MCQ
1661.
In a purely cohesive soil, the critical centre lies at the intersection of
Perpendicular bisector of slope and the locus of the centre
Perpendicular drawn at 1/3rd slope from toe and the locus of the centre
Perpendicular drawn at 2/3rd slope from toe and the locus of the centre
Directional angles
1662.
The Mohr's straight theory is based on the following fact:
Material fails essentially by shear
Ultimate strength of the material is determined by the stress in the plane of slip
Failure criterion is independent of the intermediate principal stress
All the above
1663.
Select the incorrect statement.
Effective cohesion of a soil can never have a negative value.
Effective angle of internal friction for coarse grained soils is rarely below 30".
Effective angle of internal friction for a soil increases as state of compactness increases.
Effective angle of internal friction is a complicated function of mineralogy and clay size content.
1664.
1 2 with the normal to the interface of the soils having permeabilities k1, k2 before and after deflection. According to the law of deflection of the flow lines at the interface of the dissimilar soils
12=k1/k2
12=k1/k2
12=k1/k2
21=k1/k2
1665.
The pile transfers load as a pier is-MES
Floating pile
Friction pile
Bearing pile
Batter pile
Civil MCQ
ফাউন্ডেশন ইঞ্জিনিয়ারিং
Civil Department all mcq
Foundation Engineering mcq
চাকুরির বিগত সালের সকল প্রশ্ন
ব্যাখ্যা: A bearing pile is a column to transmit the load of the building through a layer of soil too weak to take the load to a stronger layer of soil some distance underground.
1666.
The critical exist gradient of seepage water in soils, increases with
An increase in specific gravity
A decrease in specific gravity
A decrease in void ratio
Both (a) and (c)
1667.
Shallow tube wall can pump water from a depth of -
20-25 m
45-55 m
40-50m
50-60m
1668.
Rankine's theory of earth pressure assumes that the back of the wall is
Plane and smooth
Plane and rough
Vertical and smooth
Vertical and rough Answer- C
1669.
The open wells or dug weels are also known as-
shallow wells
draw wells
percolation wells
all of those
1670.
The consolidation time for soils
Increases with increasing compressibility.
Decreases with increasing permeability
Increases rapidly with increasing size of soil mass
All the above
1671.
The ratio of the weight of water to the weight of solids in a given mass of soil, is known
Porosity
Specific gravity
Void ratio
Water content
1672.
In a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit of the soil, is
35%
50%
65%
None of these
1673.
Which pile acts as retaining wall?
Anchor pile
Felder pile
Sheet pile
Batter pile
Civil MCQ
ফাউন্ডেশন ইঞ্জিনিয়ারিং
Civil Department all mcq
Foundation Engineering mcq
চাকুরির বিগত সালের সকল প্রশ্ন
ব্যাখ্যা: Pile wall relining wall constructed to retain carth, water or any other filling materials.
1674.
Coefficient of compressibility is
Constant for any type of soil
Different for different types of soils and also different for a soil under different states of consolidation
Different for different types of soils but same for a soil under different states of consolidation
Independent of type of soil but depends on the stress history of soil
1675.
A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m² when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45". The values of cohesion and angle of internal friction for the soil are respectively
0.5 N/mm² and 30°
0.05 N/mm² and 0"
0.2 N/mm² and 0"
0.05 N/mm² and 45"
1676.
The pressure that builds up in pore water due to load increment on the soil, is termed
Excess pore pressure
Excess hydrostatic pressure
Hydrodynamic pressure
All the above
1677.
If is specific gravity of sand particles, is porosity, the critically hydraulic gradient
ic (G+1)/(1-e)
ic (G+1)/(1+e)
ic(G-1)/(1+e)
ic = (G-1)/(1-e)
1678.
The weight of a container is and that of container with soil simple, is. If the weight of the container and oven dried soil sample is W3, the moisture content of the soil, is
[(-W3)/(W3-)) x 100
[(W3-)/(-)] × 100
[(-)/(-W3)) x 100
[(-)/(-W3)) x 100
1679.
The quantity of seepage of water through soils is proportional to
Coefficient of permeability of soil
Total head loss through the soil
Neither (a) nor (b)
Both (a) and (b)
1680.
The shear resistance of a soil is constituted basically of the following component.
The frictional resistance to translocation between the individual soil particles at their contact point
To the structural relation to displacement of the soil because of the interlocking of the particles
Cohesion and adhesion between the surfaces of the soil particles
All the above