Water Resources Engineering and Hydrology (3160610) MCQs

MCQs of Ground water

Showing 11 to 20 out of 56 Questions
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11.

Specific capacity of well is the 

(a)

Volume of water that can be extracted by the force of gravity from a unit volume of aquifer
(b)

Discharge per unit drawdown of the well
(c)

Drawdown per unit discharge of the well
(d)

Rate of flow through a unit width and entire thickness of aquifer
Answer:

Option (b)

12.

Statement 1 The available Yield of tube well can be doubled by doubling the diameter of the well.

Statement 2 The yield of a tubewell varies inversly with logarith of the reciprocal of the diameter of the well.

(a)

Statement 1 and 2 both are correct
(b)

1 is correct 2 is incorrect
(c)

1 is incorrect and 2 is correct
(d)

1 and 2 both are incorrect
Answer:

Option (c)

13.

List -1                                List -2 

A.Theim's equation           1. is based on energy conservation principle

B.Dupit's asumption          2. is based on mass conservation principle 

C. Bernoulli's Equation       3. is applicable to steady flow towards a well in confined aquifer

D. Continuity Equation       4. is applicable to steady flow in an unconfined aquifer

 

(a)

A-4 B-3 C-2 D-1
(b)

A-3 B-4 C-2 D-1
(c)

A-4 B-3 C-2 D-1
(d)

A-3 B-4 C-1 D-2
Answer:

Option (d)

14.

The performance of well is measured by its

(a)

Specific Capacity
(b)

Specific Yield
(c)

Storage Coefficient
(d)

Permeability coefficient
Answer:

Option (a)

15.

A well development

1. involves reversal of flow through the well screen

2. increases permeability towards the well

3. decreases permeability towards the well

4. is continued till sand/silt free wqater is pumped

which of the following statement is correct?

(a)

1,3, and 4
(b)

1,2, and 4
(c)

3 only
(d)

1 and 4
Answer:

Option (b)

16.

which of the following defines correctly to aquiclude

(a)

a saturated formation of earth material which not only stores water but also yieds it in suffficient quantity
(b)

A formation through which only seeepage is possible and thus the yield is insignificant compared to an aquifer
(c)

A geological formation which is neither porous nor permeable
(d)

A geological formation which is impermeable to the flow of water
Answer:

Option (d)

17.

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
Answer:

Option (d)

18.

 Energy is required in the utilisation of 

(a)

 groundwater
(b)

surface water
(c)

both groundwater and surface water
(d)

capillary water
Answer:

Option (a)

19.

Which of the following property of geological formation represents its water storage capacity?

(a)

Permeability
(b)

Porosity
(c)

Both permeability and porosity
(d)

Transmissibility
Answer:

Option (b)

20.

 The zone of aeration in a groundwater profile does not include

(a)

capillary zone
(b)

soil water zone
(c)

intermediate zone
(d)

saturation zone
Answer:

Option (d)

Showing 11 to 20 out of 56 Questions
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