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
(A) Only (i)
(B) Both (i) and (ii)
(C) Both (i) and (iii)
(D) (i), (ii) and (iii)

1 Answer

Answer :

Answer: Option D

Related questions

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

Last Answer : Answer: Option C

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 : The major resisting force in a gravity dam is (A) Water pressure (B) Wave pressure (C) Self-weight of dam (D) Uplift pressure

Last Answer : Answer: Option 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

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 : The bearing capacity of a water logged soil, may be improved by (A) Grouting (B) Chemical action (C) Drainage (D) Compaction

Last Answer : Answer: Option C

Description : A concrete dam 15 m deep and 2 m wide containing water to a depth of 10 m .Find total hydrostatic pressure per meter run and centre of pressure on upstream face.

Last Answer : A concrete dam 15 m deep and 2 m wide containing water to a depth of 10 m .Find total hydrostatic pressure per meter run and centre of pressure on upstream face.

Description : The bearing capacity of a water logged soil can be improved by (A) Compacting the soil (B) Draining the soil (C) Increasing the depth of foundation (D) Grouting

Last Answer : Option B

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

Last Answer : (D) All the above

Description : Presence of tail water in a gravity dam (i) Increases the principal stress (ii) Decreases the principal stress (iii) Increases the shear stress (iv) Decreases the shear stress The correct answer is A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)

Last Answer : Answer: Option D

Description : In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on (i) Bottom face near counterfort (ii) Top face near counterfort (iii) Bottom face near centre of span (iv) Top ... ) (B) Only (ii) (C) Both (i) and (iv) (D) Both (ii) and (iii)

Last Answer : Answer: Option C

Description : __________ is used for tying the steel columns to concrete foundation. (A) Grouting (B) Eyebolt (C) Anchor bolts (D) Refractory castables

Last Answer : C) Anchor bolts

Description : The main reinforcement in the toe of a T-shaped R C. retaining wall is provided on (i) Top face parallel to the wall (ii) Top face perpendicular to the wall (iii) Bottom face parallel to the wall (iv) ... (i) and (ii) are correct (C) (iii) and (iv) are correct (D) Only (iv) is correct

Last Answer : Answer: Option D

Description : Why do people oppose the construction of Tehri Dam on the river Ganga and Sardar sarover project on the river Narmada. (Or) Mention three disadvantage of producing hydroelectricity by ... construction of dams for production of electricity adversely affects the environment of that place. -Biology

Last Answer : Answer. Large area is required to build the dam that result rehabilitation of displaced people.Large eco-systems are destroyed when submerged under the water in dams.The vegetation which is submerged rots ... and gives rise to large amounts of methane gas which leads to a green-house effect.

Description : What is the difference between Dam and Barrage? What benefits are obtained by constructing a big dam?

Last Answer : Ans:A dam is a storage of water, while a barrage is made to increase the water depth. Benefits of Dams: Leverage to agriculture, by making use of the rain water also. Ensures regulated flow in ... a big dam. By the constructoin of big dams, we get an employment channel for our talented Pakistanis.

Description : In a counterfort retaining wall, the main reinforcement is provided on the (i) Bottom face in front counterfort (ii) Inclined face in front counterfort (iii) Bottom face in back counterfort (iv) Inclined face in back counterfort ... (B) (ii) and (iii) (C) (i) and (iv) (D) (iii) and (iv)

Last Answer : Answer: Option C

Description : The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called (A) Up-thrust (B) Reaction (C) Buoyancy (D) Metacentre

Last Answer : Answer: Option C

Description : For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If co-efficiency of permeability of the dam material is ... 24 10-3 m3 /sec (C) 6 10-5 m3 /sec (D) 24 10-5 m3 /sec

Last Answer : (D) 24 × 10-5 m3 /sec

Description : Pick up the correct statement from the following: (A) The permeability of the coarse-grained soils may be reduced by grouting (B) The process of injecting fluids (i.e. grouts) into the pores space of the soil is called grouting (C) The grouting increases the soil strength (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following:  (A) Large solids carried along the river bed, is known as bed load  (B) The fine sediment deposits are generally near the face of ... ) Deposition of sediment in the reservoir, reduces the capacity of the reservoir  (D) All the above 

Last Answer : (D) All the above 

Description : Reena's father works with a company that builds dams. Once he took her to the site where a dam was being built. Reena saw a group of people sitting there and shouting slogans against the ... the peaceful resolution of the conflict proved to boon for many citizens of the country. How? -Biology

Last Answer : (i) Because she convinced the people by explaining them the advantage of constructing dam and come with a solution of rehabilitation of displaced peoples. So the contribution to the peaceful resolution of ... (c) Low cost of production of electricity gives monetary gain which is a boon to citizens.

Description : In cement pressure grouting holes should be drilled at spacing in both direction at a) 150 – 500 mm b) 450 mm c) 500 – 750 mm* d) 1000 mm

Last Answer : c) 500 – 750 mm*

Description : Sandstone is a (i) Sedimentary rock (ii) Aqueous rock (iii) Siliceous rock The correct answer is (A) Only (i) (B) Both (i) and (ii) (C) Both (i) and (iii) (D) All (i), (ii) and (iii)

Last Answer : Answer: Option D

Description : Quick lime is (i) Slow in setting (ii) Rapid in slacking (iii) Good in strength The correct answer is (A) Only (i) (B) Only (ii) (C) Both (i) and (ii) (D) Both (ii) and (

Last Answer : Answer: Option C

Description : Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer is (A) Only (iii) (B) Both (i) and (iii) (C) Both (ii) and (iii) (D) All (i), (ii) and (iii)

