暗記メーカー
ログイン
HPGE
  • Veramae Chavez

  • 問題数 78 • 3/2/2024

    記憶度

    完璧

    11

    覚えた

    30

    うろ覚え

    0

    苦手

    0

    未解答

    0

    アカウント登録して、解答結果を保存しよう

    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