When the pressure of a rock layers pressing on an aquifer from above and below squeezes water up to the earth surface is called an?

When the pressure of a rock layers pressing on an aquifer from above and below squeezes water up to the earth surface is called an?
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If an aquifer is between two layers of impermeable rock layers what is it called?

Description : If an aquifer is between two layers of impermeable rock layers what is it called?

Last Answer : Need answer

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

Earthquake is caused by – (1) disturbance of earth surface (2) adjustment of layers of earth's crust (3) breakage of rock system (4) upliftment of rocks

Description : Earthquake is caused by – (1) disturbance of earth surface (2) adjustment of layers of earth's crust (3) breakage of rock system (4) upliftment of rocks

Last Answer : (1) disturbance of earth surface Explanation: Most earthquakes are minor tremors. Larger earthquakes usually begin with slight tremors but rapidly take the form of one or more violent shocks, and end in ... is called its focus; the point on the surface directly above the focus is the epicenter.

Earthquake is caused by (1) disturbance of earth surface (2) adjustment of layers of earth’s crust (3) breakage of rock system (4) upliftment of rocks

Description : Earthquake is caused by (1) disturbance of earth surface (2) adjustment of layers of earth’s crust (3) breakage of rock system (4) upliftment of rocks 

Last Answer : disturbance of earth surface

With decrease in particle size to be fluidised by a particular fluid, the operating range of fluidisation velocity (A) Widens (B) Squeezes (C) Does not change (D) Unpredictable from the data

Description : With decrease in particle size to be fluidised by a particular fluid, the operating range of fluidisation velocity (A) Widens (B) Squeezes (C) Does not change (D) Unpredictable from the data

Last Answer : (C) Does not change

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

the derivation of Thiem's formula, Q = (S1 - S2)/[2.3 log10( / )] the following assumption is not applicable (A) The aquifer is homogeneous and isotropic (B) Flow lines are radial and horizontal (C) The slope of the water surface is too small (D) The well has been sunk up to the surface of the unconfined aquifer

Description : the derivation of Thiem's formula, Q = (S1 - S2)/[2.3 log10( / )] the following assumption is not applicable (A) The aquifer is homogeneous and isotropic (B) Flow lines are radial and ... the water surface is too small (D) The well has been sunk up to the surface of the unconfined aquifer

Last Answer : Answer: Option D

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

Description : 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

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

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 

Molten rock below the surface of the earth is called – (1) Basalt (2) Laccolith (3) Lava (4) Magma

Description : Molten rock below the surface of the earth is called – (1) Basalt (2) Laccolith (3) Lava (4) Magma

Last Answer : (4) Magma Explanation: Magma is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth. When magma erupts from a volcano or other vent, the ... . When lava cools on the Earth's surface and forms a solid structure, it is called igneous rock.

Molten rock below the surface of the earth is called (1) Basalt (2) Laccolith (3) Lava (4) Magma

Description : Molten rock below the surface of the earth is called (1) Basalt (2) Laccolith (3) Lava (4) Magma

Last Answer : Magma

What type of rock can from deep below earth and surface or above earth and surface?

Description : What type of rock can from deep below earth and surface or above earth and surface?

Last Answer : Feel Free to Answer

What is the Molten rock below the surface of the earth?

Description : What is the Molten rock below the surface of the earth?

Last Answer : Magma

What is the Molten rock below the surface of the earth?

Description : What is the Molten rock below the surface of the earth?

