Hydrology (Earth-science) Model Test Ppaer
Geology Objective Solved Questions
Q.1: Permeability is
usually measured:
a) Perpendicular to the bedding planes.
b) Parallel to the bedding planes.
c) Vertically when beds are horizontal.
d) Diagonal to the bedding planes.
ANSWER: (b)
Q.2: Chiefly the
fracture and joint planes that cut across the bedding planes give rise to:
a) Horizontal permeability.
b) Vertical permeability.
c) Lateral permeability.
d) None of these.
ANSWER: (b)
Q.3: When salinity changes occur in a vertical
profile:
a) The lower portion of the aquifer should be tapped.
b) The upper portion of the aquifer should be tapped.
c) The middle portion of the aquifer should be tapped.
d) The whole aquifer should be tapped.
ANSWER :(b)
Q.4: Which is the
example of Aquifuge?
a) Clay.
b) Sandy clay.
c) Gravel bed.
d) Granite rock.
ANSWER: (d)
Q.5: “Lost
Rivers" are associated with:
a) Volcanic rocks.
b) Limestone terrain.
c) Metamorphic rocks.
d) Sandstone rocks
ANSWER: (b)
Q.6: Artificial porosity and permeability
can be achieved by:
a) Bore Blast Technique.
b) Hydraulic Fracturing.
c) Piston Fracturing.
d) All the above.
ANSWER: (d)
Q.7: The amount of
ground water depends upon the:
a) Effective porosity.
b) Degree of saturation.
c) Temperature.
d) All the above.
ANSWER: (d)
Q.8 : A well
graded material has a :
a) High uniformity coefficient.
b) Moderate uniformity coefficient.
c) Low uniformity coefficient.
d) Very low uniformity coefficient.
ANSWER: (a)
Q.9 : Effective
particle size is the ........ Finer than value:
a) 5 %.
b) 10%.
c) 30 %.
d) 60%.
ANSWER: (b)
Q.10: For an
aquifer, having water table in it the term can be use:
a) Unconfined aquifer.
b) Water table aquifer.
C) Confined aquifer.
d) Both (a) and (b).
ANSWER: (d)
Q.11: The
pressures are........ ........ In unconfined aquifer and ............... in
confined aquifer:
a) Hydrostatic /Atmospheric.
b) Atmospheric/
Hydrostatic.
c) Both are atmospheric
d) Both are hydrostatic.
ANSWER: (b)
Q.12: When groundwater body ls separated
from the main ground water by a relative
Impermeable stratum of small extent, lt, is
called:
a) Unconfined ground water.
b) Confined groundwater.
c) Perched
groundwater.
d) Pressure groundwater.
ANSWER: (c)
Q.13: Recharge
area is:
a) A region supplying water to a confined aquifer.
b) A region supplying water to an unconfined aquifer.
c) A region supplying water to a per chard aquifer.
d) None of these.
ANSWER: (a)
Q.14: When the
piezometric surface at the well site is above the ground level, the resulting
well is:
a) Artesian well.
b) Flowing well.
c) Unconfined well.
d) None of these.
ANSWER: (b)
Q.15: lf the water
table of an unconfined aquifer intersects a surface stream, aquifer contributes
Water the stream
and such streams are known as:
a) Effluent streams.
b) Influent streams.
c) Insulated streams.
ANSWER: (a)
Q.16: Streams
which contribute water to the aquifer is known as:
a) Influent.
b) Effluent.
c) Insulated.
d) None of these.
ANSWER: (a)
Q.17: When a
permeable stratum is overlain for underlain by an Aquitard, then it is known
as:
a) Unconfined aquifer.
b) Confine aquifer.
c) Perched aquifer.
d) Leaky aquifer.
ANSWER: (d)
Q.18: The volume
of water- that an aquifer releases from or takes into storage per unit surface
A of aquifer per
unit drop of water table or piezometric surface, is called:
a) Storage coefficient of storability.
b) Transmissivity.
c) Specific yield.
d) Safe yield.
ANSWER:(a)
Q. 19: The storage
coefficient of a confined aquifer ranges between:
a) 0.001 to 0.01
b) 0.0005 to 0.005
c) 0.00001 to 0.0001
d) 0.00005 to 0.0005.
ANSWER:(d)
Q.20: The
discharge of a spring depends on the:
a) Area contributing recharge to the aquifer.
b) The rate of recharge.
c) Aquifer depth.
d) Both (a) and (b).
ANSWER:(d)
Q.21: An opening
through which only steam and other gases discharge, is known as
a) Fumaroles.
b) Geyser.
c) Crater.
d) Sinkhole.
ANSWER:(a)
Q.22: Permeability of a material is a measure
of:
a) Voids available in the material.
b) Voids and solid particles available in the material.
c) Its capacity to transmit water through its
interstices.
d) Its capacity to retain water in the material.
ANSWER: (c)
Q.23: Mark the
correct statement about permeability:
a) Horizontal
permeability is found to have the main path of ground water flow into the bore
well.
b) Vertical permeability is found to have the main path
of ground water flow into the bore well.
c) Vertical permeability is usually less than the
horizontal permeability. »
d) Both (a) and (b).
ANSWER: (d)
Q.24: Permeability
of the material depends on:
a) Fluid type.
b) Hydraulic gradient.
c) Inter connected pores.
d) All the above.
ANSWER: (d)
Q.25: Which is the example of Aquifuge?
a) Clay.
b) Sandy clay.
c) Gravel bed.
d) Granite rock.
ANSWER: (d)
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