Description : Depth of reinforcement below the surface of a concrete pavement, is generally kept (A) 5 cm (B) 6 cm (C) 7 m (D) 9 m
Last Answer : Answer: Option A
Description : Bottom-most component of a flexible pavement, is (A) Sub-grade (B) Sub-base (C) Base (D) Base course
Description : Bottom most layer of pavement is known as (A) Wearing course (B) Base course (C) Sub-base course (D) Sub-grade
Last Answer : Answer: Option D
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 : 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 : The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) (A) wA (B) wx (C) wAx (D) wA/x
Description : Rigidity factor for a tyre pressure greater than 7 kg/cm² is (A) Equal to 1 (B) Less than 1 (C) Greater than 1 (D) Zero
Last Answer : Answer: Option B
Description : Roughness index of roads, is expressed as (A) Size of the stone on the pavement (B) Number of patches on the pavement (C) Cumulative deformation of surface per horizontal distance (D) Type of the road surface
Description : Pavement is said to be flexible if it contains (A) Water bound macadam surface (B) Stabilised soil base constructed of lime cement or tar (C) Bitumen-bound stone layer of varying aggregates (D) All the above
Description : Vertical section of plough influences 1. Pulverization 2. Depth of cut 3. Width of cut 4. direction of pull
Last Answer : ans 2
Description : Vertical section of plough influences A. Pulverization C. Width of cut B. Depth of cut D. Direction of pull
Last Answer : Depth of cut
Description : Disc angle adjustment influences: a. Depth of cut b. width of cut c. Soil break up d. Direction of travel
Last Answer : b. width of cut
Description : Vetical suction of plough influences: a. Pulverization b. Depth of cut c. Width of cut d. Direction of cut
Last Answer : b. Depth of cut
Description : The maximum allowable Los Angeles abrasion value for high quality surface course is (A) 10 % (B) 20 % (C) 30 % (D) 45 %
Description : The meaning of variable is Options: A) The quality having different values B) The nature of happening which influences other happenings through its presence C) Both of the above D) None of the above
Last Answer : C) Both of the above
Description : The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawlermounted and pneumatic tyre-mounted machines would be respectively (A) 80 and 90 (B) 90 and 80 (C) 85 and 75 (D) 75 and 83
Last Answer : (D) 75 and 83
Description : Tractive coefficient of a Crawler truck in loose soil is (a) Less than that of rubber tyre tractors (b) More than that of rubber tyre tractors (c) Same as that of rubber tyre tractors (d) Nearly zero
Last Answer : (d) Nearly zero
Description : The location of centre of pressure, which defines the point of application of the total pressure force on the surface, can be calculated by applying the principle of moments according to which "sum of the moment of the resultant force about an ... liquid) (A) 1/(y/3) (B) 2y/3 (C) 1/(y/4) (D) 3y/4
Last Answer : (B) 2y/3
Description : Find the unit in which car-tyre pressure is measured.
Last Answer : Find the unit in which car- tyre pressure is measured.
Description : Why people sometimes reduce the tyre pressure in icy conditions?
Last Answer : I don't understand the question
Description : The purpose of an accumulator is to: a. Relieve excess pressure b. Store fluid under pressure c. Store compressed gas for tyre inflation d. Remove air from the system
Last Answer : b. Store fluid under pressure
Description : State the effect of Inflation pressure on the life of the tyre. With a sketch explain tyre rotation procedure and its necessity.
Last Answer : Effects of Under-inflation: 1. Uneven tread wear, more wear at tyre sides. 2. Lack of directional stability. 3. Increased rolling resistance leading to increased fuel consumption. 4. ... axle, while the drive axle tyres are brought straight to the free rolling axle (without crossing).
Description : Pick up the incorrect statement from the following: (A) Free surface ground water is subjected to atmospheric pressure (B) Water table surface rises and falls with seasons (C) ... directly proportional to the rate of drawl of water (D) Level of water table remains stationary
Last Answer : (D) Level of water table remains stationary
Description : Hydrodynamic pressure due to earthquake acts at a height of (A) 3H/4 above the base (B) 3H/4 below the water surface (C) 4H/3 above the base (D) 4H below the water surface, where H is the depth of water.
Description : The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) (A) w (B) wh (C) w/h (D) h/w
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 : The point at which the resultant pressure on an immersed surface acts, is known as (A) Centre of gravity (B) Centre of depth (C) Centre of pressure (D) Centre of immersed surface
Description : The intensity of pressure at any point, in a liquid, is (A) Directly proportional to the area of the vessel containing liquid (B) Directly proportional to the depth of liquid from the ... length of the vessel containing liquid (D) Inversely proportional to the depth of liquid from the surface
Description : The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is (A) 2.4 m (B) 3.0 m (C) 4.0 m (D) 5.0 m
Description : The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface. (A) Equal (B) Directly proportional (C) Inversely proportional (D) None of these
Description : The intensity of pressure on an immersed surface __________ with the increase in depth. (A) Does not change (B) Increases (C) Decreases (D) None of these
Description : The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, ... (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +
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 : A motor bike tyre has two punctures. The 1st puncture alone would have made the tyre flat in 27 minutes and the 2nd alone would have done it in 18 minutes. If air leaks out at a constant rate, how long does it take ... flat? a) 20 4/3 minutes b) 15 4/7 minutes c) 10 4/5 minutes d) 25 4/3 minutes
Last Answer : C 1st puncture made the tyre flat in 27 mins 2nd puncture made the tyre flat in 18 mins 1 minute’s work of both the punctures = (1/27 + 1/18) =(2+3)/54 =5/54 So, both the punctures will make the tyre flat in 54/5 mins =>10 4/5 minutes
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 pavement width of a road depends upon (A) Terrain (B) Type of traffic (C) Number of lanes (D) All the above
Description : The basic formula for determination of pavement thickness was first suggested by (A) Spangler (B) Picket (C) Kelly (D) Goldbeck
Description : Pick up the incorrect statement from the following. The super-elevation on roads is (A) Directly proportional to width of pavement (B) Directly proportional to velocity of vehicles (C) Inversely proportional to acceleration due to gravity (D) Inversely proportional to the radius of curvature
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 : Non-passing sight distance along a road is the longest distance at which the driver of a moving vehicle, may see an obstacle on the pavement (A) 10 cm high (B) 25 cm high (C) 50 cm high (D) 100 cm high
Description : Cement grouted pavement is classified as (A) Rigid pavement (B) Semi-rigid pavement (C) Flexible pavement (D) None of these
Last Answer : B
Description : The convexity provided to the carriageway between the crown and edge of the pavement, is known as (A) Super-elevation (B) Camber (C) Height of the pavement (D) None of these
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 : To prevent movement of moisture from sub-grade to road pavement at the same level as that of water-table, thickness of a cut off layer of coarse sand, is (A) 15 cm (B) 20 cm (C) 30 cm (D) 45 cm
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
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 : The width formation of a road means the width of (A) Carriageway (B) Pavement and shoulders (C) Embankment at ground level (D) Embankment at the top level
Description : Full amount of extra width of a pavement on the curve, is provided at (A) Beginning of the transition curve (B) Centre of the transition curve (C) Beginning of the circular curve (D) Centre of the circular curve
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