Pick up the correct statement from the following: (A) A confined bed of impervious material laid over an aquifer, is known as an aquiclude (B) The top most water bearing strata having no aquifer, is known as non-artesian aquifer (C) The ordinary gravity wells which supply water from the top most water bearing strata, are called water table wells (D) All the above

Pick up the correct statement from the following:
(A) A confined bed of impervious material laid over an aquifer, is known as an aquiclude
(B) The top most water bearing strata having no aquifer, is known as non-artesian aquifer
(C) The ordinary gravity wells which supply water from the top most water bearing strata, are
called water table wells
(D) All the above
by

1 Answer

Answer :

Answer: Option D
by

Related questions

An aquiclude is (A) A non artesian aquifer (B) An artesian aquifer (C) A confined bed of impervious material between aquifers (D) A large water body underground

Description : An aquiclude is (A) A non artesian aquifer (B) An artesian aquifer (C) A confined bed of impervious material between aquifers (D) A large water body underground

Last Answer : (C) A confined bed of impervious material between aquifers

An earth formation which, although porous and capable of absorbing water does not provide an appreciable supply to wells, is known as (A) Aquifer (B) Aquiclude (C) Aquifuge (D) None of these

Description : An earth formation which, although porous and capable of absorbing water does not provide an  appreciable supply to wells, is known as  (A) Aquifer  (B) Aquiclude  (C) Aquifuge  (D) None of these 

Last Answer : (B) Aquiclude 

Pick up the correct statement from the following: (A) Perched aquifer is found in unconfined aquifer (B) The top surface of the water held in the perched aquifer, is known as perched water table (C) Perched aquifer is formed in unfined acquirer if an impervious layer exists (D) All the above

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Last Answer : Answer: Option D

The surface joining the static levels in several non-pumping wells penetrating a continuous confined aquifer represents (a) Water-table surface (b) Capillary fringe (c) Piezometric surface of the aquifer (d) Physical top surface of the aquifer

Description : The surface joining the static levels in several non-pumping wells penetrating a continuous confined aquifer represents (a) Water-table surface (b) Capillary fringe (c) Piezometric surface of the aquifer (d) Physical top surface of the aquifer

Last Answer : (c) Piezometric surface of the aquifer

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. The total height of confined aquifer H is given by (A) H = h2 - h1 (B) H = h1 - h2 (C) H = h2 + h1 (D) ½ (h1 + h2)

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Last Answer : Answer: Option D

In an artesian aquifer, the draw downs in two observation wells at distances 100 m, and 200 m were found same after one hour and x hours respectively. The value of x, is (A) 2 hours (B) 4 hours (C) 9 hours (D) 16 hours

Description : In an artesian aquifer, the draw downs in two observation wells at distances 100 m, and 200 m  were found same after one hour and x hours respectively. The value of x, is  (A) 2 hours  (B) 4 hours  (C) 9 hours  (D) 16 hours 

Last Answer : (B) 4 hours

The principal aquifer of the artesian wells of Florida is a: w) porous sandstone x) fissured limestone y) series of clay beds z) mass of pumice

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Last Answer : ANSWER: X -- FISSURED LIMESTONE

Two observation wells penetrating into a confined aquifer are located 1500 m apart in the direction of flow. Heads of 50 m and 25 m are indicated at these two observation wells. If the coefficient of permeability for the aquifer is 30 m/day and its porosity is 0.25, the time of travel of an inert tracer from one well to another is (a) 75 days (b) 750 days (c) 1200 days (d) 3000 days

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Last Answer : (b) 750 days

Ground water from artesian wells (A) Contains no suspended materials (B) Contains dissolved salts (C) May be saltish and hard (D) All the above

Description : Ground water from artesian wells (A) Contains no suspended materials (B) Contains dissolved salts (C) May be saltish and hard (D) All the above

Last Answer : (D) All the above

The aquifer of a famous artesian formation in the Great Plains is a layer of rock called the: w) Clinton limestone x) Dakota sandstone y) Pierre shale z) Vermont marble

