 cm (C) Equal to its projection beyond wall base (D) Less than its projection beyond wall base
Description : If the difference in elevation of an edge of the pavement 9 m wide and its crown is 15 cm, the camber of the pavement, is (A) 1 in 60 (B) 1 in 45 (C) 1 in 30 (D) 1 in 15
Description : For providing a raft foundation, the following activities are involved 1. Ramming the foundation bed 2. Excavation of the soil upto required depth 3. Laying the reinforcement over the foundation bed 4. Curing the cement concrete placed over ... 2, 1 (C) 2, 1, 3, 5, 4 (D) 3, 2, 5, 1, 4
Description : Which one of the following statements regarding septic tanks is wrong? A. A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided B. The outlet invert level is kept ... . The minimum width of septic level is 90 cm D. The depth of tank is kept equal to its width
Last Answer : ANS: D
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 : Tyre pressure influences the (A) Total depth of pavement (B) Quality of surface course (C) Both the above (D) None of the above
Last Answer : Answer: Option B
Description : To prevent movement of moisture from sub-grade to road pavement on embankments about 0.6 m to 1 m higher than water table, the thickness of cut off layer of coarse sand used, is (A) 15 cm (B) 20 cm (C) 30 cm (D) None of these
Description : Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds (A) 50 cm (B) 75 cm (C) 100 cm (D) 120 cm
Description : The width of the rib of a T-beam, is generally kept between (A) 1/7 to 1/3 of rib depth (B) 1/3 to 1/2 of rib depth (C) 1/2 to 3/4 of rib depth (D) 1/3 to 2/3 of rib depth
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
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
Description : In a simply supported reinforced concrete beam, the reinforcement is placed. (a) Above the neutral axis (b) Below the neutral axis (c) At the neutral axis (d) None of these
Last Answer : (b) Below the neutral axis
Description : In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept A. 10.0 B. 5.0 C. 2.0 D. 0.25
Description : If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm2 , the length of the beam having nominal reinforcement, is (A) 8 cm (B) 6 m (C) 8 m (D) 10 m
Description : Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2 , is (A) 70 kg/sq cm (B) 80 kg/sq cm (C) 90 kg/sq cm (D) 100 kg/sq cm
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 : The minimum width of the pavement of a National Highway should be (A) 4.7 m (B) 5.7 m (C) 6.7 m (D) 7.7 m
Description : The width of pavement in addition to a gravelled berm 1 m on either side for a two directional traffic recommended by Nagpur Conference of Chief Engineers, is (A) 4.7 m (B) 5.7 m (C) 6.7 m (D) 7.7 m
Description : The maximum harbour depth below lowest low water is generally equal to (i) Loaded draft +1.2 m when bottom is rock (ii) Loaded draft +1.8 m when bottom is soft (iii) Loaded draft +1.2 m when bottom is ... ) and (iii) are correct (C) (ii) and (iv) are correct (D) (iii) and (iv) are correct
Last Answer : (D) (iii) and (iv) are correct
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 : The excavation exceeding 1.5 m in width and 10 sq.m in plan area with a depth not exceeding 30 cm, is termed as (A) Excavation (B) Surface dressing (C) Cutting (D) Surface excavation
Last Answer : (D) Surface excavation
Description : According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than (A) 5 cm (B) 10 cm (C) 15 cm (D) 20 cm
Description : The surface of a "desert pavement" is composed mainly of which of the following? w) loose sand x) sand and clay y) pebbles and boulders z) concrete and cement
Last Answer : ANSWER: Y -- PEBBLES AND BOULDERS
Description : Pick up the incorrect statement from the following: (A) No deduction is made for the volume occupied by reinforcement (B) No deduction is made for the openings upto 0.1 sq.m (C) No deduction is made for volumes occupied by pipes, not exceeding 100 sq.cm in crosssection (D) None of these
Last Answer : (D) None of these
Description : According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than (A) 20 cm (B) 30 cm (C) 40 cm (D) 75 cm
Description : Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be (A) 1000 kg (B) 4000 kg (C) 2000 kg (D) 8000 kg
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 : In cement concrete pavements, tensile stress is due to: (A) Bending or deflection under wheel loads (B) Difference in temperature of the top and bottom of pavement (C) Contraction of slab during falling temperature (D) All the above
Description : If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an interior loading, is (A) b = d 2 ) - 0.675 d (B) b = d 2 ) + 0.675 d (C) b = d 2 ) - 3.675 d (D) b = d 2 ) - 0.675 d
Description : Concrete pavement is provided if daily traffic per lane exceeds (A) 500 tonnes (B) 750 tonnes (C) 1000 tonnes (D) 1250 tonnes
Description : For the design of cement concrete pavement for corner loading, Indian Road Congress recommends the use of (A) Westergaard's formula (B) Kelly's formula (C) Goldbeck's formula (D) Picker's formula
Description : In ideal pavement is constructed with (A) Bricks (B) Hard soil (C) Portland cement concrete (D) Tar
Description : To prevent compressive stresses in a rigid concrete pavement, the joint provided, is (A) Expansion joint (B) Contraction joint (C) Hinged joint (D) All the above
Description : When load is applied on concrete pavement (A) Away from edges, the maximum bending moment is negative (B) Away from edges, the maximum bending moment cause compression (C) On the edges, the maximum stress is parallel to the edge of the slab (D) None of these
Description : The aggregate impact value of the aggregate used in (A) Building concrete is less than 45 (B) Road pavement concrete is less than 30 (C) Runway concrete is less than 30 (D) All the above
Description : In a concrete pavement, during summer, at and soon after mid-day, the combined stress at the interior of the slab is equal to : (a) Wheel load stress + Temperature warping stress + Sub ... + Sub grade resistant stress (d) Wheel load stress - Temperature warping stress − Sub grade resistant stress
Last Answer : (b) Wheel load stress + Temperature warping stress – Sub grade resistant stress
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 : If P kg/m2 is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by (A) D = 0.00775 aP (B) D = 0.0775 aP (C) D = 0.07775 aP (D) D = 0.775 Pa
Description : If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is (A) D = 0.0775 a (B) D = 0.775 a (C) D = 0.775 a (D) D = 0.775 a2
Description : The diameter of the column head support a flat slab, is generally kept (A) 0.25 times the span length (B) 0.25 times the diameter of the column (C) 4.0 cm larger than the diameter of the column (D) 5.0 cm larger than the diameter of the column
Last Answer : Option A
Description : The thickness of a reinforced brick partition wall, is generally kept (A) 5 cm (B) 10 cm (C) 15 cm (D) 20 cm
Description : In a grit chamber of a sewage treatment plant, A. Flow velocity 0.15 m to 0.3 m/sec is kept B. Depth of 0.9 m to 1.20 m is kept C. One minute of detention period is kept D. All the above
Description : The effective depth of a singly reinforced rectangular beam is 300mm. the section is over-reinforced and the neutral axis is 120mm below the top. If the maximum stress attained by concrete is 5N/mn2 and the modular ratio ... in the steel will (a) 130N/mm2 (b) 135N/mm2 (c) 160N/mm2 (d) 180N/mm2
Last Answer : (b) 135N/mm2
Description : Thickness of broken line markings on multi-lane road for lanes is generally kept (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm
Description : Thickness of broken centre line markings for a four lane road, is generally kept (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm
Description : Width of the shoulders of carriage way is generally kept (A) 100 cm (B) 125 cm (C) 150 cm (D) 250 cm