HPGE
問題一覧
1
The shear strength of the soil
increases with increase in normal stress
2
Triaxial shear test acts on what axis
all plane axis except x and y axis
3
In what plane is additional stress (deviator stress) can affect the shear stress
horizontal
4
What test is not performed in laboratory
vane test
5
ratio of weight of water to the weight of solid particles
water content
6
In AASHTO, soil greater than 75mm is classified as
cobbles
7
In 1.3 cNc + q Nq + 0.4 B Ny y, Nc, Nq and Ny are function of
angle of friction
8
Molecules of liquid get attracted to
surface tension
9
Where is the metacenter for stable equilibrium
above center of gravity
10
if the volume of voids equal to the volume of solids, what is the porosity and void ratio equal to respectively
0.5 and 1.0
11
the shear stress of cohesionless soil is
proportional to the tangent of the angle of shearing resistance
12
the intensity of vertical stress at a depth due to a point load acting on the surface of a semi infinite elastic soil mass is
directly proportional to the square of depth
13
when the metacenter of a floating body is lower than the center of gravity, then the body will be in
unstable equilibrium
14
the metacentric height is the distance between the
center of the gravity of the floating body and the metacenter
15
negative skin friction of piles
all of the above
16
specific weight of liquid
does not vary on any other planet
17
in civil engineering, soil is
uncemented aggregate
18
the weight per unit volume of a liquid at a standard temperature and pressure is called
specific weight
19
is an abrupt rise in water surface which results from retarding water flowing at lower stage
hydraulic jump
20
a branch of hydraulics which deals with the study of forces exerted by or upon liquids in motion
hydrodynamics
21
the most used property used in soil properties
void ratio
22
a device used to determine undrained shear strength of the soil which consists of four equal-sized thin steel plates welded to a steel torque rod.
shear vane
23
the safe capacity of piles driven by powered hammers is based on following data:
I. average penetration per blow, last 6 blows
II. energy of hammer
III. weight of hammer
IV. weight of pile, including appurtenances
V. coefficient of restitution depending on the weight of piles
all
24
what are the capacity req. for all scaffolding.
at least 4 times its own weight
25
section 302.2.2 of the NSCP provide that the slope to cut surfaces shall be no steeper than is safe for intended use and shall be no steeper than ......
1 to 2
26
a cohesive soil deposit is considered soft if the unconfined compression strength in kpa is between
24 to 48
27
it is a measure of materials ability to dissipate or deaden mechanical vibration
damping capacity
28
this drawing has elevation as it's vertical axis, and horizontal distance as measured along the centerline of facility, as it's horizontal axis
profile
29
if you are preparing a report on PERT CPM network,...... consider for preparation of the PERT CPM
all
30
it occurs after the completion of construction and resulotion of the majority of punchlist and commissioning issues
profile
31
because concrete is unable to maintain a particular shape before it sets, it must be placed in a form or mold,in building construction it is called...
formwork
32
a method of protecting workers from cave-ins by excavating the sides of an excavation to form one or a series
benching
33
when the path lines of the individual particles of a flowing liquid are irregular curves and continually cross each and form a complicated network, the flow is called..
turbulent
34
a line joining the points of highest elevation of water in a series of vertical open pipes rising from a pipeline in which water flows under pressure is referred to as...
hydraulic gradient
35
a pressure surge or wave caused when a fluid in motion is forced to stop or change direction suddenly (momentum change) ir referred to in hydraulics as
water hammer
36
the moisture content in which a soil will have a plastic consistency
plastic limit
37
the difference between the liquid and plastic limit of a soil mass
plasticity index
38
undisturbed, existing field conditions
in-situ
39
a graphical analysis of seepage flow in a mass of soil to estimate flow quantities and pore pressures
flow net
40
the sudden, large decrease of shear strength of cohesionless soil caused by collapse of the soil structure,
liquefaction
41
the difference between the axial and radial stresses of a triaxial test sample
deviator stress
42
for a flow net, lines connecting points of equal total head
equipotential lines
43
the hydraulic gradient at which effective stresses become zero. upward seepage
critical hydraulic gradient
44
the proportion of the volume of water to the volume of voids of agiven mass of soil
degree of saturation
45
Which soil property is most used in engineering
void ratio
46
A soil in which the particle sizes are distributed over a wide range is termed
well graded soil
47
The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known
liquid limit
48
When drainage is permitted under initially applied normal stress only and full primarily consolidation is allowed to take place, the test is known as
consolidated undrained test
49
The quantity of seepage of water through soils is proportional to
both a and b
50
The internal molecular attraction of a soil, the cohesion
is more in well compacted clays
51
The lateral earth pressure on a retaining wall
proportional to the internal friction of the soil
52
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
65%
53
The active earth pressure of a soil is proportional to (where φ is the angle of friction of the soil)
tan2 (45° - φ/2)
54
The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter, is known
plastic limit
55
Pick up the correct statement from the following
all
56
Which one of the following statements is true ?