Description : The aquifer of a famous artesian formation in the Great Plains is a layer of rock called the: w) Clinton limestone x) Dakota sandstone y) Pierre shale z) Vermont marble

Last Answer : ANSWER: X -- DAKOTA SANDSTONE

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

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Last Answer : (D) All the above

Pick up the correct statement from the following: (A) D.P.C. should be continuous (B) D.P.C. should be of good impervious material (C) D.P.C. may be horizontal or vertical (D) All the above

Description : Pick up the correct statement from the following: (A) D.P.C. should be continuous (B) D.P.C. should be of good impervious material (C) D.P.C. may be horizontal or vertical (D) All the above

Last Answer : Option D

Pick up the correct statement from the following: (A) A pile is a slender member which transfers the load through its lower end on a strong strata (B) A pile is a slender member which transfers its load to the surrounding soil (C) A pile is a slender member which transfers its load by friction (D) A pile is a cylindrical body of concrete which transfers the load at a depth greater than its width

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Last Answer : Answer: Option B

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 trenches (C) Shallow foundations can be constructed on made-up soil (D) Black cotton soil is very good for foundation bed

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Last Answer : Answer: Option D

For constructing a terrazzo floor, Pick up the incorrect statement from the following: (A) A base course is prepared as in cement concrete flooring (B) A 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling (C) Glass strips are driven into the layer according to the pattern required (D) After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material

Description : For constructing a terrazzo floor, Pick up the incorrect statement from the following: (A) A base course is prepared as in cement concrete flooring (B) A 32 mm thick layer of cement concrete ... final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material

Last Answer : Answer: Option B

Pick up the incorrect statement from the following: (A) The rate of flow of water through a unit cross-sectional area under a unit hydraulic gradient, is called coefficient of permeability (B) The rate of flow of water through a vertical strip of the aquifer of unit width and full depth under a unit hydraulic gradient, is called coefficient of transmissibility (C) The flow of water through aquifers, is governed by the Darcy's law (D) The term 'transmissibility' was introduced by Meinzer

Description : Pick up the incorrect statement from the following: (A) The rate of flow of water through a unit cross-sectional area under a unit hydraulic gradient, is called coefficient of permeability (B) ... aquifers, is governed by the Darcy's law (D) The term 'transmissibility' was introduced by Meinzer

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Continuous flow of water can be expected from (A) Gravity springs (B) Surface springs (C) Artesian springs (D) None of these

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Pick up the correct statement from the following: A. The water supply pipes carry pure water free from solid particles B. The water supply pipes get clogged if flow velocity is less than self cleansing velocity C. The sewers may be carried up and down the hills and valleys D. The sewer pipes are generally laid along level hills

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Last Answer : ANS: A

Higher yield may be expected from (A) Gravity springs (B) Surface springs (C) Artesian springs (D) All the above

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Last Answer : (C) Artesian springs

Pick up the correct statement from the following: (A) The volume of underground water extracted by gravity drainage from a saturated soil, is known as yield (B) The ratio of volume drained to the total volume of material drained, is known as specific yield (C) The sum of specific yield and specific retention, is equal to porosity (D) All the above

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The well through which water comes out through hydraulic pressure is called – (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

Description : The well through which water comes out through hydraulic pressure is called – (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

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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 (F.S.D.) (B) Area of canal in cutting = BD + Sd 2 where B = bed width, d = depth of cutting and S is the side slope (C) If F.S.L. is above N.S.L the canal is called partly in cutting and partly in filling and berms are designed as 2d where d is full supply depth (D) All the above

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Pick up the correct statement from the following: (A) The operation of removing material from the sea or river bed is known as (B) Dredging (C) Digging (D) None of these

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Pick up the incorrect statement from the following: (A) The width of the wall is constructed thicker at the base in a stepped fashion (B) A long vertical load transferring concrete structure is called a concrete pile (C) In pile which transfers the load to the soil by the friction between the pile and the surrounding soil is called friction pile (D) The pile which transfers the load to a hard rock bed at certain depth is called load bearing

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Last Answer : Answer: Option D

