Description : Seepage through foundation in an earthen dam is controlled by providing (A) Rock toe (B) Horizontal blanket (C) Impervious cut off (D) Chimney drain
Last Answer : Answer: Option C
Description : For the upstream face of an earthen dam, the most adverse condition for stability of slope is (A) Sudden drawdown (B) Steady seepage (C) During construction (D) Sloughing of slope
Last Answer : Answer: Option A
Description : Differentiate between earthen dam and gravity dam with respect to seepage , foundation , construction and maintenance
Last Answer : Differentiate between earthen dam and gravity dam with respect to seepage , foundation , construction and maintenance
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)
Last Answer : Answer: Option D
Description : The seepage exit gradient in a soil is the ratio of A) Total head to the length of seepage (B) Flow line to slope (C) Head upstream to that at downstream (D) Head loss to the length of the seepage
Description : The uplift pressure on a dam can be controlled by (i) Constructing cut-off under upstream face (ii) Constructing drainage channels between the dam and its foundation (iii) By pressure grouting in foundation The correct answer is ... ) and (ii) (C) Both (i) and (iii) (D) (i), (ii) and (iii)
Description : Which of the following spillways is least suitable for an earthen dam? (A) Ogee spillway (B) Chute spillway (C) Side channel spillway (D) Shaft spillway
Description : Tamilnadu coastal belt has drinking water shortage due to: (A) high evaporation (B) sea water flooding due to tsunami (C) over exploitation of ground water by tube wells (D) seepage of sea water
Last Answer : Answer: D With increasing exploitation of ground water, seepage of seawater into the earth takes place, reducing sea water level. Coastal environment plays a vital role in nation's economy by virtue ... coastal length of India and stretches along the Bay of Bengal, Indian Ocean and Arabian Sea.
Description : Identify the method of recharging groundwater aquifers. (a) Bore wells (b) Recharge trenches (c) Percolation pits. (d) Recharge trenches.
Last Answer : (c) Percolation pits.
Description : Pick up the incorrect statement from the following: (A) Tresguet did not provide the top camber for the drainage of surface water (B) Tresguet provided the top camber for the drainage of surface ... (D) Macadam provided a camber to the formation at the dug-up state, to drain percolated water
Description : Pick up the correct statement from the following: (A) In a gully trap, a water seal of 6 to 7.5 cm is provided (B) The gully trap collects waste water from the kitchen, sink, wash basins ... the sullage drain from the main drainage system (D) The grating provided over gully traps is 23 cm square
Last Answer : (B) The gully trap collects waste water from the kitchen, sink, wash basins, etc.
Description : Name the longest earthen dam of the World. a) Hirakud Dam b) Singur Dam c) Indravati Dam d) Mettur Dam
Last Answer : a) Hirakud Dam
Description : Explain with neat sketch Phreatic line in earthen dam with pressure head at different point and show construction points of this line.
Last Answer : Procedure for locating the Phreatic line i) Draw an earthen dam having upstream face AB with water surface. ii) On water surface measure distance BC = 0.3 L C is starting pt of base parabola. Let F' ... parabola i.e. Phreatic line. viii) Here G,Q1,Q2,Q3,Q4 and B represent Phreatic line
Description : Explain phreatic line in earthen dam with a sketch.
Last Answer : Phreatic line in earthen dam1.The line in earthen dam section below which there is positive hydrostatic pressure exists. Phreatic line separates the dry and wet part of earthen dam body as it acts as boundry ... toe material. Hence, a rock toe is necessary to avoid removal of toe portion of dam.
Description : Draw a labelled sketch of Earthen dam
Last Answer : Earthen dam
Description : The uplift pressure on the face of a drainage gallery in a dam is taken as (A) Hydrostatic pressure at toe (B) Average of hydrostatic pressure at toe and heel (C) Two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel (D) None of the above
Description : For a 6.6 m wide two lane pavement, berms are provided on either side having a width of (A) 1.00 m (B) 1.25 m (C) 1.50 m (D) 1.75 m
Description : The width of the right of way, is influenced by (A) Formation width (B) Shoulders or berms (C) Classification of road (D) All the above
Description : Excessive camber on pavements may cause (A) Deterioration of central portion (B) Slip of the speedy vehicles towards the edges (C) Erosion of the berms (D) All the above
Description : Pick up the correct statement from the following: (A) If the bed level is above N.S.L. the canal is called fully in baking and the berms are designed as 3 d where d is full supply depth of water ... and partly in filling and berms are designed as 2d where d is full supply depth (D) All the above
Last Answer : (D) All the above
Description : Dams are designed to reduce flooding by ____________. a) Protecting river banks from erosion b) Providing storage for flood water c) Increasing the downstream velocity of flood water ‘ d) Trapping sediment behind the dam so it can't be deposited downstream
Last Answer : b) Providing storage for flood water
Description : Dams are designed to reduce flooding by _______________. a) Protecting river banks from erosion b) Providing storage for flood water c) Increasing the downstream velocity of flood water d) Trapping sediment behind the dam so it can't be deposited downstream
Description : The quantity of seepage of water through soils is proportional to (A) Coefficient of permeability of soil (B) Total head loss through the soil (C) Neither (a) nor (b) (D) Both (a) and (b)
Description : During seepage through a soil, direction of seepage is always (A) Parallel to equipotential lines (B) Perpendicular to stream lines (C) Perpendicular to equipotential lines (D) None of these
Description : The direct shear test suffers from the following disadvantage: (A) Drain condition cannot be controlled (B) Pore water pressure cannot be measured (C) Shear stress on the failure plane is not uniform (D) The area under the shear and vertical loads does not remain constant throughout the test
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
Description : Most suitable material for highway embankments is (A) Granular soil (B) Organic soil (C) Silts (D) Clays
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 heavy embankments and dams, of height h, the depth of exploration of soil should not be less than (A) h/4 (B) 1/2 h (C) h (D) 2
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 : Does anyone know if Obama is allowing BP to drill relief wells to stop the Gulf oil spill?