all
57
Minimum size of the particles of silt soil, is
0.002 mm
58
The maximum value of effective stress in the past divided by the present value, is defined as over consolidation ratio (OCR). The O.C.R. of an over consolidated clay is
more than 1
59
If Nf, Nd and H are total number flow channels, total number of potential drops and total hydraulic head differences respectively, the discharge q through the complete flow is given by (where K is a constant)
q = KH (Nf/Nd)
60
A flow line makes angles θ1 and θ2 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
tan¥1/tan¥2 = k1/k2
61
Under-reamed piles are generally
bored piles
62
Pick up the clay soil group which does not swell when wet from the following :
Illite group
63
Factor of safety against sliding of a slope, is the ratio of
both a and b
64
The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known
void ratio
65
A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm3. If the specific gravity of soil particles and water are 2.7 and 1.0, the degree of saturation of the soil is
55.6%
66
According to Coulomb's wedge theory, the active earth pressure slides the wedge
down and upward on a slip surface
67
According to Coulomb's wedge theory, the active earth pressure slides the wedge
strain to stress
68
If the failure of a finite slope occurs through the toe, it is known as
toe failure
69
Rankine's theory of active earth pressure assumes
all
70
The water content of soil is defined as the ratio of
weight of water to weight of solids of given mass of soil.
71
Accurate determination of water content, is made by
oven-drying method
72
Stoke's law sates that the velocity at which a grain settles out of suspension, the other factors remaining constant, is dependent upon
shape, size and weight of grain.
73
Pick up the correct statement from the following:
When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used
74
Pick up the correct statement from the following :
all
75
The liquid limit and plastic limit exist in
clay soils
76
Pick up the correct statement from the following:
Silty clayloam contains highest percentage of silt
77
The clay soil mainly consists of
all
78
The liquidity index is defined as a ratio expressed as percentage of
natural water content minus its plastic limit to its plasticity index
問題一覧
1
The shear strength of the soil
increases with increase in normal stress
2
Triaxial shear test acts on what axis
all plane axis except x and y axis
3
In what plane is additional stress (deviator stress) can affect the shear stress
horizontal
4
What test is not performed in laboratory
vane test
5
ratio of weight of water to the weight of solid particles
water content
6
In AASHTO, soil greater than 75mm is classified as
cobbles
7
In 1.3 cNc + q Nq + 0.4 B Ny y, Nc, Nq and Ny are function of
angle of friction
8
Molecules of liquid get attracted to
surface tension
9
Where is the metacenter for stable equilibrium
above center of gravity
10
if the volume of voids equal to the volume of solids, what is the porosity and void ratio equal to respectively
0.5 and 1.0
11
the shear stress of cohesionless soil is
proportional to the tangent of the angle of shearing resistance
12
the intensity of vertical stress at a depth due to a point load acting on the surface of a semi infinite elastic soil mass is
directly proportional to the square of depth
13
when the metacenter of a floating body is lower than the center of gravity, then the body will be in
unstable equilibrium
14
the metacentric height is the distance between the
center of the gravity of the floating body and the metacenter
15
negative skin friction of piles
all of the above
16
specific weight of liquid
does not vary on any other planet
17
in civil engineering, soil is
uncemented aggregate
18
the weight per unit volume of a liquid at a standard temperature and pressure is called
specific weight
19
is an abrupt rise in water surface which results from retarding water flowing at lower stage
hydraulic jump
20
a branch of hydraulics which deals with the study of forces exerted by or upon liquids in motion
hydrodynamics
21
the most used property used in soil properties
void ratio
22
a device used to determine undrained shear strength of the soil which consists of four equal-sized thin steel plates welded to a steel torque rod.
shear vane
23
the safe capacity of piles driven by powered hammers is based on following data:
I. average penetration per blow, last 6 blows
II. energy of hammer
III. weight of hammer
IV. weight of pile, including appurtenances
V. coefficient of restitution depending on the weight of piles
all
24
what are the capacity req. for all scaffolding.
at least 4 times its own weight
25
section 302.2.2 of the NSCP provide that the slope to cut surfaces shall be no steeper than is safe for intended use and shall be no steeper than ......