Last Answer : Answer: Option B

Description : Consider the following statements. (i) Fender is the cushion provided on the face of the jetty for ships to come in contact, (ii) Slip is the space of water area between two adjacent piers where ships are berthed, ... correct (C) (i) and (iii) are correct (D) (i), (ii) and (iii) are correct

Last Answer : (D) (i), (ii) and (iii) are correct

Description : For shear strength, triaxial shear test is suitable because (A) It can be performed under all three drainage conditions (B) Precise measurement of the pore pressure and volume change during the test is possible (C) Stress distribution on the failure plane, is uniform (D) All the above

Last Answer : (D) All the above

Description : direct shear test possesses the following disadvantage: (A) A relatively thin thickness of sample permits quick drainage (B) A relatively thin thickness of sample permits quick dissipation of pore pressure ... C) As the test progresses the area under shear, gradually changes (D) None of these

Last Answer : Answer: Option C

Description : A triaxial shear test is preferred to direct shear test, because (A) It can be performed under all three drainage conditions with complete control (B) Precise measurement of pore pressure and change in ... possible (C) Stress distribution on the failure plane, is non uniform (D) None of these

Last Answer : Answer: Option A

Description : Pick up the correct statement from the following: (A) Yield of a drainage basin is the run off at any time (B) Yield of a drainage basin is the run off over long periods (C) Yield of a drainage basin is expressed as surface run off per year

Last Answer : Answer: Option B

Description : The fluid generally used for grouting is (A) Cement and water mix (B) Clay suspension (C) Sodium silicate (D) All the above

Last Answer : (D) All the above

Description : The recommended grade of tar for grouting purpose is (A) RT-1 (B) RT-2 (C) RT-3 (D) RT-5

Last Answer : Answer: Option D

Description : The method of moving each brick through a small horizontal distance before it is finally laid in any brick wall and pressing it by means of brick hammer, is known as (A) Trowelling (B) Laying (C) Grouting (D) Placing

Last Answer : Answer: Option B

Description : 12. The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy. A) Agree B) Disagree

Last Answer : A

Description : To determine the discharge at a section in a stream from its rating curve, the required data are (i) Slope of water surface at the section (ii) Stage at the section (ii) Current meter readings at the section The correct ... ) (i) and (ii) (B) (ii) and (iii) (C) Only (ii) (D) Only (iii)

Last Answer : Answer: Option C

Description : In cement pressure grouting G.I pipes of diameter …… and ……length, should be fixed in drilled holes a) 12 to 20 mm, 200 mm* b) 12 to 20 mm, 300 mm c) 12 to 25 mm, 500 mm d) 20 to 25 mm, 300 mm

Last Answer : a) 12 to 20 mm, 200 mm*

Description : In cement pressure grouting, water cement ratio is kept as a) 0.4 to 0.5* b) 0.3 to 0.4 c) 0.25 to 0.35 d) 0.35 to 0.5

Last Answer : a) 0.4 to 0.5*

Description : In Epoxy pressure grouting, pressure is kept as a) 2 to 4 kg./sqcm. b) 3 to 6 kg./sqcm. c) 3 to 10 kg./sqcm. d) 3.5 to 7 kg./sqcm.*

Last Answer : d) 3.5 to 7 kg./sqcm.*

Description : In cement pressure grouting, pressure is kept as a) 2 to 4 kg./sqcm.* b) 3 to 6 kg./sqcm. c) 3 to 10 kg./sqcm. d) 3.5 to 7 kg./sqcm.

Last Answer : a) 2 to 4 kg./sqcm.*

Description : Epoxy pressure grouting is suitable for a) wide and deep crack b) fine and deep crack c) fine but not very deep crack* d) None of the above

Last Answer : c) fine but not very deep crack*

Description : Cement pressure grouting is suitable for a) Very fine crack b) weathered concrete c) Active crack where cause of crack is known and remedial action has been taken* d) Crushed masonry

Last Answer : c) Active crack where cause of crack is known and remedial action has been taken

Description : Repairing by cement pressure grouting can be adopted in case of a) Honey comb concrete b) Hollow masonry, Dormant cracks c) Deep leached mortar joints d) all the above*

Last Answer : d) all the above*

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 : In the cross-section method of indirect contouring, the spacing of cross-sections depends upon (i) Contour interval (ii) Scale of plan (iii) Characteristics of ground The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)

Last Answer : (D) (i), (ii) and (iii)

Description : In the slope deflection equations, the deformations are considered to be caused by (i) Bending moment (ii) Shear force (iii) Axial force The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)

Last Answer : (A) Only (i)

Description : Muller Breslau's principle for obtaining influence lines is applicable to (i) Trusses (ii) Statically determinate beams and frames (iii) Statically indeterminate structures, the material of which is elastic and follows Hooke's law (iv ... B) (i), (ii) and (iv) (C) (i) and (ii) (D) Only (i)

Last Answer : (A) (i), (ii) and (iii)

Description : Variability of rainfall is (i) Largest in regions of high rainfall (ii) Largest in coastal areas (iii) Largest in regions of scanty rainfall The correct answer is (A) Only (i) (B) (i) and (ii) (C) Only (iii) (D) (ii) and (iii)

Last Answer : Answer: Option C

Description : Interception losses are due to (i) Evaporation (ii) Transpiration (iii) Stream flow The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)

Last Answer : Answer: Option A

Description : Shrinkage of concrete depends upon (i) Humidity of atmosphere (ii) Passage of time (iii) Stress The correct answer is (A) (i) and (ii) (B) (ii) and (iii) (C) Only (iii) (D) All (i), (ii) an

Last Answer : Answer: Option A