IFS Previous Year Question Papers
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PREVIOUS YEARS QUESTION PAPERS
IFS Sample Question and Answer:
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.
Q. 2: The strength of the foundation rocks can be improved by:
(b) Rock bolting
(c) Cable anchorage
(d) All the above.
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 of the hole.
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:
Q. 5: Rock bolting is very common in:
(c) Both mining and tunneling
(d) Reservoir construction
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?
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
Q.8. A critical depth meter is always associated with
(b) Water hammer
(c) Hydraulic jump
(d) Steep gradient
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.
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
(d) Viscosity is unimportant
Q.11. Dynamic viscosity of most of the gases with rise in temperature
(c) Remains same
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.
Q. 13: Which planets have retrograde rotation?
(a) Mercury and Plato
(b) Venus and Uranus
(c) Saturn and mars
(d) Jupiter and Neptune
Q. 14: Siderolites are:
(a) Iron meteorites
(b) Stony irons meteorites
(c) Stony meteorites
(d) Silicate meteorites.
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.
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