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জিওটেকনিক্যাল ইঞ্জিনিয়ারিং MCQ
সিভিল ইঞ্জিনিয়ারিং এর "" জিওটেকনিক্যাল ইঞ্জিনিয়ারিং "" সাবজেক্টের সকল MCQ প্রশ্ন এই ফোল্ডারে পাবেন। Civil Engineering এর চাকরি প্রস্তুতির জন্য ডিপার্টমেন্ট ও নন-ডিপার্টমেন্টের সকল MCQ এর প্রশ্ন উত্তর ব্যাখ্যাসহ এখানে পাবেন। সহকারী/উপ-সহকারী প্রকৌশলী চাকরি প্রস্তুতির জন্য আমাদের App: Engineering Classroom গুগল প্লে-স্টোর থেকে ডাউনলোড করে নিন। Civil all MCQ, Civil Engineering MCQ
241. The ratio of the volume of air voids to the volume of voids, is called-
void ratio
air content
degree of saturation
porosity
242. The unit weight of a soil at zero air voids depends upon-
unit weight of water
water content
specific gravity
all of these
243. The soil transportated by running water is called-
aeolian soil
alluvial soil
marine soil
lacustrine soil
244. The ratio of the unit weight of soil solids to that of water is called-
void ratio
porosity
specific gravity
degree of saturation
245. The soil transported by wind is called-
aeolian soil
alluvial soil
marine soil
lacustrine soil
246. The bearing capacity of soil can be improved by-[BREB-15]
increasing the depth of footing
draining the sub-soil water
ramming the granular material like crushed stone in the soil
all of the above
ব্যাখ্যা: The following techniques can be used for improving bearing capacity of soil as per the site condition. (1) Increasing depth of foundation (i) Draining the soil (iii) Compacting the soil (iv) Confining the soil (v) Replacing the poor soil (vi) Using grouting material (vii) Stabilizing the soil with chemicals.
247. Which of the following is practically impermeable? [BREB-15]
Gravel
Sand mixture
Coarse sand
Clay
248. The maximum size of grains of silts is about-
0.06mm
0.5mm
0.2mm
1mm
249. Silt particle-এর সর্বনিম্ন Size কত? [MOCA-19]
0.002mm
0.02mm
0.001mm
1mm
ব্যাখ্যা: Silt particle-এর সাইজ হচ্ছে 0.002mm to 0.06mm 1
250. কোন ধরনের Soil-এর Angle of internal friction সবচেয়ে বেশি হবে? [MOCA-19]
Angular grained loose sand
Angular grained dense sand
Clay
Round grained dense sand
ব্যাখ্যা: যে Soil-এর Angle of internal friction বেশি, সে Soil-এর Shear stress বেশি।
251. Residual soils are-
sands
silts
clays
all of these
252. The specific gravity of a soil is the ratio of unit weight of soil solids to that of water at a temperature of-
4°
27°
17°
36°
253. The unit weight of soil mass is expressed in-
kg/m²
N/m²
kg/m³
kN/m³
254. The minimum size of grains of silts is about-
0.0002mm
0.02mm
0.002mm
0.2mm
255. The density of soil mass is expressed in-
kg/m²
N/m²
kg/m³
N/m³
256. Chemical weathering of soil is caused due to-
oxidation
hydration
carbonation & leaching
all of these
257. Soils are derived from..............rocks.
igneous
metamorphic
sedimentary
any one of these
258. When water content in a soil is reduced beyond the shrinkage limit, the soil will be in a- [BREB-15]
solid state
semi-solid state
liquid state
plastic state
259. Which of the following soil is transported by wind?
Talus
Drift
Loess
all of these
260. The approximate void ratio in sandy soils is-
0.2
0.8
0.6
1.2