Description : Most suitable material for highway embankments is (A) Granular soil (B) Organic soil (C) Silts (D) Clays
Last Answer : Answer: Option A
Description : Pick up the correct statement from the following: (A) Safety fences are provided on either side of a roadway if embankments are in excess of 6 metres (B) Safety fences are provided on outside of the ... 2.5 metres intervals if embankments are between 1.6 metres to 3 metres (D) All the above
Last Answer : Answer: Option D
Description : For each storey of a building, the depth of exploration should be (A) 1 metre (B) 2 metres (C) 3 metres (D) 4 metres
Last Answer : Option C
Description : A triangular section having base b, height h, is placed with its base horizontal. If the shear stress at a depth y from top is q, the maximum shear stress is (A) 3S/bh (B) 4S/bh (C) 4b/Sh (D) 3b/bS
Last Answer : (A) 3S/bh
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.
Last Answer : Answer: Option C
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 : For wave action in dams, the maximum height of freeboard is generally taken to be equal to (A) 0.5 hw (B) 0.75 hw (C) 1.25 hw (D) 1.50 hw
Description : Grillage foundation (A) Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity (B) Is light and economical (C) Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth (D) All the above
Description : The earthen embankments constructed parallel to the river banks at some suitable distance for flood control, are known as (A) Floods walls (B) Dikes (C) Levees (D) Both (b) and (c)
Description : Seepage through embankments in an earthen dam is controlled by (A) Drainage filters (B) Relief wells (C) Drain trenches (D) Provision of downstream berms
Description : Unconfined compression test it most suitable for determining the : 1. Sensitivity of clays 2. Settlement of embankments 3. ‘Strength’ of partially saturated clay sample 4. ‘Strength’ of fully saturated clay sample (a) 1, 2, 3 and 4 (b) 2 and 3 only (c) 3 and 4 only (d) 1 and 4 only
Last Answer : (d) 1 and 4 only
Description : If is the angle of repose of soil of weight w kg/m3 , the horizontal pressure p at a depth of h metres per metre length of wall, is (A) wh × [(1 - sin )/(1 + )] (B) (wh/2) × [(1 - sin )/(1 + )] (C) wh - sin )/(1 + )] (D) wh )/(1 - )
Description : In which state the release of water from dams during heavy rains aggravated the flood situation in 2006? -SST 10th
Last Answer : Maharashtra and Gujarat.
Description : As compared to gravity dams, earthen dams (A) Are costlier (B) Are less susceptible to failure (C) Require sound rock foundations (D) Require less skilled labour
Description : Natural embankments found on upper valley sides are-known as – (1) high banks (2) levees (3) bunds (4) ridge
Last Answer : (2) levees Explanation: A levee is an elongated naturally occurring ridge or artificially constructed fill or wall, which regulates water levels. It is usually earthen and often parallel to the course of a river in its floodplain or along low lying coastlines.
Description : Natural embankments found on upper valley sides are-known as (1) high banks (2) levees (3) bunds (4) ridge
Last Answer : levees
Description : Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as (A) 1/8th of the span (B) 1/10th of the span (C) 1/12th of the span (D) 1/16th of the span
Description : In a wet dock system, (A) Minimum required depth of water for the vessels is maintained (B) Entrance locks are provided with massive gates (C) The cost of construction is quite heavy (D) All the above
Last Answer : (D) All the above
Description : Functions of seed drill machine . g. To carry the seeds h. To open furrow to an uniform depth i. To cover the seeds and compact the soil around the seed j. All of the above
Last Answer : All of the above
Description : Assertion A: Intervention of undulations in the sea bed reduces the depth of wave at the section. Reason R: No wave can have a height greater than the depth of water through which it passes Select your answer based on ... of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is correct explanation of A
Description : If L, B and D length, breadth and depth of water in a rectangular sedimentation tank of total discharge Q, the settling velocity, is (A) Q/H (B) Q/D (C) Q/(D × B) (D) Q/(L × B)
Last Answer : (D) Q/(L × B)
Description : According to Rankine's formula, the minimum depth of foundation (A) h = (P/W) [(1 - sin )/(1 + sin )]² (B) h = (w/P) [(1 - sin )/(1 + sin )]² (C) h = (P/w) [(1 - sin )/(1 + tan )]² (D) h = (P/w) [(1 - tan )/(1 + tan )]²
Description : The average mean velocity of a stream having depth h, may be obtained by taking the average of the readings of a current meter at a depth of (A) 0.1 h and 0.9 h (B) 0.2 h and 0.8 h (C) 0.3 h and 0.7 h (D) 0.4 h and 0.6 h
Last Answer : Answer: Option B
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 : 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 : State the necessity of soil exploration. What is the criterion for deciding the number of test-pits for site investigation?
