MCQ
3341. Coefficient of permeability of soil
Does not depend upon temperature
Increases with the increase in temperature
Increases with the decrease in temperature
None of the above
3342. Soils containing organic matters
Are of spongy nature
Swell with decrease of moisture
Shrink with increase of moisture content
None of these
3343. নিচের কোন equation টি Unit Weigh of Solids?
γs = Ws/Vv
γs = Yd/Y
γs =Ws/Vs
γs=W/V
3344. 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
3345. The triaxial apparatus is usually used for
Unconsolidated-undrained test
Consolidated-undrained test
Drained test
All the above tests.
3346. পার্শ্বস্থ চাপ ঠেস দেওয়ালে ভিত্তিতল হতে এর উচ্চতায় কত উপরে ক্রিয়া করে?
১/৪
১/২
১/৫
১/৩
3347. During seepage through a soil, direction of seepage is always
Parallel to equipotential lines
Perpendicular to stream lines
Perpendicular to equipotential lines
None of these
3348. The density of soil can be increased
By reducing the space occupied by air
By elastic compression of soil grains
By expelling water from pores
All the above
3349. Buoyant unit weight equals the saturated density
Multiplied by unit weight of water
Divided by unit weight of water
Plus unit weight of water
Minus unit weight of water
3350. The ratio of volume of air voids to the volume of total voids, is known as-
Air content
Percentage air voids
Percentage voids
Porosity
3351. With the increase in the amount of compaction energy-
Optimum water content increases but maximum dry density decreases
Optimum water content decreases but maximum dry density increases
Both optimum water content and maximum dry density increase
Both optimum water content and maximum dry density decrease
3352. Failure of the stability of slopes, generally occurs along
Slip plane
A horizontal surface
A curved surface
All the surfaces
3353. The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide
A Down at the centre
Down at the toe
Upward at the centre
None of these
3354. Pick up the correct statement from the following:
Kaolinite is most stable clay
Kaolinite shows a very little sign of swelling on wetting
Kaolinite is also called China clay
All the above
3355. Direct measurement of permeability of the specimen at any stage of loading can be made
Only in fixed ring type consolidometer
Only in floating ring type consolidometer
Both (A) and (B)
None of the above
3356. Pick up the correct statement from the following:
In soils, the flow index indicates variation in shear strength with water content
Liquid limit minus plastic limit, is known as plasticity index of the soil
Plastic limit minus shrinkage limit, is known as shrinkage index of the soil
All the above
3357. Which one of the following clays behaves like a dense sand?
Over-consolidated clay with a high over- consolidation ratio
Over-consolidated clay with a low over- consolidation ratio
Normally consolidated clay
Under-consolidated clay
3358. 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
3359. The property of a soil which allows it to be deformed rapidly without rupture, elastic rebound and also a volume change, is known
Porosity
Plasticity
Permeability
Ductility
3360. Skempton's pore pressure coefficient B for saturated soil is
1
Zero
Between 0 and 1
Greater than 1