Perched aquifers generally occur (A) Below water table (B) Above water table (C) In aquicludes (D) In artesian aquifers

Description : Perched aquifers generally occur (A) Below water table (B) Above water table (C) In aquicludes (D) In artesian aquifers

Last Answer : (B) Above water table

Pick up the correct statement from the following: (A) Air lift pumps are generally used for pumping water from deep wells (B) Jet pumps are generally used for pumping water from small wells (C) The hydraulic ram works on the principle of water hammer (D) All the above

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Pick up the incorrect statement regarding a master trap from the following: (A) It is provided in between the lower end of the house drain and the street sewer (B) It is provided a cleaning eye at the top of the trap (C) The mica flap valve which opens inwards only, is fitted at the top of the inlet pipe (D) The water seal is less than that of ordinary traps

Description : Pick up the incorrect statement regarding a master trap from the following: (A) It is provided in between the lower end of the house drain and the street sewer (B) It is provided a cleaning eye at the ... fitted at the top of the inlet pipe (D) The water seal is less than that of ordinary traps

Last Answer : (D) The water seal is less than that of ordinary traps

Pick up the correct statement from the following: (A) The heating of a material to redness in contact with air, is known as calcination (B) The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting (C) The product that remains after calcination of limestone, is called lime (D) All the above

Description : Pick up the correct statement from the following: (A) The heating of a material to redness in contact with air, is known as calcination (B) The property of lime by which it sets or hardens in ... (C) The product that remains after calcination of limestone, is called lime (D) All the above

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A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is lowered by 1.0 m. The transmissibility of the aquifer, is (A) 1.185 m2 /minute(B) 1.285 m2/minute (C) 1.385 m2/minute (D) 1.485 m2/minute

Description : A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is ... 1.185 m2 /minute (B) 1.285 m2 /minute (C) 1.385 m2 /minute (D) 1.485 m2 /minute

Last Answer : Answer: Option C

Pick up the correct statement from the following regarding the pressure conduits: (A) Pressure conduits are permitted to run ¾th full (B) Pressure conduits are always laid along down grades (C) The hydraulic gradient line always coincides the invert of the conduit (D) None of these

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Last Answer : (D) None of these

Steel pipe are (A) Suitable for withstanding high internal pressure (B) Connected by riveted or welded joints (C) Generally laid underground and no expansion joint is required (D) Likely to last 100 years under ordinary conditions

Description : Steel pipe are  (A) Suitable for withstanding high internal pressure  (B) Connected by riveted or welded joints  (C) Generally laid underground and no expansion joint is required  (D) Likely to last 100 years under ordinary conditions 

Last Answer : (D) Likely to last 100 years under ordinary conditions 

Pick up the incorrect statement from the following: (A) In Flemish bond, headers and stretchers are laid alternately in the same course (B) In Flemish bond every header in each course lies centrally over every stretcher of the underlying course (C) In English bond, stretchers are laid in every course (D) In English bond, headers and stretchers are laid in alternate courses

Description : Pick up the incorrect statement from the following: (A) In Flemish bond, headers and stretchers are laid alternately in the same course (B) In Flemish bond every header in each course lies ... laid in every course (D) In English bond, headers and stretchers are laid in alternate courses

Last Answer : Answer: Option C

A strainer type well sunk through three previous layers intervened by three impervious aquicludes, draws water from (A) Top most pervious layer (B) Central pervious layer (C) Lowest pervious layer (D) All the pervious layer

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Last Answer : (D) All the pervious layers

Pick up the incorrect statement from the following. The underground sources of water, is from (A) Wells (B) Springs (C) Infiltration wells (D) Storage reservoirs

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Last Answer : (D) Storage reservoirs

Pick up the correct statement from the following: (A) The maximum size of a coarse aggregate, is 75 mm and minimum 4.75 mm (B) The maximum size of the fine aggregate, is 4.75 mm and minimum 0.075 mm (C) The material having particles of size varying from 0.06 mm to 0.002 mm, is known as silt (D) All the ab

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Last Answer : Answer: Option D

