Practice Test: Question Set - 03
1. During seepage through a soil, direction of seepage is always
- (A) Parallel
to equipotential lines
- (B) Perpendicular
to stream lines
- (C) Perpendicular
to equipotential lines
- (D) None
of these
2. The seepage force in a soil, is
- (A) Perpendicular
to the equipotential lines
- (B) Proportional
to the exit gradient
- (C) Proportional
to the head loss
- (D) All
the above
3. Pick up the correct statement from the following:
- (A) Coefficient
of compressibility is the decrease in void ratio per unit increase of pressure
- (B) The
percent settlement at any time is called degree of consolidation
- (C) Time
factor is a dimensionless quantity
- (D) All
the above
4. Direct measurement of permeability of the specimen at any stage of loading can be made
- (A) Only in fixed ring type consolidometer
- (B) Only in floating ring type consolidometer
- (C) Both (A) and (B)
- (D) None of the above
5. The property of a soil which allows it to be deformed rapidly without rupture, elastic rebound and also a volume change, is known
- (A) Porosity
- (B) Plasticity
- (C) Permeability
- (D) Ductility
6. Failure of the stability of slopes, generally occurs along
- (A) Slip
plane
- (B) A
horizontal surface
- (C) A curved
surface
- (D) All
the surfaces
7. The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide
- (A) Down
at the centre
- (B) Down
at the toe
- (C) Upward
at the centre
- (D) None
of these
8. With the increase in the amount of compaction energy
- (A) Optimum water content increases but maximum dry
density decreases
- (B) Optimum water content decreases but maximum dry
density increases
- (C) Both optimum water content and maximum dry density
increase
- (D) Both optimum water content and maximum dry density
decrease
9. Soils containing organic matters
- (A) Are
of spongy nature
- (B) Swell
with decrease of moisture
- (C) Shrink
with increase of moisture content
- (D) None
of these
10. Buoyant unit weight equals the saturated density
- (A) Multiplied
by unit weight of water
- (B) Divided
by unit weight of water
- (C) Plus
unit weight of water
- (D) Minus
unit weight of water
11. The change of moisture content of soils, changes the
- (A) Value of the
angle of repose
- (B) Amount
of compaction required
- (C) Cohesive
strength of soil
- (D) All the above
12. Skempton's pore pressure coefficient B for saturated soil is
- (A) 1
- (B) Zero
- (C) Between 0 and 1
- (D) Greater than 1
13. The density of soil can be increased
- (A) By
reducing the space occupied by air
- (B) By
elastic compression of soil grains
- (C) By
expelling water from pores
- (D) All
the above
14. Pick up the correct statement from the following:
- (A) Kaolinite
is most stable clay
- (B) Kaolinite
shows a very little sign of swelling on wetting
- (C) Kaolinite
is also called China clay
- (D) All
the above
15. Pick up the correct definition from the following:
- (A) The lateral
pressure exerted by the soil when the retaining wall moves away from the back
fill, is generally known as active earth pressure of the soil
- (B) The
lateral pressure exerted by the soil when the retaining wail moves towards the
soil, is generally known as 'Passive earth pressure of the soil
- (C) The
lateral pressure exerted by the soil when the retaining wall has no movement
relative to the back fill, is known as 'earth pressure at rest of the soil
- (D) All
the above
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