MCQ
221. 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
222. The ratio of volume of air voids to the volume of total voids, is known as-
Air content
Percentage air voids
Percentage voids
Porosity
223. 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
224. Failure of the stability of slopes, generally occurs along
Slip plane
A horizontal surface
A curved surface
All the surfaces
225. পার্শ্বস্থ চাপ ঠেস দেওয়ালে ভিত্তিতল হতে এর উচ্চতায় কত উপরে ক্রিয়া করে?
১/৪
১/২
১/৫
১/৩
226. যানবাহন চলাচলকালে এবাটমেন্টের ভরাটকৃত পাশে সৃষ্টি হয়-
সক্রিয় চাপ
নিশ্চেষ্ট চাপ
নিশ্চল চাপ
কোনটি নয়
227. 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
228. 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
229. Soils containing organic matters
Are of spongy nature
Swell with decrease of moisture
Shrink with increase of moisture content
None of these
230. 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
231. 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
232. 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
233. 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
234. নিচের কোন equation টি Unit Weigh of Solids?
γs = Ws/Vv
γs = Yd/Y
γs =Ws/Vs
γs=W/V
235. Sand এর Active earth pressure বের করার জন্য কোন equation টি ব্যবহৃত হয়?
1+sinφ/1-sinφ
1+cosφ/1-sinφ
1-sinφ/1+sinφ
1+ cosφ/+1-cosφ
236. যে দেয়াল বেকফিলকে আটকে রাখে তাকে বলা হয়-
প্রধান দেয়াল
প্রতিবন্ধক দেয়াল
ঠেস দেয়াল
কোনটি নয়
237. 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
238. The triaxial apparatus is usually used for
Unconsolidated-undrained test
Consolidated-undrained test
Drained test
All the above tests.
239. মৃত্তিকার চাপের সাথে ঠেস দেয়ালের স্থানচ্যুতির ওপর ভিত্তি করে মৃত্তিকার পার্শ্ব চাপ কত প্রকার?
৫ প্রকার
৪ প্রকার
৩ প্রকার
২ প্রকার
240. 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