Engineering MCQ Quiz Hub

1. Pick up the cohesive soil from the following:
Red earth
Clay
Black cotton soil
Compacted ground.

2. Pile foundations are generally preferred to for
bridge foundations
sky scrapper buildings
residential buildings
runways.

3. The angle of internal friction of clays, is usually
0° to 5°
5° to 20°
20° to 30°
30° to 45°

4. The specific yield of soil depends upon
compaction of stratum
distribution of pores
shape and size of particles
all the above.

5. Pick up the correct statement from the following:
In hydrometer method, weight Wd per ml of suspension is found directly
In pipette analysis, weight Wd per ml of suspension is found indirectly
. In pipette analysis, weight Wd per ml of suspension is found directly
None of these.

6. Pick up the correct statement from the following:
Coefficient of compressibility is the decrease in void ratio per unit increase of pressure
The percent settlement at any time is called degree of consolidation
Time factor is a dimensionless quantity
All the above.

7. Loess' is silty clay formed by the action of
water
glacier
wind
gravitational force.

8. The maximum possible value nf dry density is referred to as
dry density
zero air voids
saturation dry density
all the above.

9. Failure of a slope occurs only when total shear force is
equal to total shearing strength
greater than total shearing strength
less than total shearing strength
none of these

10. Pick up the correct statement from the following:
A soil having pH value more than 7 is an acidic soil
. A soil having pH value less than 7 is an acidic soil
A soil having pH value more than 7 is an alkaline soil
A soil containing chemicals for the manufacture of portland cement is preferred.

11. Cohesionless soil is
sand
silt
clay
clay and silt.

12. The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide
down at the centre
down at the toe
upward at the centre
none of these.

13. The seepage exit gradient in a soil is the ratio of
total head to the length of seepage
flow line to slope
head upstream to that at downstream
none of these.

14. Sedimentation analysis is based on the assumption:
soil particles are spherical
particles settle independent of other particles
walls of the jar do not affect the settlement .
all the above.

15. The maximum pressure which a soil can carry without shear failure, is called
safe bearing capacity
net safe bearing capacity
net ultimate bearing capacity
ultimate bearing capacity.

16. For general engineering purposes, soils are classified by
particle size classification system
textural classification system
High Way Research Board (HRB), classification system
unified soil classification system.

17. If there is no impervious boundary at the bottom of a hydraulic structure, stream lines tend to follow :
a straight line
a parabola
a semi-ellipse
a semi-circle.

18. The change of moisture content of soils, changes the
value of the angle of repose
amount of compaction required
cohesive strength of soil
all the above.

19. A failure wedge develops if a retaining wall
moves away from the backfill
moves towards the backfill
sinks downwards
stresses equally by vertical and horizontal forces.

20. For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should be 30 to 75 cm square with a minimum thickness of
5 mm
10 mm
15 mm
25 mm