MCQ Objective Geology for UPSC IFS Exam

MCQ Objective Geology for UPSC IFS Exam
UPSC Exam Questions for IFS geology Subject
Geology MCQ Practice Solved Question Paper For UPSC IFS

Q. 1 : ln cuts and free-standing excavations in clay pore water pressure changes because

of :

(a) Stress increases due to excavation

(b) Stress releases due to excavation.

(c) Prevailing ground water conditions

(d) None of these.

ANSWER:(b)

Q. 2: The strength of the foundation rocks can be improved by:

(a) Grouting

(b) Rock bolting

(c) Cable anchorage

(d) All the above.

ANSWER:(d)

Q. 3: ln the packer method of grouting the grouting is started from:

(a) Top of the hole

(b) Bottom of the hole

(c) Middle of the hole

(d) Any portion ofthe hole.

ANSWER: (b)

Q. 4: For strengthenin¢5f the rock mass a fluid mixture of fine sand, cement and water is

Applied through nozzle ejecting at a high velocity is known as:

(a) Grouting

(b) Grunting

(c) Pasting

(d) Anchoring.

ANSWER: (b)

Q. 5: Rock bolting is very common in:

(a) Mining

(b) Tunneling

(c) Both mining and tunneling

(d) Reservoir construction.

ANSWER: (c)

Q.6. A piece of metal of specific gravity 7 floats in

mercury of picnic gravity 13.6. What fraction

of its volume is under mercury

(a) 0.5

(b) 0.4

(c) 0.515

(d) 0.5

 ANSWER: (c)

Q.7. A cylinder is kept on a horizontal boundary past

which an ideal fluid flows perpendicular to the

cylinder axis. It will experience

(a) No lift force

(b) Some lift force

(c) Lift force in vertically downward direction

(d) Lift force in vertically upward direction

ANSWER: (a)

Q.8. A critical depth meter is always associated with

(a) Surge

(b ) Water hammer

(c) Hydraulic jump

(d) Steep gradient

ANSWER: (c)

Q.9. Hammer blow in pipe occurs when

(a) Pipe bursts under high fluid pressure

(b) Excessive leakages occurs in pipe

(c) Flow of fluid through pipe is gradually

brought to rest by the closing of valve

(d) Flow of fluid through pipe is suddenly

brought to rest by the closing of the valve.

ANSWER: (c)

Q.10. In laminar flow

(a)    Experimentation is required for the simplest

flow cases

(b) Newton’s law of viscosity applies

(c) Fluid particles move in irregular and

haphazard paths

(c)    Viscosity is unimportant

ANSWER: (b)

Q.11. Dynamic viscosity of most of the gases with rise

in temperature

(a) Increases

(b) decreases

(c) Remains same

(d) Unpredictable

 ANSWER: (b)

Q.12. Choose the wrong statement

(a) Centre of buoyancy is located at the centre of gravity of the displaced liquid

(b) For stability of a submerged body, centre of gravity of body must lie directly below the centre

of buoyancy

(c) If c. g. and centre of buoyancy coincide, the submerged body must lie at neutral equilibrium

for all positions

(d) All floating bodies are stable.

ANSWER: (d)

Q. 13 :Which planets have retrograde rotation :

(a) Mercury and plato

(b) Venus and Uranus

(c) Saturn and mars

(d) Jupiter and Neptune

ANSWER:(b)

Q. 14 : Siderolites are :

(a) Iron meteorites

(b) Stony irons meteorites

(c) Stony meteorites

(d) Silicate meteorites.

ANSWER:(b)

Q. 15 :Variations in the abundances of hydrogen and helium in stars gives evidence that

(a) They are in same stages of their evolution

(b) They are in different stages of their evolution

(c) They are of same composition.

(d) They are much closer to each other.

ANSWER:(b)

Q. 16: lsobars are:

(a) Different elements with same atomic weight and neutrons number but different protons number.

(b) Different elements with thqsame 'atomic weight but different values of neutrons and protons.

(C) Different elements with same atomic weight neutrons number and protons number.

(d) Different element with different atomic weight but same values of nektons and protons. ,

ANSWER :(b)

Q. 17: Eclogites is a:

(a) Olivine rock

(b) Olivine and pyroxene rock

(c) Garnet and pyroxene rock

(d) Gamet and olivine rock

ANSWER :(c)

Q.18 : Hydrology encompasses the domains of :

a) Agronomy

b) Hydrology and Geohydrology.

c) Geomorphology.

d) All the above.

ANSWER: (d)

Q.19: Which one is known as “fossil water”?

a) Meteoric Water.

b) Connate Water.

c) Juvenile Water.

d) Plutonic Water.

ANSWER: (c)

Q.20: At all points on the water table the pressure is:

a) Hydrostatic.

b) Atmospheric.

c) Combination of hydrostatic and atmospheric.

d) Capillary. .

ANSWER: (b)

Q.21: Props are:

a) Mining methods.

b) Support between roof and floor in mine.

c) Type of lamps used in mine.

d) Type of drilling method.

Answer:(b)

Q.22: ANFO stands for:

a) Ammonium Nitrate for ore.

b) Ammonium Nitrate Fuel oil.

c) Ammonium Nitrogen Fuel oil.

d) Asiatic Native Fuel oil.

Answer:(b)

Q.23: The operation of levelling to determine the elevation between two points is known as:

(a) Differential levelling.

(b) Simple levelling.

(c) Fly levelling.

(d) Indirect levelling.

Answer. (a)

Q.24: Contours when unite together form a:

(a) Ridge.

(b) Valley.

(c) Cliff.

(d) Overhanging cliff.

Answer. (c)

Q.25: The contour internal is inversely proportional to the:

(a) Scale of the map.

(b) Steepness of the area.

(c) Extent of the area.

(d) All the above.

Answer. (b)