জিওটেকনিক্যাল ইঞ্জিনিয়ারিং MCQ
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261. The relation between porosity N and void ratio(e) is given by- [MOCA-19]
n=(1+e)/e
n=e/(1+e)
e=n/(1-n)
e=(1-n)/n
262. The ratio of the volume of voids to the total volume of soil mass is called- [MOD-20]
water content ration
void ratio
porosity
degree of saturation
263. The effective size of a soil is-[MES-16]
D10
D20
D40
D60
264. Water content of soil can- [HED-19]
never be greater than 100%
be less than 50%
from 0 to 100%
be greater than 100%
265. Water content = 15%, Sp. gravity = 2.5, Void ratio = 0.5, Degree of Saturation =? [MOLE-19]
75%
50%
60%
80%
266. The maximum size of the particles of clay is about- [MOCA-19]
0.0002mm
0.02mm
0.002mm
0.2mm
267. The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called- [HED-19]
Density of liquid
Specific gravity of liquid
Compressibility of liquid
Surface tension of liquid
268. Void ratio (e) is-. [MES-16]
Vv/V
Vv/Vs
Vs/V
V/Vs
269. The uniformity coefficient of soil is defined as the ratio of-[MOCA-19]
D40 to D10
D40 to D20
D50 to D10
D60 to D10
270. Standard Penetration Test (SPT) tube length- [MES-16]
6"
18"
12"
24"
271. When a cohesionless soil attains quick condition, it looses- [HED-19]
Shear strength
Bearing capacity
Both a and b
Neither a and b
272. ১৭৫। The property of the soil mass which permits the seepage of water through its interconnecting voids, called- [BREB-15]
capillarity
porosity
permeability
none of these
273. The unit weight of soil mass is also called- [MOCA-19]
dry density
bulk density
mass specific gravity
bulk specific gravity
274. The degree of saturation for fully saturated soil is- [MOCA-19]
0.25
0.75
1
0.50
275. Uniformity coefficient of a soil is [HED-19]
equal to or greater than 1
equal to 1
equal to or less than 1
none of these
276. IF SPT of clayey soil is 2 then the soil is - [MES-16]
Soft
Hard
Medium
Stiff
277. Capillary rise will be greater in [BGFCL-17]
gravel
fine sand
silt
coarse
278. The SG of sandy soil is- [BREB-15, MOCA-19]
1.2
2.2
1.8
2.7
279. A soil consolidated under the existing over-burden pressure, is called- [HED-19]
Pre-consolidated
Over-consolidated
Normally consolidated
None of these
280. The property of a soil which is of great importance in finding settlement of structures. is- [BREB-15]
permeability
shear strength
consolidation
compressibility