The most suitable material for the central impervious core of a zoned embankment type dam is (A) Clay (B) Coarse sand (C) Silty clay (D) Clay mixed with fine sand

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For different layers of cement concrete floor. Pick up the incorrect statement from the following: (A) The lowest layer consists of consolidated ground (B) A 10 cm thick clean sand is laid on consolidated ground (C) A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand (D) A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer

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Last Answer : Option D

Pick up the incorrect statement from the following: (A) The flow in strainer type wells is radial (B) The flow in cavity type wells in spherical(C) In strainer type wells, area of flow depends upon the length of the strainer pipe (D) In cavity type wells, area of flow depends upon the size of the cavity

Description : Pick up the incorrect statement from the following:  (A) The flow in strainer type wells is radial  (B) The flow in cavity type wells in spherical  (C) In strainer type wells, area of flow ... pipe  (D) In cavity type wells, area of flow depends upon the size of the cavity 

Last Answer : (C) In strainer type wells, area of flow depends upon the length of the strainer pipe 

A well is sunk in an unconfined aquifer having a saturated depth of 100 m. Assuming the equilibrium flow conditions and a homogeneous aquifer and radius of influence to be same, the ratio of discharges at 20 m and 40 m draw downs, is (A) 2/3 (B) 5/4 (C) 4/5 (D) 8/7

Description : A well is sunk in an unconfined aquifer having a saturated depth of 100 m. Assuming the equilibrium flow conditions and a homogeneous aquifer and radius of influence to be same, the ratio of discharges at 20 m and 40 m draw downs, is (A) 2/3 (B) 5/4 (C) 4/5 (D) 8/7

Last Answer : Answer: Option D

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 the dam (C) Deposition of sediment in the reservoir, reduces the capacity of the reservoir (D) All the above

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Last Answer : (D) All the above 

Coating of solid waste with impervious material is known as – (1) Encapsulation (2) Chemical fixation (3) Landfill (4) Capping

Description : Coating of solid waste with impervious material is known as – (1) Encapsulation (2) Chemical fixation (3) Landfill (4) Capping

Last Answer : (1) Encapsulation Explanation: Containment of toxic or hazardous constituents in industrial solid wastes is currently being accomplished using: (i) coating grains of waste material with an ... coating blocks of waste material with an inert, non-reactive impervious material (macroencapsulation).

Coating of solid waste with impervious material is known as (1) Encapsulation (2) Chemical fixation (3) Landfill (4) Capping

Description : Coating of solid waste with impervious material is known as (1) Encapsulation (2) Chemical fixation (3) Landfill (4) Capping

Last Answer : Encapsulation

Pick up the correct statement from the following: (A) It is difficult to eliminate an error completely at first trial (B) Instability of the instrument makes it almost impossible to adjust it satisfactorily (C) Adjustment screws must be left bearing firmly but should never be forced (D) All the above

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Last Answer : (D) All the above

Pick up the correct statement from the following: (A) The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement (B) The safe bearing capacity of a pile is obtained by dividing the ultimate bearing capacity with a suitable factor of safety (C) The factor of safety for piles is taken as 6 (D) All the above

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Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) If ground water enters the channel, the channel is known as effluent channel (B) If water goes out of channel to meet ground water, the channel is said to be influent stream (C) If the water table is at higher level than the water level in channel, ground water flows to the stream (D) All the above

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Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) In the earth's magnetic field, a magnetic needle rests in magnetic meridian (B) The angle between the true meridian and the magnetic meridian is called magnetic variation (C) One end of the magnetic needle supported at its centre of gravity tends to dip down towards the nearer magnetic pole of the earth (D) All the above

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Last Answer : (D) All the above

Nehru called these “temples of modern India”.(a) Tube wells. above. Ans: B (b) Multipurpose Dams. (c) Ordinary wells. (d) None of the

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Last Answer : (b) Multipurpose Dams

Surface water is obtained from (A) Well (B) Springs (C) Artesian well (D) Rain

Description : Surface water is obtained from (A) Well (B) Springs (C) Artesian well (D) Rain

Last Answer : (D) Rain