Last Answer : Necessity of site exploration: 1. To know stratification below ground surface. 2. To determining index properties of soil like bulk density, voids ratio, water content, permeability, bearing capacity, ... should be taken along top line of upstream side across the abutments with 50 m spacing.
Description : Define soil exploration.
Last Answer : Soil exploration: It is the technique of acquiring the information of subsoil before the proposed construction work; is known as soil exploration.
Description : Before constructing a dam, the factor to be considered for controlling sedimentation, is (A) Selection of dam site (B) Construction of check dams (C) Providing vegetation screens (D) All the above
Description : Water supply system includes (A) Digging a well for water (B) Construction of dams (C) Construction of canals (D) Entire arrangement from source to distribution
Last Answer : (D) Entire arrangement from source to distribution
Description : Pozzolana cement is used with confidence for construction of (A) Dams (B) Massive foundations (C) R.C.C. structures (D) All the above
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 : 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
Description : Which of the following cements is suitable for use in massive concrete structures such as large dams? (A) Ordinary Portland cement (B) Low heat cement (C) Rapid hardening cement (D) Sulphate resisting cement
Description : The design flood commonly adopted in India for barrages and minor dams is (a) Probable maximum flood (b) A flood of 50 – 100 years return period (c) Peak flood (d) Standard project flood or a 100-year flood, whichever is higher
Last Answer : (d) Standard project flood or a 100-year flood, whichever is higher
Description : Distorted modes are needed for : 1. Rivers 2. Dams across wide rivers 3. Harbours (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3
Last Answer : (d) 1, 2 and 3
Description : The factor for the selection of pumping station site, is (A) Distance of the source of contamination or pollution (B) Height above the H.F.L. of the river (C) Future expansion (D) All the above
Description : The moment of inertia of a triangular section (height h, base b) about its base, is (A) bh²/12 (B) b²h/12 (C) bh3 /12 (D) b 3h/12
Last Answer : (C) bh3 /12
Description : If is the difference in height between end points of a chain of length , the required slope correction is (A) h²/2l (B) h/2l (C) h²/l (D) 2h²/2l
Last Answer : (A) h²/2l
Description : The C.G. of a right circular solid cone of height h lies at the following distance from the base (A) h/2 (B) J/3 (C) h/6 (D) h/4
Last Answer : (D) h/4
Description : A rectangular bar of width b and height h is being used as a cantilever. The loading is in a plane parallel to the side b. The section modulus is (A) bh3 /12 (B) bh²/6 (C) b²h/6 (D) None of these
Last Answer : (C) b²h/6
Description : Back fill with a sloping surface exerts a total active pressure Pa on the wall of height H and acts at (A) H/4 above the base parallel to base (B) H/2 above the base parallel to base (C) H/3 above the base parallel to base (D) H/5 above the base parallel to base
Description : A suspended particle falls through a height minutes. If the viscosity of water is and specific gravity of the particle is , the diameter of the particle is (where M is a constant factor) (A) 103M (H/t) (B) 104M (H/t) (C) 105M (H/t) (D) 102M (H/t)
Description : If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height (A) h = dp/(B/H) (B) h = (B/H) dp (C) h = dp/(H/B) (D) h = (H/B) dp
Description : If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is (A) 0.3 H (B) 0.4 H (C) 0.5 H (D) 0.7 H
Description : Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of (A) h/4 (B) h/3 (C) h/2 (D) 2h/3
Description : The coefficients of permeability of soils of an unconfined aquifer and another confined aquifer were determined by pumping water from the wells and observing the effect of water table in two test wells at equal distances was found to be equal. ... (B) H = h1 - h2 (C) H = h2 + h1 (D) ½ (h1 + h2)
Description : The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (A) (2/3) Cd × b × gH) (B) (2/3) Cd × b × g) × H (C) (2/3) Cd × b × g) × H 3/2 (D) (2/3) Cd × b × g) × H
Description : The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) (A) 0.855 a. gH) (B) 1.855 aH. g) (C) 1.585 a. gH) (D) 5.85 aH. g)
Description : The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of ... 2g [H1 2 - Ha 2 ] (D) (2/3) Cd L. 2g [H1 5/2 - Ha 5/2]
Description : The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) (A) wH/2 (B) wH (C) wH2 /2 (D) wH2 /4