M.Sc. (Semester II) (CBCS) Examination Nov/Dec-2018
Applied Geology
HYDROGEOLOGY
Time: 2½ Hours Max. Marks: 70
Instructions: Answer any five questions.
All questions carry equal marks.
Question No. 1 is compulsory.
Answer any two questions from Q.No.2, 3 4
Answer any two questions Q.No.5, 6 7.
Draw neat and labeled diagrams wherever necessary.
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
An surface of water is an artesian well coinciding with the hydrostatic pressure
level of the water in the confined aquifer is known as
Water table Pheatic surface
Piezometric surface Free surface
Which of the following has highest specific yield
Lime stone Sand tone
Clay Gravel
A well through which water is added to an aquifer is called
Discharge well Pumping well
Qantas Recharging well
Darcy's law is
The discharge is inversely proportion to head loss
The discharge is inversely proportion to head loss and directly proportional
to the length
The discharge is directly proportional to head loss ad inversely proportional
to area of flow and to the length of the path
To discharge is directly proportional to head; loss and area of flow and
inversely proportional to the length of the path
Zone of saturation is also known as
Vadose zone Capillary zone
Phreatic zone Aeration zone
What is formed when water is removed from a well?
Cone of depression Cone of discharge
Zone of aeration Zone of saturation
Which one of these is NOT a source of sufficient water supply but can transmit
certain quantity of water on a regional scale due to leakage
Aquifer Aquitard
Aquiclude Aquifuge
Dimension of hydraulic conductivity is
LT-2 L3T-1
ML-3 LT-1
Page 2 of 2
SLR-VB-32
The relation between fresh and saline water given by Ghyben- Herzberg is

Z hf Z 40hf
Hf 40 z Hf/Z 40
10) Organic matter load in water is determined by value.
BOD COD
Ph Eh
11) At all points on the watertable the pressure is
Hydrostatic
Atmospheric
Combination of hydrostatic and atmospheric
Capillary
12) Porosity is
Equal to the specific retention
Equal to the specific yield
Equal to the sum of the specific retention and specific yield
Less than the specific yield
13) Insulated streams are those streams which
Contribute water to the groundwater
Gain water from the groundwater sources
Neither loss water nor gain water from groundwater sources
None of these
14) In which configuration the spacing between electrode is kept equal
Wenner
Schulumberger
Both Wenner and Schulumberger
None of these
Q.2 Define the hydraulic conductivity. Explain the methods of determination of
hydraulic conductivity
14
Q.3 Discuss the sea water intrusion in coastal aquifers. Give Ghyben-Herzberg
relation.
14
Q.4 Give a detailed account of groundwater provinces in India. 14
Q.5 Write short answer on 14
Type of aquifer
Specify yield and specific retention
Q.6 Explain in short:-
Surface investigation techniques for groundwater exploration.
Hydrological cycle
14
Q.7 Write note on
Types of well.
Types of openings in the rocks.