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  • Buan Jared Austin B.

  • 問題数 71 • 9/27/2023

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    問題一覧

  • 1

    A fluid property that measures the fluid's resistance to shear stress

    Viscosity

  • 2

    Which component of rock or soil is independent of inter particle friction?

    cohesion

  • 3

    A flow in which the velocity of the fluid at a particular fixed point does not change with time

    Steady flow

  • 4

    What type of soil having fraction passing the No. 200 sieve under AASHTO?

    Silt and Clay

  • 5

    What type of soil having fraction passing the 75 mm sieve and retained on the No. 10

    Gravel

  • 6

    At what temperature ('C) at which liquid has the highest density?

    4

  • 7

    in AASTHO, solid greater than 75 mm is classified as:

    Cobbles

  • 8

    Type of soil where the fine fractions have plasticity index of 10 or less

    Silty

  • 9

    What test is not performed in laboratory?

    Vane test

  • 10

    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

  • 11

    Specific weight of liquid____

    Does not vary on the other planet

  • 12

    what is the classification of soil having particle size < 0.075

    Silt and clay

  • 13

    When the ship's metacenter and center of gravity coincide at same point then the vessel is said to be in:

    Neutral equilibrium

  • 14

    What type of soil having fraction passing No. 10 (2 mm) sieve and retained on the No. 200 ( 0.075)

    Sand

  • 15

    Which of the following is not a unit of pressure?

    Kn-m

  • 16

    which of the following does not affect the settlement of a footing?

    none of these

  • 17

    One of the following foundation conditions does not affect the bearing capacity of the supporting soil

    Position of ground water table

  • 18

    Soil particles having particular size limits from 2 mm to 0.05 mm in diameter under USDA

    Sand

  • 19

    Trial axial shear test acts on what axis?

    All plane axis except x and y axis

  • 20

    The shear strength of a soil:

    Increases with increase in normal stress

  • 21

    The pressure on any surface always acts:

    normal to the surface

  • 22

    what is the classification of soil having particle sizes from 2 to 0.075

    Sand

  • 23

    The ratio between the volume of water and thw volume of the soil mass

    Degree os saturation

  • 24

    A line joining the points of highest elevation of water in a series of vertical open pipes rising a pipeline in which water flows under pressure is referred to as

    hydraulic gradient

  • 25

    The metacentric height is the distance between the

    Center of the gravity of the floating body and the metacenter

  • 26

    A pressure surge or wave caused when a fluid in motion is forced to stop or change direction suddenly (momentum change) is referred to in hydraulics as:

    water hammer

  • 27

    Approximately how many times is the pressure of mercury greater than the pressure exerted by water?

    13.6

  • 28

    Soil having size larger than 75 mm

    Boulders and cobbles

  • 29

    The vena contracta of a circular orifice is approximately ___ diameter downstream from the inner face of the orifice plate

    1/2

  • 30

    Molecules of liquid gets attracted to____

    Surface tension

  • 31

    In a bakery,

    967

  • 32

    When a tank of water is subjected to a vertical acceleration, the water surface will:

    remain horizontal

  • 33

    A pressure surge or wave caused when a fluid in motion is forced to stop or change direction suddenly (momentum change) is referred to in hydraulics as

    Water hammer

  • 34

    A pile of sand keeps from spreading out like a liquid because of the weight of the sand keeps the grains stuck together in their current arrangement, mostly out of static friction. this weight and pressure is called.

    effective stress

  • 35

    The elastic tendency of liquids which makes them acquire the least surface area possible. It is responsible, for example, when an object or insect such as mosquitoes that is denser than water is able to float or run along the water surface.

    Surface tension

  • 36

    When the path lines of the individual particles of a following liquid are irregular curves and continually cross each other and form a complicated network, the flow is called:

    Turbulent

  • 37

    A practice or procedure used to assess the particle size distribution (also called gradation) of a granular material. The size distribution is often of critical importance to the way the material perform in use.

    sieve analysis

  • 38

    Type of soil where the fractions have plasticity index of 11 or more

    Clayey

  • 39

    In civil engineering, soil is

    uncemented aggregate

  • 40

    Where is the metacenter for stable equilibrium?

    Above center of gravity

  • 41

    What is the classification of soil having particles sizes <0.002

    Clay

  • 42

    The porosity of soil can be grater than 1

    false

  • 43

    If the volume of voids is equal to the volume of solids, what is the porosity and void ratio equal to respectively?

    0.5 and 1

  • 44

    A phenomenon in which the strength and stiffness of a soil is reduced by earthquake shaking or other rapid loading

    liquefaction

  • 45

    The shear strength of a cohisionless soil is:

    Proportional to the tangent of the angle of shearing resistance

  • 46

    1.3Cnc+qNq+0.4BnyY... are function of?

    Angle of friction

  • 47

    Classifitions of soil under AASHTO where P.I < LL - 30

    A-7-5

  • 48

    which of the following is not a soil component?

    gas

  • 49

    What is the classification of soil having particles sizes from 76.2 to 2 mm

    Gravel

  • 50

    Solid void ration can be greater than 1

    true

  • 51

    Soil particles having particular size limits feom 0.05 mm to 0.002 mm in diameter under USDA

    Silt

  • 52

    A cohesive soil deposit is considered soft if the unconfined compression strength, in Kpa, is between

    25-50

  • 53

    What is the classification of soil having particles sizes from 0.075 to 0.002

    Silt

  • 54

    The weight per unit volume of a liquid at a standard temperature and pressure is called

    Specific weight

  • 55

    When the metacenter of a floating body is lower than the center of gravity, then the body will be in:

    Unstable equilibrium

  • 56

    A ship, with vertical sides near the water line , weighs 40 MN and draws 6.7 m in salt water (s.gr= 1.026). Discharge of 2 MN of water ballast decreases the draft to 6.4m. what would the draft d of the ship in fresh water?

    6.548

  • 57

    In vectors, normal means:

    perpendicular

  • 58

    Negative skin friction on piles

    All of the above

  • 59

    In what plane is the additional stress (deviator stress) can affect the shear stress?

    Horizontal

  • 60

    A cohesive soil deposit is considered stiff if the unconfined compression strength, in Kpa, is between

    100-200

  • 61

    Classifitions of soil under AASHTO where P.I > LL - 30

    A-7-6

  • 62

    Which of the following is NOT a characteristics of a cohesionless soil.

    Practically impermeable

  • 63

    If the ground water table in a soil formation rises a resulting of flooding, the bearing capacity of the soil

    decreases

  • 64

    The ration between the weight of the water and the weight of solid particles

    Moisture content

  • 65

    A cohesive soil deposit is considered very soft if the unconfined compression strength, in Kpa, is between

    0-25

  • 66

    According to USCS, what do you call a soil grain size grater than 4.75 mm but less than 75 mm?

    gravel

  • 67

    The pressure above atmosphere is called:

    gage pressure

  • 68

    Atterberg limit tests is done on aggregates that pass through what sieve size?

    40

  • 69

    Soil particles having particular size limitsmaller than 0.002 mm in diameter under USDA

    Clay

  • 70

    The ratio between the volume of voids and the volume of the soil mass

    Void ratio

  • 71

    Into a bakery dough mixing...

    3.68