Applied Geology-Hydrogeology [CSIR (Council of Scientific & Industrial Research) Earth Sciences]: Questions 1 - 4 of 19

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Question 1

Appeared in Year: 2018

Question MCQ▾

If a chemical leak occurs in a coarse sand aquifer with a permeability of 60 miday, a porosity of 30% and a hydraulic gradient of Im per 1000 m, with what speed does the chemical move? (June)

Choices

Choice (4)Response

a.

0.2 cm/day

b.

2 cm/day

c.

0.2 m/day

d.

2 m/day

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Question 2

Appeared in Year: 2018

Question MCQ▾

With reference to water in the hydrologic cycle, its residence time is the maximum in (June)

Choices

Choice (4)Response

a.

groundwater and ice sheets

b.

rivers and ice sheets

c.

atmosphere and rivers

d.

groundwater and soils

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Question 3

Question MCQ▾

If groundwater is pumped from a confined aquifer, what will happen to the intergranular pressure of the aquifer?

Choices

Choice (4)Response

a.

Increases and the pore water pressure of the aquifer increases

b.

Decreases and the pore water pressure of the aquifer decreases

c.

Decreases and the pore water pressure of the aquifer increases

d.

Increases and the pore water pressure of the aquifer decreases

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Question 4

Question MCQ▾

Who gave the theory of infiltration capacity?

Choices

Choice (4)Response

a.

W W Horner

b.

Le-Roy K Shermen

c.

Merrill Bernard

d.

Robert E Horton

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