1 to 2
26
a cohesive soil deposit is considered soft if the unconfined compression strength in kpa is between
24 to 48
27
it is a measure of materials ability to dissipate or deaden mechanical vibration
damping capacity
28
this drawing has elevation as it's vertical axis, and horizontal distance as measured along the centerline of facility, as it's horizontal axis
profile
29
if you are preparing a report on PERT CPM network,...... consider for preparation of the PERT CPM
all
30
it occurs after the completion of construction and resulotion of the majority of punchlist and commissioning issues
profile
31
because concrete is unable to maintain a particular shape before it sets, it must be placed in a form or mold,in building construction it is called...
formwork
32
a method of protecting workers from cave-ins by excavating the sides of an excavation to form one or a series
benching
33
when the path lines of the individual particles of a flowing liquid are irregular curves and continually cross each and form a complicated network, the flow is called..
turbulent
34
a line joining the points of highest elevation of water in a series of vertical open pipes rising from a pipeline in which water flows under pressure is referred to as...
hydraulic gradient
35
a pressure surge or wave caused when a fluid in motion is forced to stop or change direction suddenly (momentum change) ir referred to in hydraulics as
water hammer
36
the moisture content in which a soil will have a plastic consistency
plastic limit
37
the difference between the liquid and plastic limit of a soil mass
plasticity index
38
undisturbed, existing field conditions
in-situ
39
a graphical analysis of seepage flow in a mass of soil to estimate flow quantities and pore pressures
flow net
40
the sudden, large decrease of shear strength of cohesionless soil caused by collapse of the soil structure,
liquefaction
41
the difference between the axial and radial stresses of a triaxial test sample
deviator stress
42
for a flow net, lines connecting points of equal total head
equipotential lines
43
the hydraulic gradient at which effective stresses become zero. upward seepage
critical hydraulic gradient
44
the proportion of the volume of water to the volume of voids of agiven mass of soil
degree of saturation
45
Which soil property is most used in engineering
void ratio
46
A soil in which the particle sizes are distributed over a wide range is termed
well graded soil
47
The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known
liquid limit
48
When drainage is permitted under initially applied normal stress only and full primarily consolidation is allowed to take place, the test is known as
consolidated undrained test
49
The quantity of seepage of water through soils is proportional to
both a and b
50
The internal molecular attraction of a soil, the cohesion
is more in well compacted clays
51
The lateral earth pressure on a retaining wall
proportional to the internal friction of the soil
52
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
65%
53
The active earth pressure of a soil is proportional to (where φ is the angle of friction of the soil)
tan2 (45° - φ/2)
54
The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter, is known
plastic limit
55
Pick up the correct statement from the following
all
56
Which one of the following statements is true ?
all
57
Minimum size of the particles of silt soil, is
0.002 mm
58
The maximum value of effective stress in the past divided by the present value, is defined as over consolidation ratio (OCR). The O.C.R. of an over consolidated clay is
more than 1
59
If Nf, Nd and H are total number flow channels, total number of potential drops and total hydraulic head differences respectively, the discharge q through the complete flow is given by (where K is a constant)
q = KH (Nf/Nd)
60
A flow line makes angles θ1 and θ2 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
tan¥1/tan¥2 = k1/k2
61
Under-reamed piles are generally
bored piles
62
Pick up the clay soil group which does not swell when wet from the following :
Illite group
63
Factor of safety against sliding of a slope, is the ratio of
both a and b
64
The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known
void ratio
65
A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm3. If the specific gravity of soil particles and water are 2.7 and 1.0, the degree of saturation of the soil is
55.6%
66
According to Coulomb's wedge theory, the active earth pressure slides the wedge
down and upward on a slip surface
67
According to Coulomb's wedge theory, the active earth pressure slides the wedge
strain to stress
68
If the failure of a finite slope occurs through the toe, it is known as
toe failure
69
Rankine's theory of active earth pressure assumes
all
70
The water content of soil is defined as the ratio of
weight of water to weight of solids of given mass of soil.
71
Accurate determination of water content, is made by
oven-drying method
72
Stoke's law sates that the velocity at which a grain settles out of suspension, the other factors remaining constant, is dependent upon
shape, size and weight of grain.
73
Pick up the correct statement from the following:
When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used
74
Pick up the correct statement from the following :
all
75
The liquid limit and plastic limit exist in
clay soils
76
Pick up the correct statement from the following:
Silty clayloam contains highest percentage of silt
77
The clay soil mainly consists of
all
78
The liquidity index is defined as a ratio expressed as percentage of
natural water content minus its plastic limit to its plasticity index