Last Answer : Magma

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

Last Answer : Answer: Option D

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

Description : 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 ... water from the top most water bearing strata, are called water table wells (D) All the above

Last Answer : Answer: Option D

Which one the following is a correct statement? (A) The vertical section of the soil extending into the parent material, is called profile(B) The layers of the soil parallel to the earth surface are called horizons (C) The transitional layer between two adjoining horizons is called boundary (D) All of these

Description : Which one the following is a correct statement? (A) The vertical section of the soil extending into the parent material, is called profile (B) The layers of the soil parallel to the earth ... horizons (C) The transitional layer between two adjoining horizons is called boundary (D) All of these

Last Answer : Answer: Option D

Incorrect statement for co-efficient of friction could be that A. The coefficient of friction is denoted by the Greek letter µ. B. The coefficient of friction is directly proportional to the force of friction C. The coefficient of friction is constant even in the conditions of fast slipping and high contact pressure D. The coefficient of friction is inversely proportional to the force pressing the surfaces together

Description : Incorrect statement for co-efficient of friction could be that A. The coefficient of friction is denoted by the Greek letter µ. B. The coefficient of friction is directly proportional to ... D. The coefficient of friction is inversely proportional to the force pressing the surfaces together

Last Answer : The coefficient of friction is constant even in the conditions of fast slipping and high contact pressure

Ground water is recharged by different aquifers, which of the following is not an aquifer: a. Bore well b. Dug well c. Sprinkler. D. Recharge pit

Description : Ground water is recharged by different aquifers, which of the following is not an aquifer: a. Bore well b. Dug well c. Sprinkler. D. Recharge pit

Last Answer : c. Sprinkler

The activity of collecting water directly into the ground to improve groundwater storage in the aquifer is termed as, A. Watershed development. B. Water Conservation. C. Rainwater harvesting. D. Recharging for the aquification.

Description : The activity of collecting water directly into the ground to improve groundwater storage in the aquifer is termed as, A. Watershed development. B. Water Conservation. C. Rainwater harvesting. D. Recharging for the aquification.

Last Answer : C. Rainwater harvesting.

The area of land where water collects after the rain is termed as: A. Watershed. B. Catchment area. C. Aquifer. D. Percolation area.

Description : The area of land where water collects after the rain is termed as: A. Watershed. B. Catchment area. C. Aquifer. D. Percolation area.

Last Answer : B. Catchment area.

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

If the viscosity of ground water is 1.00, the Slitcher's constant is 400, the effective size of soil particles in aquifer is 0.5 mm and hydraulic gradient is 1 in 80, the velocity of flow is (A) 0.25 m/day (B) 0.50 m/day (C) 1.00 m/day (D) 1.25 m/day

Description : If the viscosity of ground water is 1.00, the Slitcher's constant is 400, the effective size of soil particles in aquifer is 0.5 mm and hydraulic gradient is 1 in 80, the velocity of flow is (A) 0.25 m/day (B) 0.50 m/day (C) 1.00 m/day (D) 1.25 m/day

Last Answer : Answer: Option D

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)

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)

Last Answer : Answer: Option D

Exobiology deals with the study of - (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Description : Exobiology deals with the study of - (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Last Answer : (4) life in other planets and space Explanation: Exobiology is the branch of science that deals with the possibility and likely nature of life on other planets or in space. The primary ... processes leading to the origin evolution and distribution of life on Earth or elsewhere in the universe.

Exobiology deals with the study of : (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Description : Exobiology deals with the study of : (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Last Answer : life in other planets and space

What is water called that fills in cracks and spaces underground soil and rock layers called?

Description : What is water called that fills in cracks and spaces underground soil and rock layers called?

Last Answer : What is the answer ?

What material makes the worst aquifer?

Description : What material makes the worst aquifer?

Last Answer : Need answer

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

Derivation of Thiem's formula Q = 2 (s1 - s2)/2.3 log10 (r2/r1) is based on the assumption (A) The aquifer is homogeneous, isotropic and of infinite depth and area (B) The well is sunk through the full depth of the aquifer (C) The flow lines are radial and horizontal, and the flow is laminar (D) All the above

Description : Derivation of Thiem's formula Q = 2 (s1 - s2)/2.3 log10 (r2/r1) is based on the assumption  (A) The aquifer is homogeneous, isotropic and of infinite depth and area  (B) The well is sunk ... (C) The flow lines are radial and horizontal, and the flow is laminar  (D) All the above 

Last Answer : (D) All the above 

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

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

Description : 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 ... well to another is (a) 75 days (b) 750 days (c) 1200 days (d) 3000 days

Last Answer : (b) 750 days

What is an aquifer? Mention its types.