Last Answer : Yes, two of them.
Description : Pick up the correct statement in case of water supply. (A) Pipes laid in trenches and pipes fixed to walls are measured separately (B) Cutting through walls and floors are included with the item (C) Pipes are classified according to their sizes and quality (D) All the above
Description : What is function of Oil reservoir,Pressure relief valve, Direction control valve and filters in Hydraulic system.
Last Answer : (i) Oil Reservoir - To store the Hydraulic oil for the circuit (ii) Pressure Relief Valve- To release the extra pressure whenever not required by system (iii) Direction Control Valve- To ... (iv) Filters- To filter the foreign particle from the oil and to separates submicron level contamination
Description : Darcy's law is applicable to seepage if a soil is (A) Homogeneous (B) Isotropic (C) Incompressible (D) All the above
Description : The critical exist gradient of seepage water in soils, is (A) Directly proportional to the voids ratio (B) Inversely proportional to the specific gravity (C) Directly proportional to the specific gravity (D) None of these
Last Answer : (D) None of these
Description : Flow net is used for the determination of (A) Quantity of seepage (B) Hydrostatic pressure (C) Seepage pressure (D) All the above
Description : A critical hydraulic gradient may occur when (A) Flow is in upward direction (B) Seepage pressure is in upward direction (C) Effective pressure is zero (D) All the above
Description : The critical exist gradient of seepage water in soils, increases with (A) An increase in specific gravity (B) A decrease in specific gravity (C) A decrease in void ratio (D) Both (a) and (c)
Description : When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. ... known (A) Quick condition (B) Boiling condition (C) Quick sand (D) All the above
Description : A flow net may be utilised for the determination of (A) Exit gradient (B) Seepage (C) Hydrostatic pressure (D) All the above
Description : The seepage force in a soil, is (A) Perpendicular to the equipotential lines (B) Proportional to the exit gradient (C) Proportional to the head loss (D) All the above
Description : The external load per unit length of (A) A pipe laid on, or projecting above the undisturbed ground and covered with fills, is proportional to the square of the external diameter of the pipe ... fills, is proportional to the square of the width of the trench (D) All the above
Description : Pick up the correct statement from the following: (A) The earth work of cutting in trenches or borrow pits in fairly uniform ground is measured with the help of average depths of the dead men (B) ... a nor b is feasible, are measured from the fillings after deduction of voids (D) All the above
Description : The rate of payment is made for 100 cu m (per % cu m) in case of (A) Earth work in excavation (B) Rock cutting (C) Excavation in trenches for foundation (D) All the above
Description : Pick up the incorrect statement from the following: (A) The function of foundation is to distribute the load of super structure over a large bearing area (B) No timbering is required for shallow ... can be constructed on made-up soil (D) Black cotton soil is very good for foundation bed
Description : The Provision and Management of a controlled library containing all the configurations items is called as a) Configuration Control b) Status Accounting c) Configuration Identification d) Configuration Identification
Last Answer : The provision and management of a controlled library containing all the configuration items is called Configuration Management. Configuration Management is the process of identifying, organizing, and ... Verification and Audit (ensuring that the configuration items are complete and accurate).
Description : When the surgeon performs an appendectomy, the nurse recognizes that the surgical category will be identified as a) clean contaminated. Clean-contaminated cases are those with a potential, limited ... with foreign bodies, fecal contamination, or purulent drainage would be considered a dirty case.
Last Answer : a) clean contaminated. Clean-contaminated cases are those with a potential, limited source for infection, the exposure to which, to a large extent, can be controlled.
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 : Pick up the correct statement from the following: (A) The cross fall of the shoulder should be at least 0.5% steeper than camber (B) On super-elevated sections, the shoulders should be provided a ... equal to camber (C) Earthen roads in general are provided steepest cross-fall (D) All the above
Description : Sewer pipes are made of (A) Earthen ware (B) Stone ware (C) Refractory clay (D) All the above
Last Answer : Answer: Option B