Description : What is an aquifer? Mention its types.

Last Answer : A layer of highly permeable rock containing water is called an aquifer Types of aquifers 1. Unconfined aquifers 2. 2. Confined aquifer

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

Description : 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

Last Answer : ANSWER: X -- FISSURED LIMESTONE

Is the name given to molten rock below the Earth's surface.?

Description : Is the name given to molten rock below the Earth's surface.?

Last Answer : Magma. Magma rises towards the surface when it's less dense thanrock around it. Otherwise, it collects in magma chambers and cools,forming igneous rock.

What do we call molten hot liquid rock while it is still below the Earth's surface?

Description : What do we call molten hot liquid rock while it is still below the Earth's surface?

Last Answer : fb

Which is the correct answer for this questionThe law of ______states that new rock layers are always deposited on top of existing rock layers.?

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Last Answer : A) crooss-cutting relationshipsB) superpositionC) unconformitiesD) inclusions

What is the breaking or peeling away of rock in layers?

Description : What is the breaking or peeling away of rock in layers?

Last Answer : Need answer

How do scientist use fossils to determine the relative ages of rock layers?

Description : How do scientist use fossils to determine the relative ages of rock layers?

Last Answer : Fossils are usually found in certain layers of sedimentary rock that allow scientist to date when the animal or plant was originally covered by silt, or other sedimentary rock.

What is the bottom layers of sedimentary rock?

Description : What is the bottom layers of sedimentary rock?

Last Answer : The bottom layer of a sedimentary rock is called the basallayer. This layer is considered the coarsest in the rock.

What is a crack across rock layers caused by moving plates?

Description : What is a crack across rock layers caused by moving plates?

Last Answer : FAULT

What characteristics of a fossil would make it useful as an index fossil in determining the relative age of widely separated rock layers?

Description : What characteristics of a fossil would make it useful as an index fossil in determining the relative age of widely separated rock layers?

Last Answer : Feel Free to Answer

What must you examine to relatively date layers of sedimentary rock?

Description : What must you examine to relatively date layers of sedimentary rock?

Last Answer : What is the answer ?

What principle tells us that rock layers separated by a valley are assumed to have once been continuous?

Description : What principle tells us that rock layers separated by a valley are assumed to have once been continuous?

Last Answer : What is the answer ?

What can you conclude about fossil by looking at the layers of rock?

Description : What can you conclude about fossil by looking at the layers of rock?

Last Answer : What is the answer ?

How is the fault younger than three rock layers?

Description : How is the fault younger than three rock layers?

Last Answer : The rock layers that a fault passes through had to have alreadyexisted for them to break and create a fault.This is analogous to the door panel of your car had to havealready existed for it to bend and create a dent.

How do bio zones help scientists identify rock layers across distances?

Description : How do bio zones help scientists identify rock layers across distances?

Last Answer : Need answer

Can someone help me Identify the rock layers from oldest to youngest, Thanks!?

Description : Can someone help me Identify the rock layers from oldest to youngest, Thanks!?

Last Answer : This is the problem,Thanks!

Which one of the following statements is NOT correct? [IAS 2003] (a) Black cotton soil of north-west India was formed by the weathering of basaltic lava rocks (b) Sedimentary rocks are distinguished from other types of rocks by the presence of distinct layers (c) Granite has large crystals of quartz, feldspar and mica in it (d) A metamorphic rock is softer and less compact than its original type

Description : Which one of the following statements is NOT correct? [IAS 2003] (a) Black cotton soil of north-west India was formed by the weathering of basaltic lava rocks (b) Sedimentary rocks are distinguished ... feldspar and mica in it (d) A metamorphic rock is softer and less compact than its original type

Last Answer : Ans: (d)